Railway Engineering Exam Questions Answers - Set 18 - ObjectiveBooks

# 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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