one mark robotic question

7/29/2019 One Mark Robotic Question

1/108

INTRODUCTION TO ROBOTICS

One mark questions.

1.The czech word Robota meaning .

a.forced labour

b.slaves

c.mechanical manipulator

d.humanoid

Answer.a~end~


2/108

2.The term robotics was coined by .

a. Karel Capekb. Issac Asimov

c. Rossum

d. Miller

Answer.b

~end~

3.The robot can reliev humAnswer of the need to

perform what have been called 4D jobs, , , .

a. dirty,dangerous,different,difficult

b. dull,duty,deep,different

c. dull, dirty, dangerous, difficultd. dull,difficult,different,deep

Answer. C


3/108

~end~

4.The basic configurations of robots are .

a. rectangular

b. sphereical

c. rectangular,sphereical , cartesian, cylindrical

configurationsd. cartesian, cylindrical configurations, polar

configurations, articulated configurations

Answer.d

~end~

5.The end point of the arm is capable of operating in

a cuboid space is

called .


4/108

a. workspace

b. Machine cell

c. configuration

d. none

Answer.a

~end~

6.The workspace of cartesian configuration is

.

a. cylindricalb. gantry

c. polar

d. articulated

Answer.b

~end~

7.The term robot was derived from_____languages.


5/108

a. English

b. czech

c. greekd. latin

Answer. b

~end~

8. The word robot was introduced in Czech play

wright______ in his play

R.U.R.

a.Karel capek

b. Rossumc.issac asimor

d.miller

Answer. a

~end ~

9. The term robotics was comed by_____in his

science fictim story


6/108

Run around

a.karel capek

b.rossemc.issac asimor

d.miller

Answer .c

~end~

10. The robot were introduced to industry by_______

a.karel capek

b.rossem

c.issac asimord.miller

Answer. d

~end~

11. The law of robotics established by_____

a.karel capek


7/108

b.rossem

c.issak asimor

d.miller

Answer.c

~end~

12. The first robotics had been introduced by in

the____ industry

a.automotive

b.process

c.mining

d.space

Answer.a

~end~


8/108

13.The two perpendicular revolute joint used in

configuration.

a. polar

b. cylindrical

c. articulated

d. gantry

Answer.b

~end~

14.The arrangement of joints is known as RRP

configuration is .

a. gantry

b. polar


9/108

c. articulated

d. cylindrical

Answer.b

~end~

15.The selective complaints on assembly robots arm

are called as .

a. scara

b. puma

c. stand fordd. none

Answer.a

16.The wrist motion in a plane perpendicular to theend of the arm is

called .


10/108

a. roll

b. pitchc. yaw

d. none

Answer.a

~end~

17.The wrist motion in a vertical plane passing

through the arm is

called .

a. pitch

b. yaw

c. roll

d. none

Answer.a


11/108

~end~

18.The wrist motion in a horizontal plane passing

through the arm is

called .

a. pitch

b. roll

c. yaw

d. none

Answer.c

~end~

19.The first generation robot capable .

a. programmable

b. environment understand capability


12/108

c. intelligency

d. none

Answer. a

20.The robot embedded with the artificial intelligence

classified into .

a. first generation

b. Second generation

c. Third generation

d. Fifth generation

Answer.c

~end~

21.An artificial biological robot might provide theimpetus for .


13/108

a. third generation

b. fourth generation

c. fifth generation

d. 6th& higher generation

Answer.

~end~

22.The excellent mechanical flexibility can obtain

from manipulator structure.

a. articulated robotb. cylindrical robot

c. scara robot

d. pick&place robot

Answer.

~end~


14/108

23. Spine robot used for application.

a. paintingb. assembly

c. deburring

d. welding

Answer.a

~end~

24.Robot teaching methods are .

a. lead through teaching

b. teaching through teach pendant

c. programming language

d. all the above

Answer.d

~end~


15/108

25.Highly load carrying capacity can be obtained

from .

a. special robot

b. architectural robot

c. cylindrical robot

d. scara robot

Answer.c

~end~

26.Highly rigid along vertical direction capability can

be obtained from .

a. special robot

b. architectural ronotc. cylindrical robot

d. scara robot


16/108

Answer.d

~end~

27.Scara robot used for application.

