Online Railway Engineering Practice Tests - Set 12 - ObjectiveBooks

# Practice Test: Question Set - 12

1. In Indian railways, the ratio of axle load and weight of rail, is
(A) 312
(B) 412
(C) 512
(D) 600

2. Maximum value of 'throw of switch' for Broad Gauge track is
(A) 89 mm
(B) 95 mm
(C) 100 mm
(D) 115 mm

3. Top surface of steel sleepers, is
(A) Kept level throughout
(B) Provided a cant of 1 in 20 inward
(C) Provided a cant of 1 in 20 outward
(D) None of these

4. If D is the distance between the parallel sidings and Î² is the limiting angle of crossings, the distance between the noses of crossing measured parallel to the main track, is
(A) D sin Î²
(B) D cot Î²
(C) D tan Î²
(D) D sec Î²

5. Metal sleepers are superior to wooden sleepers with respect to
(A) Cost
(B) Life
(C) Track circuiting
(D) Fastening

6. Charles Blacker Vignoles invented the flat footed rails in
(A) 1814
(B) 1836
(C) 1846
(D) 1856

7. A triangle of railway consists of
(A) Three turn outs
(B) One turn out and two diamonds
(C) Two turn outs and one split
(D) One turn out, one split and one diamond

8. A treadle bar is used for
(A) Interlocking points and signal
(B) Setting points and crossings
(C) Setting marshalling yard signals
(D) Track maintenance

9. If L is length of a rail and R is the radius of a curve, the versine h for the curve, is
(A) a = L/4R
(B) a = L2/4R
(C) h = L2/8R
(D) h = L2/16R

10. For metal sleepers with rounded edges, maximum size of ballast, is
(A) 50 mm
(B) 40 mm
(C) 30 mm
(D) 25 cm

11. Head width of 52 kg rail section is
(A) 61.9 mm
(B) 66.7 mm
(C) 67 mm
(D) 72.33 mm

12. Rail joint supported on a single sleeper, is known
(A) Suspended rail joint
(B) Bridge rail joint
(C) Supported rail joint
(D) Square rail joint

13. Each block of a two-block concrete sleeper is
(A) 722 mm × 295 mm × 271 mm and 215 kg in weight
(B) 250 mm × 154 mm × 196 mm and 260 kg in weight
(C) 525 mm × 350 mm × 275 mm and 280 kg in weight
(D) None of these

14. The formation width for a double line Broad Gauge track in cutting (excluding drains) as adopted on Indian Railways is
(A) 6.10 m
(B) 8.84 m
(C) 10.21 m
(D) 10.82 m

15. Arrangement made to divert the trains from one track to another, is known as
(A) Railway point
(B) Railway crossing
(C) Turnout
(D) Railway junction

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