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 β is the limiting angle of crossings, the distance between the noses of crossing measured parallel to the main track, is
- (A) D sin
β
- (B) D cot
β
- (C) D tan
β
- (D) D sec
β
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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