Geometric Design of Highway 6

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1. As per IRC, length of the road visible to driver (eye level) at any instant shall be_________

A) 1.4m
B) 1.3m
C) 1.2m
D) 1.1m

... Answer is C


 

2. As per IRC, height of obstruction above road surface is______

A) 0.10m
B) 0.12m
C) 0.15m
D) 0.20m

... Answer is C

 

3. As per IRC, Reaction time is__________

A) 2.50 sec
B) 2.45 sec
C) 2.44 sec
D) 2.56 sec

... Answer is A
For simple cases reaction time is 1.5 sec: For complex cases 3 to 4 sec
 

4. Bus bay should be located________ distance away from a junction.

A) 150m
B) 120m
C) 100m
D) 75m

... Answer is D

 

5. Minimum width of footpath is______

A) 2m
B) 1.5m
C) 1m
D) None of theses

... Answer is B

 

6. As per IRC, height of overtaken vehicle

A) 1.5m
B) 1.4m
C) 1.2m
D) 1.1m

... Answer is C

 

7. Stopping sight distance=

A) Lag distance-3 Breaking distance
B) Lag distance+2 Breaking distance
C) Lag distance+Breaking distance
D) Lag distance-Breaking distance

... Answer is C
SSD=Vt + V²/2gf
 

8. Rate of change of radial accleration governs the

A) Length of transition curve
B) Extrawidening on curve
C) Length of tangent on simple circular curve
D) All the above

... Answer is A

 

9. Minimum length of a valley curve should be such that the headlight beam sight distance is equal to the_________

A) SSD
B) Passing sight distance
C) No Passing sight distance
D) Both A and C

... Answer is D

 

10. As per IRC, minimum length of summit or valley curve should not be less than _____the design speed in Km/hr

A) 3/2
B) 1/2
C) 2/3
D) 1/4

... Answer is B

 

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