a. paintingb. assembly

c. deburing

d. welding

Answer.b

~end~

28.In a 3D space a co-ordinate frame is set of 3

orthogonal right handed axis X,Y,Z is Called.

a. principal axis


17/108

b. common axis

c. normal axis

d. none

Answer.a

~end~

29.The position of links in a space and their motion

are described

by geometry .

a. spatialb. manipulator

c. space

d. none

Answer.b


18/108

30.Angular grippers has angular stroke

degrees of open and gripping size.

a. 270

b. 180

c. 90

d. 60

Answer.b

~end~

31.In grippers equipped with to control grippingforce is used is sensor.

a. tactile

b. load cell

c. LVDTd. RFID

Answer.a


19/108

2. COORDINATE FRAMES, MAPPING &

TRANSFROMS

1.The changing description of point in a space fromone frame to another is refer to .

a. eular angles

b. rotation of vectors

c. mapping

d. none

Answer.a

~end~

2.The representation of rotation in a 3D space has

matrix.

a. 3*1b. 3*3

c. 1*3

d. 1


20/108

Answer.b

~end~

3. The representation of translation in a 3D space has

matrix.

a. 3*1

b. 3*3

c. 1*3

d. none

Answer.a

~end~

4.The 4*4 transformation matrix in robot is called

.

a. homogenous transformation matrix

b. homogeneous co-ordinates matrix


21/108

c. scale factor matrix

d. perspective transformation matrix

Answer.a

~end~

5.Scale factor in robot .

a. two

b. three

c. one

d. +/-

Answer.

~end~

6. R


22/108

a. transformation matrix

b. homogenous transformation matrixc. perspective transformation matrix

d. none

Answer.cperspective transformation matrix

~end~

7.The scale factor has non-zero positive values and is

called .

a. global sacling parameter

b. enlarging factor

c. reducing factor

d. none

Answer.a

~end~


23/108

8.The robotics scale factor value is .

a. 1

c. =1

d. >-1

Answer.C

~end~

9.The rotation matrix has elements.

a. 3

b. 9

c. 8

d. 1

Answer.b


24/108

~end~

10.If in the rotation matrix has only 3 of the g

elements are independent the rotation matrix has

.

a. redudancy

b. singularityc. dexirity

d. none

Answer.a

~end~

11.The PUMA has revolute joint.

a.2

b.4


25/108

c. 6

d. 8

Answer.c

~end~

12.How many numbers of euler angles sets can beobtained?

a.12

b.36

c.24

d.3

Answer.c

~end~

DIRECT MANIPULATOR KINEMATICS

1.The spherical joint variables for 3 degrees of

freedom.


26/108

a. 1

b. 2

c. 3

d. 1 2 3

Answer.d

~end~

2.For pure translation linear link velocity can be

taking the time derivative of the homogeneous

transfer formation matrix became rotation matrixis .

a. varies

b. constant

c. zero

d. one

Answer.b


27/108

~end~

3.If robot link is prismatic R is the __________

i-1

a. it is different from R

i-1

0

b. it is same as R

i-1

c. both a&b

4.From robot forward kinematics you can find

.

a. target co-ordinates

b. length of each link

c. angles of each point


28/108

d. all the above

Answer.a

~end~

5.The position of any point it is in workspace can

obtained through .

a. forward kinematics

b. backward kinematics

c. inverse kinematics

d. none

Answer.a

~end~

6.In inverse kinematics we can find .


29/108

a. angles of each point

b. the length of each point

c. the angle each point

d. the position each point

Answer.a

~end~

7.Rotation around the z-axis is .

a.

b.

c .

d. none


30/108

Answer.c

~end~

8.The suction cups are used in grippers.

a. mechanicalb. vaccum

c. adjustive

d. magnetized

Answer.a

~end~

9.The situation of a position and an orientation are an

entity called as .

a. frame

b. link


31/108

c. joint

d. none

Answer.a

~end~

10.Consider the rotation about Z-axis by 90' the

matrix is .

a.

b.

c .


32/108

d .

Answer .

~end~

11.The representation of 3 set of rotations frames arecalled .

a. eular angles

b. transformation angle

c. translation angles

d. orientation angles

Answer.a

~end~

12. The sliding joints are called .


33/108

a. prismatic joint

b. revolute joint

c. lower pair joint

d. higher pair joint

Answer.a

13.The distance measured along a line i.e. mutually

perpendicular to both the axis in D-H notation is

called .

a. link length

b. link twist

c. link parameterd. joint variable

Answer.

