Practice Test: Question Set - 04
1. Pick up the incorrect statement from the following. Required tilt of 1 in 20 is provided
- (A) To the tops
of rails
- (B) At rail
seats in bearing plates
- (C) At rail
seats in chairs
- (D) At rail
seats in metal sleepers
2. The formation width for a railway track depends on the
(i) Type of gauge
(ii) Number of tracks to be laid side by
side
(iii) Slope of sides of embankment or
cutting
The correct answer is
- (A) Only (i)
- (B) Both (i) and (ii)
- (C) Both (i) and (iii)
- (D) (i), (ii) and (iii)
3. If a 0.7% upgrade meets a 0.65% downgrade at a summit and the permissible rate of change of grade per chain length is 0.10%, the length of the vertical curve, is
- (A) 10 chains
- (B) 12 chains
- (C) 14 chains
- (D) 16 chains
4. Main disadvantage of steel sleepers, is:
- (A) It gets
rusted quickly
- (B) Its lugs
sometimes get broken
- (C) Its lugs
sometimes get split
- (D) All the
above
5. For a Broad Gauge route with (M + 7) sleeper density, number of sleepers per rail length is
- (A) 18
- (B) 19
- (C) 20
- (D) 21
6. Bearing plates are used to fix
- (A) Flat footed
rails to the wooden sleepers
- (B) Double
headed rails to the wooden sleepers
- (C) Bull headed
rails to the wooden sleepers
- (D) Flat footed
rails to the cast iron sleepers
7. On a single line track, 10 goods trains loaded with iron ore run from A to B and empty wagons return from B to A daily. Amount of creep of the rails will be
- (A) Zero
- (B) More in the
direction A to B
- (C) More in the
direction B to A
- (D) None of
these
8. The desirable rate of change of cant deficiency in case of Metre Gauge is
- (A) 20 mm/sec
- (B) 35 mm/sec
- (C) 55 mm/sec
- (D) 65 mm/sec
9. At a rail joint, the ends of adjoining rails, are connected with a pair of fish plates and
- (A) 2 fish bolts
- (B) 4 fish bolts
- (C) 6 fish bolts
- (D) 8 fish bolts
10. If the standard length of a B.G. crossing is 597 cm, the number of crossing, is
- (A) 1 in 8½
- (B) 1 in 12
- (C) 1 in 16
- (D) None of
these
11. Switch angle is the angle between
- (A) The gauge face of the stock rail and tongue
rail
- (B) The outer face of the stock rail and tongue
rail
- (C) The gauge face of the stock rail and outer
face of the tongue rail
- (D) The outer face of the stock rail and the
gauge face of the tongue rail
12. Pick up the incorrect statement from the following:
- (A) Sleepers
transfer the load of moving locomotive to the girders of the bridges
- (B) Sleepers act
as a non-elastic medium between the rails and ballast
- (C) Sleepers
hold the rails at 1 in 20 tilt inward
- (D) Sleepers
hold the rails loose on curve
13. On Broad Gauge main lines with maximum traffic loads, the rail section preferred to, is
- (A) 29.8 to 37.3
kg/m
- (B) 32.5 to 42.5
kg/cm
- (C) 44.7 to 56.8
kg/m
- (D) None of
these
14. The treadle bar is provided
- (A) In the middle of the track a little in front of the
toes of the tongue rail
- (B) Near and parallel to inner side of one of the rails
- (C) At right angle to the rail
- (D) Near and parallel to inner side of both the
rails
15. Heel of crossing is the line joining
- (A) Ends of
splice rail and point rail
- (B) Ends of lead
rails butting the crossing
- (C) Ends of wing
rails
- (D) Throat and
actual nose of crossing
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