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MVS ACADEMY CIVIL ENGINEERING GATE – 2019
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Syllabus as per GATE – 2019
Transportation Infrastructure:
83. Highway alignment and engineering surveys;
84. Geometric design of highways - cross-sectional elements, sight distances, horizontal
and vertical alignments;
85. Geometric design of railway track;
86. Airport runway length, taxiway and exit taxiway design.
Highway Pavements:
87. Highway materials - desirable properties and quality control tests; Design of bituminous
paving mixes;
88. Design factors for flexible and rigid pavements;
89. Design of flexible pavement using IRC: 37-2012; Design of rigid pavements using
IRC: 58-2011; Distresses in concrete pavements.
Traffic Engineering:
90. Traffic studies on flow, speed, travel time - delay and O-D study, PCU, peak hour
factor, parking study, accident study and analysis, statistical analysis of traffic data;
91. Microscopic and macroscopic parameters of traffic flow, fundamental relationships;
92. Control devices, signal design by Webster’s method;
93. Types of intersections and channelization; Highway capacity and level of service of
rural highways and urban roads.
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Few Typical Questions with Solutions given module wise list for reference:
MODULE – 83
1) Nagpur road plan formula were prepared by assuming
A) rectangular or block road pattern
B) radial or star and block road pattern
C) radial or star and circular road pattern
D) radial or star and grid road pattern
Ans: D
2) The sequence of four stages of survey in a highway alignment is
A) reconnaissance, map study, preliminary survey and detailed survey
B) map study, preliminary survey, recon-naissance and detailed survey
C) map study, reconnaissance, preliminary survey and detailed survey
D) preliminary survey, map study, recon-naissance and detailed survey
Ans: C
3) Select the correct statement.
A) Nagpur road plan formulae take into account the towns with very large
population.
B) Nagpur road plan has a target road length of 32 km per 100 square km.
C) Second 20-year plan has provided 1600 km of expressways out of the proposed
National highway.
D) Second 20-year plan allowed deduction of length of railway track in the area
while calculating the length of roads.
Ans: C
Explanation:
Nagpur road plan has a target road length of 16 km per 100 square km.
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4) The Star and Grid pattern of road network was adopted in
A) Nagpur Road Plan
B) Luck now Road Plan
C) Bombay Road Plan
D) Delhi Road Plan
Ans: A
MODULE - 84
5) In an area of heavy rainfall, a state Highway of high-type bituminous surface with
four lanes (14.0 m wide) is to be constructed. What will be the height of the crown of
the road relative to the edges for a composite camber? (i.e. middle half as parabola
and the rest as straight line)
A) 14 cm B) 21 cm C) 28 cm D) 7 cm
Ans: A
Solution:
In heavy rainfall area on high type bitumen surface camber is 1 in 50
6) A sign is required to be put up asking drivers to slow down to 30 km/h before entering
Zone Y (see figure). On this road, vehicles require 174 m to slow down to 30 km/h
(the distance of 174 m includes the distance travelled during the perception-reaction
time of drivers). The sign can be read by 6/6 vision drivers from a distance of 48 m.
The sign is placed at a distance of x m from the start of Zone Y so that even a 6/9
vision driver can slow down to 30 km/h before entering the zone. The minimum value
of x is _______________ m.
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MVS ACADEMY CIVIL ENGINEERING GATE – 2019
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Ans: 142
Solution:
The value of for 6/6 vision driver
The value of for 6/9 vision driver
7) What is the value of the resultant retardation in when a longitudinal friction
coefficient of 0.4 is allowed for stopping the vehicle on road?
A) 0.98 B) 1.95 C) 2.93 D) 3.93
Ans: D
Solution:
8) The perception-reaction time for a vehicle travelling at 90 km/h, given the coefficient
of longitudinal friction of 0.35 and the stopping sight distance of 170 m (assume
is _______ seconds.
Ans: 3.15
Solution:
(
)
9) Width of carriage way for a single lane is recommended to
A) 7.5 B) 7.0 C) 3.75 D) 5.5
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MVS ACADEMY CIVIL ENGINEERING GATE – 2019
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Ans: C
10) The design speed on a road is 60 kmph.Assuming the driver reaction time of 2.5
seconds and coefficient of friction of pavement surface as 0.35, the required stopping
distance for two-way traffic on a single lane road is
A) 82.1 m B) 102.4 m C) 164.2 m D) 186.4 m
Ans: C
Solution:
82.1m
As traffic is two in single lane, SSD required is twice of the above value.
