Highway Engineering Quiz | Highway Engineering Short Questions and Answers

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Questions
41 The background colour of the informatory sign board is
A red
B yellow
C green
D white

Answer: yellow
42 On a right angled road intersection with two way traffic, the total number of conflict points is
A 6
B 11
C 18
D 24

Answer: 24
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43 When the speed of traffic flow becomes zero,then
A traffic density attains maximum value whereas traffic volume becomes zero
B traffic density and traffic volume both attain maximum value
C traffic density and traffic volume both become zero
D traffic density becomes zero whereas traffic volume attains maximum value

Answer: traffic density attains maximum value whereas traffic volume becomes zero
44 The diagram which shows all important physical conditions of an accident location like roadway limits, bridges, trees and all details of roadway conditions is known as
A pie chart
B spot maps
C condition diagram
D collision diagram

Answer: condition diagram
45 Scientific planning of transportation system and mass transit facilities in cities should be based on
A spot speed data
B origin and destination data
C traffic volume data
D accident data

Answer: origin and destination data
46 If the stopping distance and average length of a vehicle are 18 m and 6 m respectively, then the theoretical maxi¬mum capacity of a traffic lane at a speed of 10 m/sec is
A 1500 vehicles per hour
B 2000 vehicles per hour
C 2500 vehicles per hour
D 3000 vehicles per hour

Answer: 1500 vehicles per hour
47 Equivalent factor of passenger car unit (PCU) for a passenger car as per IRC is
A 1.0
B 2.0
C 0.5
D 10

Answer: 1.0
48 With increase in speed of the traffic stream, the maximum capacity of the lane
A increases
B decreases
C first increases and then decreases after reaching a maximum value at optimum speed
D first decreases and then increases after reaching a minimum value at optimum speed

Answer: first increases and then decreases after reaching a maximum value at optimum speed
49 If the average center to center spacing of vehicles is 20 meters, then the basic capacity of a traffic lane at a speed of 50 kmph is
A 2500 vehicles per day
B 2000 vehicles per hour
C 2500 vehicles per hour
D 1000 vehicles per hour

Answer: 2500 vehicles per hour
50 Which of the following is known as design capacity ?
A basic capacity
B theoretical capacity
C possible capacity
D practical capacity

Answer: basic capacity
51 With increase in speed of the traffic stream, the minimum spacing of vehicles
A increases
B decreases
C first decreases and then increases after reaching a minimum value at optimum speed
D first increases and then decreases after reaching a maximum value at optimum speed

Answer: increases
52 The diagram which shows the approximate path of vehicles and pedestrians involved in accidents is known as
A spot maps
B pie charts
C condition diagram
D collision diagram

Answer: collision diagram
53 Which of the following methods is preferred for collecting origin and destination data for a small area like a mass business center or a large intersection ?
A road side interview method
B license plate method
C return postcard method
D home interview method

Answer: license plate method
54 Desire lines are plotted in
A traffic volume studies
B speed studies
C accident studies
D origin and destination studies

Answer: origin and destination studies
55 The maximum width of a vehicle as recommended by IRC is
A 1.85m
B 2.44 m
C 3.81 m
D 4.72 m

Answer: 2.44 m
56 Length of a vehicle affects
A width of traffic lanes
B extra width of pavement and minimum turning radius
C width of shoulders and parking facilities
D clearance to be provided under structures such as overbridges, under-bridges etc.

Answer: extra width of pavement and minimum turning radius
57 Select the correct statement.
A Traffic volume should always be more than traffic capacity.
B Traffic capacity should always be more than traffic volume.
C Spot speed is the average speed of a vehicle at a specified section.
D 85th percentile speed is more than 98th percentile speed.

Answer: Traffic capacity should always be more than traffic volume.
58 For highway geometric design purposes the speed used is
A 15th percentile
B 50 “”percentile
C 85th percentile
D 98 “”percentile

Answer: 98 “”percentile
59 Enoscope is used to find
A average speed
B spot speed
C space-mean speed
D time-mean speed

Answer: spot speed
60 Highway facilities are designed for
A annual average hourly volume
B annual average daily traffic
C thirtieth highest hourly volume
D peak hourly volume of the year

Answer: thirtieth highest hourly volume

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