Practice Test: Question Set - 18
1. If A is the projected area of a vehicle in square meters, V is speed of the vehicles in kilometers per hour and C is a constant, then the wind resistance R to the moving vehicles, is given by
- (A) R = CAV
- (B) R = CAV2
- (C) R = CAV3
- (D) R = C2AV
2. If the radius of curvature of a hill road is 50 m, the percentage grade compensation should be
- (A) 60/R
- (B) 70/R
- (C) 75/R
- (D) 80/R
3. The efficiency of the brakes of a vehicle depends upon
- (A) Condition of
road surface
- (B) Condition of
the tyres
- (C) Presence of
the show moisture
- (D) All the
above
4. On a pavement with parabolic camber, the angle of inclination of the vehicles will be
- (A) More at the
crown
- (B) Less
at the edges
- (C) More at the
edges
- (D) Same at the
edges as well as at the crown
5. Deviation of the alignment of a trace cut may be permitted in areas involving
- (A) Land slides
- (B) Sand dunes
- (C) Dens
- (D) None of
these
6. For a 6.6 m wide two lane pavement, berms are provided on either side having a width of
- (A) 1.00 m
- (B) 1.25 m
- (C) 1.50 m
- (D) 1.75 m
7. The wall constructed for the stability of an excavated portion of a road on the hill side, is known as
- (A) Retaining
wall
- (B) Breast wall
- (C) Parapet wall
- (D) All the
above
8. Which one of the following transportation systems is not used for the conveyance of passengers in India?
- (A) Railways
- (B) Roads
- (C) Shipping
- (D) Pipe lines
9. If W is the weight of a vehicle negotiating an upgrade 1 : S along a track having co-efficient of resistance μ, the tractive force T is given by
- (A) T = p/(μ + S)
- (B) p = T/(μ + S)
- (C) S = p/(μ + T)
- (D) μ = p/(T + S)
10. The normal road land width for a major district road in open area, is
- (A) 45 m
- (B) 25 m
- (C) 15 m
- (D) 12 m
11. Driving vehicles on wet surfaced roads, is dangerous because it may
- (A) Skid
- (B) Slip
- (C) Overturn
- (D) All the
above
12. If the rate of change of the super-elevation along a curved portion of a 7 metre wide road is 1 in 150 and the maximum super-elevation allowed is 1 in 15, the maximum length of the transition curve to be provided at either end, is
- (A) 65 m
- (B) 70 m
- (C) 75 m
- (D) 80 m
13. Transverse joints are provided at distances varying from
- (A) 10 m to 15 m
- (B) 12 m to 18 m
- (C) 16 m to 24 m
- (D) 17 m to 27 m
14. Concrete pavement is provided if daily traffic per lane exceeds
- (A) 500 tonnes
- (B) 750 tonnes
- (C) 1000 tonnes
- (D) 1250 tonnes
15. While designing hair pin bends on highways, the minimum
- (A) Designed
speed is 20 km/hour
- (B) Gradient is
1 in 40
- (C) Gradient is
1 in 200
- (D) All the
above
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