~end~

14.R.R 2 link planar manipulation workspace =

__________


34/108

L2

L1

a.IR^2

b.circle (L1-L2. n circle (m1+m2.

c.o ecept if L1=L2

d.none

Answer.a

~end~

15. Reachable workspace = __________

L1 L2


35/108

a.IR^2


c.all the a,b,c

d.none

Answer.b

~end~

16.Dexterous workspace __________

L2

L1

a.IR^2


36/108


c.all the a,b,c

d.none

Answer.c

~end~

17. In which mathematical approach solving for

inverse kinematics for closed form__________

a.algebric

b.geometric

c.all three a,b,c

d.nuemerical

Answer.c


37/108

~end~

18.When 2 link manipulator is fully stretched out (or.

folded back (or. Itself __________

a.workspace boundary singularity

b.workspace interior

c.singular coagoguratian

d.none

Answer.a

~end~

19. The workspace interior singularities occur away

from space boundary __________

a. 2 revolute joints with collinear axis

b. 3 revolute joints with co-planar axis

c. 4 revolute joints with intersection at one point

d. All above


38/108

Answer.d

~end~

20.The ability of the robot to move freely in all

direction of the workspace __________

a. robot manipulability

b. quantitative measure of manipulatorc. end point sensitivity

d. robot control

Answer.a

~end~


39/108

4. INVERSE MANIPULATOR KINEMATICS

1. The definition for is the determination

of all possible and feasible sets of joint variables,

which would achieve the specified position and

orientation of the manipulators end effector with

respect to the base frame.

a. inverse kinematics

b. forward kinematics

c. indirect kinematics

d. none

Answer.a

~end~

2.The six components can be represented by six

dimensional space

called .


40/108

a. Cartesian space

b. joint space

c. cylindrical space

d. spherical space

Answer.

~end~

3. The region that can be reached by the origin of the

end effector frame with at lest one orientation is

called .

a. Reachable workspace

b. manipulators workspace

c. dexterous workspace

d. none

Answer.a

~end~


41/108

4. The space where is end effector can reach every

point from all orientation is called .

a. Reachable workspace

b. manipulators workspace

c. dexterous workspace

d. none

Answer.c

~end~

5. How many solution it can be obtained by two link

robot

a. no solution

b. single solutionc. two solution

d.


42/108

Answer.

6. The two approaches to the solution to the inverse

problem .

a. closed form

b. numerical solution

c. Both a & bd. none

Answer .

7. Closed form solution method based on .

a. analytical algebraic approachb. differential approach

c. vector approach

d. none


43/108

8.A sufficient condition for six degrees of freedom

manipulator to posses a close form solution is thateither its consective joint axis .

a. parallel

b. intersect

c. Both a & b

d. none

Answer.

~end~

9. The robot have existence of solution in dexterous

workspace it has __________

a.position & orientation

b. position solution

c. closed form solution


44/108

d.numerical solution

Answer.a

~end~

10.The number of solution for the inverse kinematics

problem of the given 6 degrees of freedom

manipulation arm is __________

a.6

b.3

c.4

d.none

Answer.c

~end~

11. The direct Q inverse kinematic models were

establish the relationship between the

manipulators __________

a.Joint displacements Q position & orientation of end

effecter

b.Link displacement


45/108

c.Position & orientation of end effector

d.All

Answer.a

~end~

12.The ability of the robot to move freely in all

direction of the workspace __________

a. robot manipulability

b. quantitative measure of manipulator

c. end point sensitivity

d. robot control

Answer.a


46/108

5. MANIPULATOR DYNAMICS

1.The study both velocity and static force leads to

matrix entity called .

a. jacopian manipulator

b. Cartesian manipulator

c. dexterous manipulatord. cylindrical manipulator

Answer.a

2.A manipulators with more DOF with necessary arecalled . manipulators.

a. Cartesian manipulator

b. cylindrical manipulator

c. kinematically manipulatord. dexterous manipulator

Answer.c


47/108

3. The jacobian matrix defines the link between theend effectors velocities & joint velocities by

__________ matrix

a.6*6

b.6*N

c.4*4d.6*4

Answer.b

~end~

4. The tool tip trajectory can obtain the velocities one

time __________ matrix

a. Jacobean matrix

b. Orientation matrix

c. Position matrix

d. None

Answer.a

~end~


48/108

5.The example of redundant manipulator is

.

a. cartesian

b. SCARA

c. cylindricald. spherical

Answer.

