# TRANSPORTATION ENGINEERING MCQs – 13 | GPSC | ESE | COMPETITVE EXAMS | CIVIL ENGINEERING

#### ByCivilelite

Sep 8, 2022

 61. Traffic volume is equal to ___. A.  traffic density/traffic speed B.  traffic speed/traffic density C.  Traffic density * Traffic speed D.  None of the above

 Answer: C        Traffic density * Traffic speed Explanation: Number of vehicles crossing the particular section of road is per unit time is called Traffic Volume. It is expressed in veh/day, veh/hr, veh/min.

 62. The superelevation is ____. A.  Inversely proportional to the speed of the vehicle B.  Inversely proportional to the width of the pavement C.  directly proportional to the speed of the vehicle D.  directly proportional to the width of the pavement

 Answer: C       directly proportional to the speed of the vehicle Explanation: e + f = V2/127R

 63. Minimum width (in meters) of carriage way for two lane road with raised kerb is ____. A.  7.5 m B.  12.0 m C.  5.5 m D.  7.0 m

 Answer: A     7.5 m Explanation: IRC specification for carriage way width are as mentioned below: 1.     Single lane – 3.75m wide 2.     Two lanes without kerb – 7m wide 3.     Two lanes with raised kerb – 7.5m wide 4.     Multi-lane – 3.5m wide 5.     Intermediate carriage – 5.5m wide

 64. Design speed of National Highway and state highway roads for plain terrain is ___. A.  30 to 65 kmph B.  40 to 50 kmph C.  65 to 85 kmph D.  80 to 100 kmph

Answer: D      80 to 100 kmph

Explanation:

 Plain Terrain Ruling Terrain Mountainous Terrain Steep Terrain Ruling Minimum Ruling Minimum Ruling Minimum Ruling Minimum National Highway and State Highway 100 80 80 65 50 40 40 30 Major District Road 80 65 65 50 40 30 30 0 Other District Road 65 50 50 40 30 25 25 20 Village Roads 50 40 40 25 25 20 25 20

 65. Equivalent factor for passenger car unit (PCU) for open section of rural roads for passenger car is ___. A. 0.5 B. 8.0 C.  1.0 D.  1.5

Explanation:

 Vehicle Class Equivalent Factor Motor cycles and scooter 0.5 Passenger car, Pick-up van and auto-rickshaw 1.0 Agricultural tractor and light commercial vehicles 1.5 Single unit Truck and Bus 3.0 Truck-trailer and agriculture tractor – trailer 4.5 Pedal Cycle 0.5 Cycle Rickshaw 2.0 Hand Cart 3.0 Horse drawn vehicle 4.0 Bullock cart 6.0 Bullock cart (large) 8.0