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
Related Mcqs:
- 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 - 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 - Maximum daily traffic capacity of bituminous pavements is______________?
A. 500 tonnes per day
B. 1000 tonnes per day
C. 1500 tonnes per day
D. 2000 tonnes per day - For the design of super elevation for mixed traffic conditions, the speed is reduced by_____________?
A. 15%
B. 20%
C. 25%
D. 75% - 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 - As per IRC recommendations, the maximum limit of super elevation for mixed traffic in plain terrain is_______________?
A. 1 in 15
B. 1 in 12.5
C. 1 in 10
D. equal to camber - On a single lane road with two way traffic, the minimum stopping sight distance is equal to______________?
A. stopping distance
B. two times the stopping distance
C. half the stopping distance
D. three times the stopping distance - The provision of traffic signals at intersections______________?
A. reduces right angled and rear end collisions
B. increases right angled and rear end collisions
C. reduces right angled collisions but may increase rear end collisions
D. reduces rear end collisions but may increase right angled collisions - As per IRC recommendations, the average level of illumination on important roads carrying fast traffic is______________?
A. 10 lux
B. 15 lux
C. 20 lux
D. 30 lux - A traffic rotary is justified where______________?
A. number of intersecting roads is between 4 and 7
B. space is limited and costly
C. when traffic volume is less than 500 vehicles per hour
D. when traffic volume is more than 5000 vehicles per hour