~end~

6.PUMA 560 has __________ singularity

a. two

b. three

c. six

d. none

Answer.a

~end~


49/108

7. In which manipulator have added flexibility for

useful to avoiding obstacles

a. redundant

b. cartesian

c. cylindrical

d. spherical

Answer.

~end~

8.


50/108

= ?

a. = tan2 (x/y)

b. = cos2 (x/y)

c. = cos2 (y/x)d. = m (x/y)

Answer.a

~end~

9.

S= ?


51/108

a.

b.c.

d.

Answer.

~end~

10.The time variation of position and orientation of

link in space

produces .

a. Linear & angular velocity

b. Linear velocity

c. angular velocity

d. Linear & angular acceleration

Answer.a

~end~


52/108

11.The axis of rotation itself may be changing with

time is called .

a. Linear & angular velocity

b. Linear velocity

c. angular velocity

d. Linear & angular acceleration

Answer.c

12.The velocity vectors are free vectors. Why?

a. They do not depend on their linear actionb.They depend on their linear action

c. Both a & b

d. none

Answer.


53/108

13. The transformation from joint velocities to the

end effectors velocity is described by matrix, called

__________

a.The Jacobean matrix

b.Orientation matrix

c.Position matrix

d.None

Answer.a

~end~

14. The mapping between force applier to end

effectors & resulting calculate by __________

a.The Jacobean matrix

b.Orientation matrix

c.Position matrix

d.None

Answer.a

~end~

15. In pure transformation , linear link velocity can

be obtained by taking the fine derivative of the


54/108

homogeneous transformation matrix because

__________ is constant

a. The Jacobean matrixb. Orientation matrix

c. Position matrix

d. None

Answer.b

~end~

16. The angular velocity 0w1 define as __________

a. dQ/dt\

b. dv/dt

c. rw

d. d(0d1./dt

Answer.a

~end~

17. The linear velocity 0vi is given by __________

a. dQ/dt

b. dv/dt


55/108

c. rw

d. d(0d1./dt

Answer.b

~end~

18. In which vectors needs to be preserved in the

magnitude of direction __________

a. Free vector

b. Linear angular velocity

c. Angular velocity

d. Linear vector

Answer.a

~end~

19. The forward different model

End

effector

jackoform

Operation

point

?End

effector

velocity


56/108

a. joint velocity

b. free vectors

c. angular velocity vectors

d. linear vectors

Answer.a

6. TRAJECTORY PLANNING

Joint link

parameter


57/108

1. The Cartesian position and orientation of tool

within manipulator work piece if the following

condition satisfies.

a. sin & cos function taking values range of(-1,1)

b. sin & cos function taking values range of(0,-1)

c. sin & cos function taking values range of(1,-1)

d. Both a & b

Answer.

2. The purpose of control provide inputs for the robot

joint actuators. In order to accomplish a task with

__________

a. robot control system

b. end effectors

c. motor control

d. mechanical system

Answer.b

~end~


58/108

3. Robot tasks in basic types __________

a. un constrained free motion of tool

b. constrained motion application of forces to the

environment

c. combination of a & b

d. all above

Answer.d

~end~

4. The robot finding the path. This process is called

__________

a. trajectory planning

b. trajectory generation

c. trajectory description

d. none

Answer.a

~end~


59/108

5. The robot act of computing a trajectory as a time

sequence or value in a real time is called

__________

a. trajectory planning

b. trajectory generation

c. trajectory description

d. none

Answer.b

~end~

6.A pure geometric statical description or the motion

is called__________

a. path

b. trajectory

c. via points

d. spline

Answer.b

~end~


60/108

7. A path with specified quality of motion that in a

path on which a time law is Specified in terms of

velocities and acceleration at each point is called

__________

a.path

b.trajectory

c.via points

d.spline

Answer.c

~end~

8. The set of intermediate location between the set of

the start goal points. On a trajectory is called as

__________

a.path

b.trajectory

c.via points

d.spline

Answer.d

~end~


61/108

9. The smooth functions that passes through the set of

via points. It is called __________

a.pathb.trajectory

c.via points

d.spline

Answer.d

~end~

10. The PUMA robot path update rate is __________

a.560 hz

b.56 hz

c.5600 hz

d.none

Answer.a

~end~

11. The trajectory description in Cartesian space are

__________

a. x(dt. , x d(t. , xd(t.