2 82.1 164.2 m
11) Overtaking and overtaken vehicles are at 70 and 40 kmph respectively.
Find (i) OSD (ii) desirable length of overtaking zone. Given
A) 191.4,1080 B) 191.4,980 C) 278,834 D) 182.8,1260
Ans: C
Solution:
√
√
( =110.46m
12) The rate of super-elevation for a horizontal curve of radius 500 m in a national
highway for a design speed of 100 kmph is:
A) 0.04 B) 0.063 C) 0.07 D) 0.70
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MVS ACADEMY CIVIL ENGINEERING GATE – 2019
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Ans: C
Solution:
(
)
Limiting elevation is 0.07
13) A valley curve has a descending gradient of 1 in 40 followed by an ascending gradient
of 1 in 50. The length of the valley curve required for a design speed of 80 km/hour
for comfort condition is
A) 199 m B) 116 m C) 58 m D) 37 m
Ans: C
Solution:
(
)
(
)
14) A descending gradient of 4% meets an ascending gradient of 1 in 40 where a valley
curve of length 200 m is to be formed. What will be the distance of the lowest point
on the valley curve from its first tangent point?
A) 100 m B) 111 m C) 125 m D) 118 m
Ans: B
Solution:
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MVS ACADEMY CIVIL ENGINEERING GATE – 2019
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(
)
√
√
MODULE – 85
15) If the ruling gradient is 1 in 150 on a particular section of B.G. and at the same time a
curve of 4 degree is situated on this ruling gradient, what should be the allowable
ruling gradient? (up to 3 decimal points accuracy)
Ans: 0.0051
Solution:
Compensation for 4 degrees =
Actual gradient
Compensated gradient
16) If the curve lead of a broad gauge railway turnout is 16.76 m, the angle of crossing of
the turnout will be given by
A)
B)
C)
D)
Ans: D
17) Grade compensation on curves in Indian Railways for BG is
A) 0.40% per degree of curve
B) 0.06% per degree of curve
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C) 0.04% per degree of curve
D) 0.02% per degree of curve
Ans: C
18) The distance between the running faces of the stock- rail and gauge face of tongue rail
measured at the heel of the switch is known as
A) Flange way clearance
B) Throw of switch
C) Heel divergence
D) Flare
Ans: C
19) Which one of the following is the correct expression for the versine (h) of a curve?
A) h
B) h
C) h
D) h
Ans: C
MODULE – 86
20) The airport site has an elevation of 270 m. The length of runway under standard
condition is 1620 m. Find the corrected runway length after applying correction for
elevation?
Ans: 1722
Solution:
Correction for elevation
Corrected runway length =
21) Monthly mean of average daily temperature of hottest month is 30 and airport
reference temperature is 35 . Find monthly mean of maximum daily temperature of
hottest month considered?
A) 250 B) 450 C) 550 D) 760
Ans: 45
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Solution:
Airport reference temperature –
–
22) Monthly mean of average daily temperature of hottest month is 26 and monthly
mean of maximum daily temprature of hottest month is 32 . If the basic runway
length is 2000 m and its elevation is 300 m. find the corrected runway length?
Ans: 2460
Solution:
Correction for elevation
Corrected runway length =
23) What shall be the radius of an exit taxiway with design exit speed of 90 kmph and
coefficient of friction 0.13?
A) 550 m B) 500 m C) 475 m D) 449 m
Ans: B
Solution:
MODULE – 87
24) The following observations are made while testing aggregate for its suitability in
pavement construction:
(i) Mass of oven-dry aggregate in air = 1000g
(ii) Mass of saturated surface-dry aggregate in air = 1025g
(iii) Mass of saturated surface-dry aggregate under water = 625 g
Based on the above observations, the correct statement is
A) bulk specific gravity of aggregate = 2.5 and water absorption = 2.5%
B) bulk specific gravity of aggregate = 2.5 and water absorption = 2.4%
C) apparent specific gravity of aggregate = 2.5 and water absorption = 2.5%
D) apparent specific gravity of aggregate = 2.5 and water absorption = 2.4%
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Ans: A
Solution:
Apparent specific gravity
Bulk specific gravity
Water absorption
25) During a forensic investigation of pavement failure, an engineer reconstructed the
graphs P, Q, R and S, using partial and damaged old reports.
