Practice Test: Question Set - 18
1. To ensure exact gauge, the gauge tie plates are provided at
- (A) Toe of the switch
- (B) Nose of crossing
- (C) Both (A) and (B)
- (D) None of the above
2. If G is gauge is metres, V is speed of trains in km/hour and R is radius of a curve in metres, the equilibrium super elevation is
- (A) GV2/R
- (B) GV2/17R
- (C) GV2/127R
- (D) GV2/130R
3. The height of the center of arm of a semaphore signal above the ground is
- (A) 5.5 m
- (B) 6.5 m
- (C) 7.5 m
- (D) 8.5 m
4. A wing rail is renewed or reconditioned if its maximum vertical wear is
- (A) 9.5 m
- (B) 7.5 m
- (C) 5.5 m
- (D) 5.0 m
5. The steepest gradient permissible on a 2.5° curve for Broad Gauge line having ruling gradient of 1 in 200 is
- (A) 1 in 250
- (B) 1 in 222
- (C) 1 in 235
- (D) 1 in 275
6. The tread of wheels is provided an outward slope of
- (A) 1 in 10
- (B) 1 in 15
- (C) 1 in 20
- (D) 1 in 25
7. When the rail ends rest on a joint sleeper, the joint is termed as
- (A) Supported rail joint
- (B) Suspended rail joint
- (C) Bridge joint
- (D) Base joint
8. To prevent percolation of water into formation, moorum is used as a blanket for
- (A) Black cotton
soil
- (B) Sandy soil
- (C) Clayey soil
- (D) All the
above
9. Number of fish bolts per fish plate is
- (A) 2
- (B) 4
- (C) 5
- (D) 6
10. For flat bottom sleepers, maximum size of ballast, is
- (A) 50 mm
- (B) 40 mm
- (C) 33 mm
- (D) 25 mm
11. Which of the following turnouts is most commonly used for goods train on Indian Railways?
- (A) 1 in 8'/2
- (B) 1 in 12
- (C) 1 in 16
- (D) 1 in 20
12. On Indian Railways standard length of rails for M.G. track, is
- (A) 33 ft (10.06
m)
- (B) 36 ft (10.97
m)
- (C) 39 ft (11.89
m)
- (D) 42 ft (12.8
m)
13. The nominal size of ballast used for points and crossings is
- (A) 25 mm
- (B) 40 mm
- (C) 50 mm
- (D) 10 mm
14. The overall length of a turn out is the distance between the end of stock rail and
- (A) Heel
of crossing
- (B) Actual nose
of crossing
- (C) Throat of
crossing
- (D) Toe of
crossing
15. The width of foot for 90 R rail section is
- (A) 100 mm
- (B) 122.2 mm
- (C) 136.5 mm
- (D) 146.0 mm
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