62/108

b.Q d(t. , Q d(t. , Q d(t.

c.v1, v2, v3

d.none

Answer.a

~end~

12. The trajectory description in joint space are

__________

a.x(dt. , x d(t. , xd(t.

b.Q d(t. , Q d(t. , Q d(t.

c.v1, v2, v3

d.none

Answer.b

~end~

13. The collision free path obtain from

__________trajectory planning

a.Cartesian space

b.Joint space

c.Trajectory space

d.None


63/108

Answer.a

~end~

14. In which method trajectory planning has

computating at complexity __________

a.aCartesian space

b.Joint space

c.Trajectory space

d.None

Answer.a

~end~

15. What are criteria for controller selection__________

a.stability

b.performance


64/108

c.both

d.none

Answer.

~end~

16. The trajectory points are computed at a path

updated rate. This rate lies between __________

a.60hz 2000hz

b.60hz 1000hz

c.326hz

d.60hz

Answer.a

~end~

7.0 ROBOTIC VISION SYSTEM

1. Robotic vision may be defined as the process of a

extracting and interpreting information from

______


65/108

a. images

b.camera

c. 3 dimensional worldd.None

Answer. a

~end~

2. In a vision system the image device is ______

a. camera

b.ctd

c. ccd

d.All a b & c

Answer. d

~end~

3. The output of image device is a continuous analog

signal that is proportional to______

a. The amount of light reflected from an image

b.The amount of light reflected from an object

c. The amount of RGB value

d.The amount of pixel


66/108

Answer. a

~end~

4. In which illumination technique used for surface

defect recognition the light source is ______

a. Specular illumination (light field)

b.Specular illumination (dark field)

c. Front imager

d.Front illuminator

Answer. B

~end~

5. The features of object do not lie in the same plane.For identifying the errors technique

used ______

a. Rear illumination condenser

b.Front illumination

c. Rear illumination (collimeter)

d.Rear offset illumination

Answer. C

~end~


67/108

6. Two dimensional image which is quite adequate

for application involving objects lying in one

plane the application are _____

a. Measuring & gauging

b.Verifying presence of components

c. Checking features on a flat surface

d.All of them a b & c

Answer. a

~end~

7. The analysis of scene, where contours (or) shapes

are invalued the system requiring a ______

a. 3-diamention system

b.2-diamention system

c. Grey

d.None

Answer. A

~end~

8. A sample of image intensity quantized to a integer

value. It is called as


68/108

_______

a.Pixel

b.Syntaxc. Algorithm

d.Grey scale image

Answer. a

~end~

9. In vision system for the diagnosis of disease _____

images used.

a. Tomography

b.Syntax

c. Algorithmd.Grey scale image

Answer. a

~end~

10. Vision sensor is_____

a. taclite

b.Sonar

c. Ccd camera


69/108

d.Conductive rubber

Answer. c

~end~

11. In tele operation the human to guide a robotic

device using a ____ interface.

a. high band width

b.computer

c. control panels

d. inter lock

Answer. a

~end~

12. The use of sensors to indicate conditions or events

that are unsafe It

involves_______________.

a. personal trainnyb. safety monitory

c. barrier guides

d. interlocks


70/108

Answer. b

~end~

13. The important social objects robots is to serves for

humAnswer by ______________.

a. increase productivity

b. unsafe working condition

c. manufacturing by less costd. to prevent the economics loss

Answer. b

~end~

14. A device that senses that an object is only a shot

distance away and measures how far away it is from

the robot its______________.

a. vision camerab.b. proximity detector

c. strain gauge

d.limit switch


71/108

Answer. b

~end~

15. Combining or arranging of safety guards in an

order to provide backup safety

Features of the robot the level is

called_________________.

a. safety guards redundancy

b.software limits

c. work envelope

d.vision safety system

Answer. a

~end~

16. In material handling application requires the robot

to unstuck parts by removing from the top one. This

operation is named________________.

