Practice Test: Question Set - 05
1. The main advantage of a cement concrete sleeper, is:
- (A) Its heavy
weight which improves the track modulus
- (B) Its capacity
to maintain gauge
- (C) Its
suitability for track circuiting
- (D) All the
above
2. For laying the railway track, materials required are
- (A) Rails
- (B) Fish-Plates
- (C) Fish Bolts
- (D) Bearing Plates
The quantities required for one kilometer of
Broad Gauge track will be
3. Stock rails are
- (A) Parts of
crossing
- (B) Fitted
against check rails
- (C) Fitted
against tongue rails
- (D) Laid between
heel of switch and nose of crossing
4. Continuity of electric current across welded rail joints, is maintained by
- (A) Welding ends
of a wire to each rail
- (B) Placing an
insulated plate underneath the rails
- (C) Placing
insulation in expansion gaps
- (D) None of
these
5. Consider the following statements about concrete sleepers.
1. They improve the track modulus.
2. They have good scrap value.
3. They render transportation easy.
4. They maintain the gauge quite
satisfactorily.
Of these statements
- (A) 1 and 2 are correct
- (B) 2 and 3 are correct
- (C) 3 and 4 are correct
- (D) 1 and 4 are correct
6. The arrangement of rails which permit trains to cross another track and also to divert to the other track, is called
- (A) Diamond
crossing
- (B) Diamond
crossing with single slip
- (C) Diamond
crossing with double slip
- (D) Cross over
7. On either side of the centre line of rails, a cant of 1 in 20 in the sleeper is provided for a distance of
- (A) 150 mm
- (B) 165 mm
- (C) 175 mm
- (D) 185 mm
8. In a B.G. railway track, the specified ruling gradient is 1 in 250. The horizontal curve of 3° on a gradient of 1 in 250 will have the permissible gradient of
- (A) 1 in 257
- (B) 1 in 357
- (C) 1 in 457
- (D) 1 in 512
9. A CST-9 sleeper consists of
- (A) Two inverted
triangular pots on either side of rail seat
- (B) A central
plate with a projected key and box on the top of plate
- (C) A tie bar
and 4 cotters to connect two cast iron plates
- (D) All the
above
10. Staggered rail joints are generally provided
- (A) On curves
- (B) On tangents
- (C) On bridges
- (D) In tunnels
11. The following tests are conducted for rails:
(i) Falling weight test
(ii) Tensile test
(iii) Hammer test
The compulsory tests are
- (A) Only (i)
- (B) (i) and (ii)
- (C) (ii) and (iii)
- (D) (i) and (iii)
12. Pick up the incorrect statement from the following:
- (A) Fish plates
fit the underside of the rail head
- (B) Fish plates
fit the top of the rail foot
- (C) Fish plates
fit the web of the rail section
- (D) Cross
sectional area of fish plates, is normally the same as that of the rail section
13. Pick up the correct statement from the following:
- (A) Length of
tongue rail should be greater than rigid wheel base of vehicle
- (B) Stock rail
should be longer than tongue rail
- (C) Length of
stock rail ahead of the toe should be a minimum of 1.65 m
- (D) All the
above
14. Fish plate is in contact with rail at
- (A) Web of rail
- (B) Fishing plane
- (C) Head of rail
- (D) Foot of rail
15. In railways a triangle is mainly provided for
- (A) Diverting
trains from the main line to branch line
- (B) Crossing
over between parallel tracks
- (C) Changing
direction of engines through 180°
- (D) Shunting wagons
in yards
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