Theoretically plausible correct graphs according to the 'Marshall Mixture design
output' are
A) P, Q, R B) P, Q, S C) Q, R, S D) R, S, P
Ans: B
Explanation:
Voids filled with bitumen increases with bitumen content
26) In Marshall Method of mix design, the coarse aggregate, fine aggregate, fines and
bitumen having respective values of specific gravity 2.60, 2.70, 2.65 and 1.01, are
mixed in the relative proportions (% by weight) of 55.0, 35.8, 3.7 and 5.5
respectively. The theoretical specific gravity of the mix and the effective specific
gravity of the aggregates in the mix respectively are:
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A) 2.42 and 2.63 B) 2.42 and 2.78 C) 2.42 and 2.93 D) 2.64 and 2.78
Ans: A
Solution:
27) Match the information related to tests on aggregates given in Group-I with that in
Group-II.
Group-I Group-II
P. Resistance to impact 1. Hardness
Q. Resistance to wear 2. Strength
R. Resistance to weathering action 3. Toughness
S. Resistance to crushing 4. Soundness
A) P-1, Q-3, R-4, S-2
B) P-3, Q-1, R-4, S-2
C) P-4, Q-1, R-3, S-2
D) P-3, Q-4, R-2, S-1
Ans: B
28) Bitumen is derived from
A) Destructive distillation of coal tar
B) Destructive distillation of petroleum
C) Fractional distillation of petroleum
D) Naturally occurring ores
Ans: C
29) The consistency and flow resistance of bitumen can be determined from the following
A) Ductility test
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B) Penetration test
C) Softening point test
D) Viscosity test
Ans: D
MODULE – 88
30) The minimum value of CBR(%) required for granular sub-base as per Ministry of
Surface Transport (MOST) specification is
A) 5 B) 10 C) 15 D) 20
Ans: D
31) In the context of flexible pavement design, the ratio of contact pressure to tyre
pressure is called the Rigidity Factor. This factor is less than unity when the tyre
pressure is
A) Less than 0.56 N/mm2
B) Equal to 0.56 N/mm2
C) Equal to 0.7 N/mm2
D) More than 0.7 M/mm2
Ans: D
MODULE – 89
32) The radii of relative stiffness of the rigid pavement P and Q are denoted by and
respectively. The geometric and material properties of the concrete slab and
underlying soil are given below.
The ratio (up to one decimal place) of is _____.
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Ans: 2
Solution:
(
( )
(
)
33) It is proposed to widen and strengthen an existing 2-lane NH section as a divided
highway. The existing traffic in one direction is 2500 commercial vehicles (CV) per
day. The construction will take 1 year. The design CBR of soil subgrade is found to
be 4 percent. Given: traffic growth rate for CV = 8 percent, vehicle damage factor =
3.5 (standard axles per CV), design life = 10 years and traffic distribution factor =
0.75. The cumulative standard axles (MSA) computed are
A) 35 B) 37 C) 65 D) 70
Ans: B
Solution:
= 365A[( ]
VDF LDF
A = 2500 1.08 = 2700
= 365 2700 *(
+ 3.5 0.75 = 37 Msa
34) The radius of relatives stiffness for a 20 cm thick slab with E 3 × kg/ and
poisson’s ratio 0.15, resting on a subgrade having modulus of 5 kg/ is
A) 10 cm B) 80 cm C) 120 cm D) 320 cm
Ans: B
Solution:
*
( +
*
( +
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35) Select the strength parameter of concrete used in design of plain jointed cement
concrete pavements from the following choices:
A) Tensile strength
B) Compressive strength
C) Flexural strength
D) Shear strength
Ans: B
36) Base course is used in Rigid pavements for
A) Prevention of sub grade settlement
B) Prevention of slab cracking
C) Prevention of pumping
D) Prevention thermal expansion
Ans: C
MODULE – 90
37) In a one-lane one-way homogeneous traffic stream, the observed average headway is
3.0 s. The flow (expressed in vehicles/hr) in this traffic stream is________
Ans: 1200
Solution:
38) The minimum value of 15 minute peak hour factor on a section of a road is
A) 0.10 B) 0.20 C) 0.25 D) 0.33
Ans: C
Solution:
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39) The speed and delay studies on a defined section of highway are conducted by
A) Radar gun C) Traffic counters
B) Moving car method D) Enoscope
Ans: B
40) A traffic stream in a particular direction of a two lane road is moving with a constant
speed of 50 kmph, with an average headway of 2.52 seconds. The longitudinal