a. palletizing


72/108

b. depalleizing

c.stacking

d.processing

Answer. b

~end~

17. In material handling application requires the

robot to palletizing & depolarizing Parts byremoving from the top one. This operation is

named________________.

a. palletizing

b. depalleizing

c. stacking

d. processing

Answer. a

~end~

18. The cycle time of the machine may be relatively

_________________ compared to the robot cycle time.


73/108

a. long

b.short

c. equal

d.both a&c

Answer. a

~end~

19. A device that divides the rotation angle of a shaft

into functions of a degree and then reads out the

present angle in some binary code the device called.

a. ABS optical encoder

b.Limit switch

c. Proximity

d.Resolver

Answer. a

~end~

20. The capability of an computer to perform that

simulate human intelligence it is called

____________________


74/108

a.AI

b.fuzylogic

c. automationd.machine cell

Answer . a

~end~

21. A device used to detect signal based on the gap

between this sensor & non conductive maths the

device is ______________ .

a. ABS optical encoder

b.Capacitive proximity sensor

c. Limit switchd.Revolver

Answer. B

~end~

22. The robot controlling the path of a robotmanipulator between successive 3-diemension position

it is called

a. controlled


75/108

b.continues path

c. contoury

d.convolution

Answer. c

~end~

8.0 ROBOT SOFTWARE & PROGRAMMING


76/108

1. Overall control and co-ordinate of the robot

system is called

_______

a. Supervisory control

b.Task generator

c. Arm motion control

d.Task interpreter

Answer. a

~end~

2. The step by step execution of the robot task

controlled by______

a. Task generationb.Task interpreter

c. Arm motion control

d.Supervisory control

Answer. b

~end~

3. The commands of these axial motions are given by

the operator when the desired position is reached,

the stores the co-ordinates of the computer


77/108

memory. This process of programming called

as_______

a. manual teachingb.lead teaching

c. walk through teaching

d.offline programming

Answer. a

~end~

4. In a typical teach pendant have control commands

trAnswermode used for

________

a. to manipulate the robot

b.to run a programc. activated the joint control

d.to initialize the robot to known position

Answer. a

~end~


movemode used for

_______



78/108

b.to run a program

c. activated the joint control


sAnswer. c

~end~


homemode used for

_______


b.to run a program

c. activated the joint control


Answer. d

~end~


stepmode used for

_______


b.to run a program

c. useful to move the robot though the program

one advance at a time


79/108


Answer. c

~end~


zero mode used for

_______


b.to run a program

c. useful to move the robot though the program

one advance at a time

d.allow setting the position register to zero

Answer. d

~end~

9. The robot is major ingredient of ______

a. Cim technology

b.Cam technologyc. Cadd

d.Mrd

Answer. a


80/108

~end~

10.For offline robot programming_________ softwareused .

a.igrip

b.robcad

c.robot studio

d.all of above

Answer .d

~end~

11.The manipulator easy to create an environment for

programming by using _________

a. manual teaching

b.lead teaching

c. walk through teaching

d.offline programming

Answer. d

~end~


81/108

12.A central primitive is that for teaching a robot

a work point or ________ as 6degrees of freedom

by means of interaction with the graphics screen.

a.frame

b.mouse

c.workspace

d.toolpoint

Answer. a

~end~

13.An important use of 3D geometry of the object

models is in ________

a.for easy to locate desired target

b.automatic collision detection

c.practical display

d.for understanding work environment

Answer. b

~end~


82/108

9. ROBOTIC SYSTEM DESIGN ASPECTS

1.Torque developed due to armature current =

__________

a. Jm=Km Ia

b. Em=Ke Q : Q=shaft angle

c. Jl

d. Ea

Answer.a

~end~

2. armature back emf voltage created __________

a. Jm=Km Ia


c. Jl

d. Ea


83/108

Answer.b

~end~

3.Dc motor electrical equation = __________

a. Jm=Km Ia


c. Jl

d. Ea

Answer.d

~end~

4. mechanical system = __________

a. Jm=Km Ia


c. Jl

d. Ea

Answer.c

~end~


84/108

5.In which robot benefits are difficult to

quantify_______into cost or savings.

a.qualityb.productivity

c.flexibility

d.b & c

Answer.d

~end

6.The manipulator ________capacity depends upon

the sizing of its structural member,power transmission

system and actuators.

a.workvolumeb.load

c.speed

d.cycletime

Answer.b

~end~


85/108

10.0 ROBOTIC APPLICATION

1. SMART actuators __________

a.electrical

b.piezo-electric

c.SMA shape memory allow

d.Both b& c

Answer.

