MCQ

1. An element is an

a. Rigid body b. Resistance body c. Free body d. Strong body

2. Rsisrance body is

a. Capable of transmitting force with no deformation

b. Capable of transmitting force with uniform velocity

c. Capable of transmitting force with negligible deformation

d. Capable of transmitting only motion & force

3. kinematic pair has two links

a. Fixed together b. Connected together with

constrained relative motion c. Connected together without

relative motion d. Connected together with free

relative motion

4. Following is not example of kinematic pair

a. Piston & cylinderb. Bush & pin c. Crank & connecting rod d. gear pair

5. Piston & cylinder form a

a. Mechanism b. Machine c. Kinematic pair d. structure

6. If two links are welded to each other they form

a. Kinematic pair b. Kinematic chain c. Machine d. None of above

7. A nut & screw

a. Can form a kinematic pair b. Can form non-kinematic pair c. Can form a structure d. Can form a chain

8. Any kinematic chain requires at least

a. Three links b. Four links c. Five links d. Two links

9. In a four link closed arrangement, if two links are fixed then it

forms_____________

a. Two links mechanism b. Machine c. Kinematic pair d. None of above

10. If one of the links of a kinematic chain is fixed , the arrangement is called

as ______

a. Structure b. Mechanism c. Fixed chain d. Machine

11. Every mechanism is a ___________

a. Kinematic chain b. Machine c. Structure d. all

12. Mechanism is a _______

a. Machine b. Kinematic chain used for power

transmission c. Kinematic chain with one link is

fixed d. Kinematic chain used for doing

work

13. Every kinematic chain is

a. Not a mechanism b. A mechanism c. A machine d. A structure

14. The primary function mechanism is to ____________

a. Transmit the power b. Absorb the energyc. Transmit the force d. Transmit or transform the motion

15. The mechanism used to converting rotary motion in to reciprocating motion is known as ___

a. Four bar chain mechanism b. Slider crank mechanism c. Rotary- reciprocatory mechanisms d. Double slider crank mechanism

Slider Crank mechanism

16. Slider chain mechanism is used in ______________

a. Reciprocating air compressor b. I.C. Engine c. Gas turbine d. Both (a) & (b)

Slider Crank mechanism

17. Four bar chain consist of

a. Four turning pair b. Two sliding & two turning pair c. Two turning pair d. One sliding & three turning pair

Four bar chain

18. Slider crank chain consist of

a. Four sliding pair b. Three sliding pairsc. One sliding pair & three turning

pairs d. Two sliding pairs & two turning

pairs

Slider Crank mechanism

19. Slider crank mechanism consist of ______________

a. Three links b. Two links c. Four links d. Five links

Slider crank mechanism

20. Mouse & mouse pad forms _____

a. Kinematic pair b. Mechanism c. Machine d. None of above

21. Door hinges are example of

a. Kinematic pair b. Structure c. Mechanism d. None of above

22. Door hinges are example of

a. Sliding pair b. Rotating pair c. Turning pair d. Screw pair

23. Door latch are example of

a. Sliding pair b. Rotating pair c. Turning pair d. Screw pair

MCQOn design process & engineering materials

1. Machine design does not include ________

a. Selection of materials b. Selection of arrangements of

mechanical elementsc. Selection of shapes & sizesd. Selection of machine

2. Design of car is example of n ex

a. Element design b. System design c. Empirical design d. None of above

3. Design of key is an example of

a. Element design b. System design c. Computer aided design d. Both (a) & (c)

4. In design procedure, the synthesis is always followed by __________

a. Analysisb. Optimization c. Ergonomicsd. Aesthetics

5. Ability of machine element to avoid the failure due to yielding or fracture

under load is known as ____

a. Rigidityb. Strength c. Toughness d. Safety

6. Stiffness is an important consideration in design of ________

a. Spring b. Electric switches c. Tv.d. Music system

7. Brittle material does not show____________

a. Fracture b. Yielding c. Breaking d. Fatigue failure

8. Which of the is a brittle material ?

a. Plain carbon steelb. Stainless steel c. Cast iron d. Brass

a. Cast iron b. Ceramic c. Stainless steeld. all

8. Which of the is a ductile material ?

9. The fluctuating load varies in _____

a. Magnitude onlyb. Direction only c. Magnitude & Direction bothd. Magnitude or / & Direction both

10. The property of a material which enables it to regain its original shape after the external load is removed is

called as _______

a. Ductility b. Elasticity c. Malleability d. Resilience

11. The property which is important in forging & press working process is

a. Elasticity b. Plasticity c. Stiffness d. Brittleness

12. The material property essential for spring is

a. Plasticity b. Stiffness c. Hardness d. Toughness

13. The percentage elongation is more than 5%, it is rated as ________

a. Ductile b. Elastic material c. Brittle material d. Rigid material

14. The property which is important in wire drawing is _________

A. Malleability B. Plasticity C. Ductility D. Resilience

15. The capacity of material to absorb elastic strain energy is called as ________

a. Toughness b. Resilience c. Ductilityd. Malleability

16. The total capacity of a material to absorb energy without fracture is called

as -------------------

a. Resilience b. Malleability c. Ductility d. Toughness

17. The property of a material which enables it to resist penetration or

abrasion is called as _______

a. Toughness b. Hardness c. Corrosion resistance d. Stiffness

18. The Following is not a ferrous material

a. Stainless steel b. Alloy steel c. Brass d. Cast iron

19. Cast iron is an alloy of ________

a. Iron, calcium, silicon & manganese b. Iron, carbon, silicon & manganese c. Iron, steel, silicon & manganese d. Iron, carbon & manganese

20. The molten iron is very fluid due to __________

a. High silicon content b. High manganese content c. High cobalt content d. High carbon content

21. The cast iron does not content

a. Carbon b. Silicon c. Cobalt d. Manganese

22. The following is not a advantage of cast iron

a. High tensile strength b. High compressive strength c. High wear resistance d. Excellent machinability

23. Which of the following material is best suited for machine tool beds ?

a. Alloy steel b. Cast iron c. High carbon steel d. Plain carbon steel

24. The leaf spring can be made of

a. Plain carbon steel b. Cast iron c. Cast steel d. Both (a) or (b)

25. The percentage of carbon in steel is ______________

a. Less than 1.7%b. 15 to 20% c. 5 to 10%d. 32%

26. The following statement about plain carbon steel is incorrect

a. It can not be cast in intricate shape b. It has high tensile strength c. It is good in vibration damping d. It has high fatigue strength

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