distance between two consecutive vehicles is
A) 30 m B) 35 m C) 38 m D) 42 m
Ans: B
Solution:
2.52 = 35m
41) The road geometrics in India are designed for the
A) 98th highest hourly traffic volume
B) 85th highest hourly traffic volume
C) 50th highest hourly traffic volume
D) 30th highest hourly traffic volume
Ans: A
MODULE – 91
42) While traveling along and against the traffic stream, a moving observer measured the
relative flows as 50 vehicles/hr and 200 vehicles/hr, respectively. The average speeds
of the moving observer while traveling along and against the stream are 20 km/hr and
30 km/hr, respectively. The density of the traffic stream (expressed in vehicles/km) is
Ans: 3
Solution:
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MVS ACADEMY CIVIL ENGINEERING GATE – 2019
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Solving
43) On a section of a highway the speed-density relationship is linear and is given by
(
; where is in km/h and is in veh/km. The capacity (in veh/h) of this
section of the highway would be
A) 1200 B) 2400 C) 4800 D) 9600
Ans: B
Solution:
44) A linear relationship is observed between speed and density on a certain section of a
highway. The free flow speed is observed to be 80 km per hour and the jam density is
estimated as 100 vehicles per km length. Based on the above relationship, the
maximum flow expected on this section and the speed at the maximum flow will
respectively be
A) 8000 vehicles per hour and 80 km per hour
B) 8000 vehicles per hour and 25 km per hour
C) 2000 vehicles per hour and 80 km per hour
D) 2000 vehicles per hour and 40 km per hour
Ans: D
Solution:
=
=
= 2000
=
=
= 40
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MVS ACADEMY CIVIL ENGINEERING GATE – 2019
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MODULE – 92
45) The critical flow ratios for a three-phase signal are found to be 0.30, 0.25, and 0.25.
The total time lost in the cycle is 10 s. Pedestrian crossings at this junction are not
significant. The respective Green times (expressed in seconds and rounded off to the
nearest integer) for the three phases are
A) 34, 28, and 28 C) 40, 25, and 25
B) 40, 30, and 30 D) 50, 25, and 25
Ans: A
Solution:
(
(
(
(
46) As per IRC 67- 2001, a traffic sign indicating the Speed Limit on a road should be of
A) Circular Shape with White Background and Red Border
B) Triangular Shape with White Background and Red Border
C) Triangular Shape with Red Background and While Border
D) Circular Shape with Red Background and White Border
Ans: A
47) Find the critical lane volume for phase given below?
Ans: 700
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Solution:
(
)
MODULE – 93
48) If a two-lane national highway and a two-lane state highway intersect at right angles, the number of potential conflict points at the intersection, assuming that both the
roads are two-way is
A) 11 B) 17 C) 24 D) 32
Ans: C
Explanation:
49) A roundabout is provided with an average entry width of 8.4 m, width of weaving section as 14 m, and length of the weaving section between channelizing islands as 35
m. The crossing traffic and total traffic on the weaving section are 1000 and 2000
PCU per hour respectively. The nearest rounded capacity of the roundabout (in PCU
per hour is)
A) 3300 B) 3700 C) 4500 D) 5200
Ans: B
Solution:
L = 35m
e = 8.4
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MVS ACADEMY CIVIL ENGINEERING GATE – 2019
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(
)(
)
(
0.5
(
)(
= 3733
50) Design parameters for a signalized intersection are shown in the figure below. The
green time calculated for major and minor roads are 34 and 18s respectively. The
critical lane volume on the major road changes to 440 vehicles per hour per lane and
the critical lane volume on the minor road remain unchanged. The green time will
A) Increase for the major road and remain same for the minor road.
B) Increase for the major road and decrease for the minor road.
C) Decrease for both the roads.
D) Remain unchanged for both the roads.
Ans: B
Solution:
(
(
)
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MVS ACADEMY CIVIL ENGINEERING GATE – 2019
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(
(
(
)
(
(