~end~

2. The actuator operates based on electromagnetism__________

a.DC motor

b.SMA shape memory allow


86/108

c.Electro-pneumatic

d.Stepper motor

Answer.

~end~

3. A conductor wire placed inside a magnetic field

experience a Lorentz force Fm = electromotive

force . Fm = __________

a.2(velocity*magnetic field.

b.(current * magnetic field. length

c.dQB/dt magnetic flux through coil

d.none

Answer.b

~end~


87/108

4. A conductor spinny inside magnetic field produce

a valley it is called___ .

a. electro magnetism

b.-electromotive force

c. back emf force

d.lorentz force

Answer.c

~end~

5.. In which actuators can obtain precise

control_________.

a. Pneumatic

b.Hydraulic

c. Electric

d.smart actuator

Answer .c

~end~

6.. In which actuation capable are high power

precession_________.


88/108

a. Pneumatic

b.Hydraulic

c. Electric

d.smart actuator

Answer .b

~end~

7. Piezoelectric actuators =

a. Pb (zr,ti)o3

b.B.ni,ti

c. C.cuzual

d.D.both b&c

Answer. a

~end~

8. SMA shape memory allow =____________.

a. Pb (zr,ti)o3

b.B.ni,ti

c.C.cuzual

d.D.both b&c


89/108

Answer. d

~end~

9. In which actuator in force wise to human

muscle_________.

a. Pneumatic

b. Sma

c.pz7

d. Hydraulic

Answer.

~end~

10. Electro thermal ,electro static sensors

is____________.

a.A.pz7

b.B.sma

c. C. Memsd.D. Tactile

Answer .c


90/108

~end~

11. Sensitivity =____________.

a. out/in

b.out=f(in)

c. min out max

d.out-actual measurement

Answer .a

~end~

12. Linearity=____________.

a. out/in

b.out=f(in)

c. min out max

d. out-actual measurement

Answer .b

~end~

13. Range =___________.


91/108

a. out/in

b.out=f(in)

c. min out max

d.out-actual measurement

Answer.d

~end~

14. Accuracy=__________.

a. out/in

b.out=f(in)

c. min out max

d .out-actual measurement

Answer.d

~end~

15. In which sensor used ultra sonic

source__________.

a. Ir sensorb.Tactile

c. Sonar sensor

d.Strain gauae


92/108

Answer. C

~end~

16 .In which sensor detect reflections ___________.

a. 4 Ir sensor

b.Tactile

c. Sonar sensor

d.Strain gauae

Answer .a

~end~

17. For distance measurement which sensor

used_________.

a. A.ir sensor

b.B.sonar sensor

c. C.laser range finder

d.D. All above three

Answer.d

~end~


93/108

18. Compass sensor based on _________.

a. Fluxgate (or )hall effect

b.B.doppler effectc. C.reverseeffect

d.D.none

Answer .a

~end~

19. Motion sensor for measuring velocity by

____________.

a. Fluxgate (or )hall effect

b.doppler effect

c. reverseeffect

d.none

Answer .b

~end~

20. Inertial navigation sensor____________.

a. Compass

b.B.accelerometers


94/108

c. Motion sensors

d. All above three

Answer .d

~end~

21. Array of photo diodes is called __________.

a.Pixels

b.Image prossessing

c. Soble operation

d.none

Answer. a

~end~

22. Color (or)grey level in each pixel range___________.

a.A.0-256

b.B.0-32

c. C.0-255

d.D.0-7

Answer .b

~end~


95/108

23. The purpose of image processing

______________.

a. To identify failure in fieldb.To identify colors

c. To identify faces

d.Toidentify objects

Answer. a

~end~

24. Stable operation used for _________________.

a. Edge detection

b.Face detection

c. line detectiond.Obstracles detection

Answer .c

~end~

25. The robot teach by showing use a

______________.

a. Teach pendant


96/108

b.Splized language

c. Task level programming

d.Exipictrobot programming

Answer. a

~end~

26. Explict robot programming use specialized

languages are _____________.

