HE CLASS TEST-1

What is the main purpose of providing camber?

• To maintain equilibrium
  
  

• To drain off rain water
  
  

• To follow IRC specifications
  
  

• To follow geometric specifications

  The value of longitudinal coefficient of friction ranges from ______.

• 0.10 to 0.30

• 0.25 to 0.30

• 0.05 to 0.25

• 0.35 to 0.40

A median is also called as ___________.

If the speed of overtaken vehicle is 80Kmph, then the design speed is______Kmph.

Match the following:

• 0.07

• Coefficient of friction

• 2.5

• Single lane road (metre)                                    

• 2.0

• Reaction time in OSD (seconds)

• 3.75

• Width of vehicle (metre) 

• 0.35

• Maximum Super-elevation

The length visible to driver at any instance of time is called stopping sight distance.

• TRUE

• FALSE

The desirable Length of overtaking zone = 5 OSD.

• TRUE

• FALSE

Arrange the following in ascending order based on their year of establishment.

• Jayakar Committee

• NHAI

• IRC

• CRF

• CRRI

Label the cross section of a road.

RoW-Right of Way

S-Shoulder

RW-Roadway

CW-Carraigeway

RM-Road Margin

a

b

c

d

e

RM

RW

CW

RoW

S

The braking efficiency mainly depends on which factor?            

• Sight distance
  
  

• PIEV theory
  
  

• Friction
  
  

• Length of the curve