a. Val,al examples

b.Ar _basic

c. rapid @abb

d.E.karel@7aunc

Answer .a

~end~

27.Robot library with new language used in ibm

____________.

a. Ar basicb.Rapid

c. Aml

d. karel
mailto:d.karel@7auncmailto:d.karel@7auncmailto:d.karel@7auncmailto:d.karel@7aunc


97/108

Answer .C

~end~

28. The reliability of an automated complex system is

very important because its

________________ can result a major economic losses.

a. failure without prevention

b. failure

c. breaks down

d. UN safe act

Answer. a

~end~

29. The robot consumes________second for per spotwelding

a.2

b.1


98/108

c.1.5

d.2.5

Answer.c

~end~

30.The automotive compares hane invested robot for

spot welding because Of their_____

a.speed

b.accuracy

c. reliability

d. all of these

Answer.d

~end~

31.Spray painting robot is taught by the_______

a. reach through method

b. robot onlinec. robot offline

d. none

Answer. a


99/108

~end~

32.The demerits of painting robot are______

a. constant control

b. rapid control

c. low repeatability

d. all the above

Answer.d

~end~

33.The robot performance criteria for position

accuracy parameters criteria For position accuracy

parameters are_______

a.nominal load,max load

b.cycle time,speed,trAnswerverse timec.repeatability

d.path reviation,circle & corner accuracy


100/108

Answer.c

~end~

34.During assembly the ______ is provided in a robot

to correct for the lateral and angular errors .

a.compliance

b.controller

c.search algorithmd.software

Answer.a

~end~

35. The compliances can be defined as allowed or

initiated movement of the peg for the purpose of

_______

a.axial alignment of hole

b.scraping painted from a glass pane

c.performing surgeryd.alignment with hole

Answer.d


101/108

~end~

36.Misalignment between the axis of peg and axis of

hole ,it may be need to align

the hole by_________ compliance.

a.lateral compliances

b.rotational compliances

c.axial compliances

d.active compliances

Answer.a

~end~

37.The axis of peg and hole are not parallel ,the

assembly of the two will take place by corrected by__________ compliances.

a.lateral compliances

b.rotational compliances

c.axial compliances

d.active compliances

Answer.b

~end


102/108

38.The passive compliances to correct the

misalignment error during the assembly,is to use

passive mechanical device known as

___________device.

a.controller

b.sensors force/torque

c.remote center compliances(RCC)device

d.software

Answer.c

~end

11.0 ROBOT MAINTENANCE & SAFETY

1.During spot welding,weld gun tips must be

periodically________ to produce high strength weld


103/108

a.dreesed

b.cleaned

c.apply greased.change the weld tip

Answer.a

~end~

2.An annual maintenance cost is about_________of

their acquisition cost for industrial robot.

a.11-12%

b.10-25%

c.10-12%

d.50%

Answer.c

~end~

3.The most widely used safety device in robot_______

a. light curtain

b.air curtain

c. fence


104/108

d.safety mat

Answer.c

~end~

4.The most widely used safety device for spot welding

station in_________

a.light curtainb.air curtain

c.fence

d.safety mat

Answer.a

~end~

5.The risk zone could be identified in descending

order of risk________,________-&,_________

a.yellow,orange,&red

b.orange,yellow,&redc.red,orange,&yellow

d.red,yellow,&orange


105/108

Answer.c

~end~

6.Extreme care to avoid contamination in the fluid

mecganism for________,________robot.

a.servo hydraulic robots

b.pnenumatic powered robots

c.drive controlled

d.none

Answer.a

~end~

7.Extreme care is avoid water seponation for ------------

robot

a.servo hydraulic robotsb.pnenumatic powered robots

c.drive controlled

d.none


106/108

Answer.b

~end~

8.OZ of the robots being the highed risk becomes

the_______zone.

a.red

b.yellowc.blue

d.orange

Answer.a

~end~

9.the area converted by MRE becomes

the_______zone.

a.red

b.yellow

c.blued.orange

Answer.d


107/108

~end~

10.the perameter of the all other areas with in the

robot installation will than be designated_______color

a.red

b.yellow

c.blue

d.orange

Answer.b

~end~

11.photo electric guarduty done by________sensor.

a.fenceb.air curtain

c.light curtain

d.proximity

Answer.c

~end~


108/108

one mark robotic question

Documents