(C) Resistance to weathering
(D) All the above
Answer: Option D
Question No. 160
Anti-creep anchors are fixed to rails by
(A) Wedging
(B) Spring grip
(C) Clamping
(D) All the above
Answer: Option D
Question No. 161
Sleeper density in India is normally kept as
(A) (M + 2) to (M + 7)
(B) M to (M + 2)
(C) (M + 5) to (M + 10)
(D) M
M
Answer: Option A
Question No. 162
Composite sleeper index determines
(A) Number of sleepers per rail length
(B) Suitability of wooden sleepers
(C) Permissible stresses in steel sleepers
(D) None of these
Answer: Option B
Question No. 163
If G is gauge distance and a is crossing, the distance between the nose of acute crossing and nose
of obtuse crossing of a rail diamond, measured along the rail not forming the diamond, is
(A) G
(B) G
(C) G
(D) G
Answer: Option A
Question No. 164
Loose jaws of steel trough sleepers are made of
(A) Cast steel
(B) Mild steel
(C) Cast iron
(D) Spring steel
Answer: Option D
Question No. 165
Regional Indian railways use different types of sleepers according to their
(A) Availability
(B) Economy
(C) Suitability
(D) All the above
Answer: Option D
Question No. 166
In Indian railways, the ratio of axle load and weight of rail, is
(A) 312
(B) 412
(C) 512
(D) 600
Answer: Option C
Question No. 167
Maximum value of 'throw of switch' for Broad Gauge track is
(A) 89 mm
(B) 95 mm
(C) 100 mm
(D) 115 mm
Answer: Option D
Question No. 168
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
Answer: Option B
Question No. 169
If D
distance between the noses of crossing measured parallel to the main track, is
(A) D
(B) D
(C) D
(D) D
Answer: Option B
Question No. 170
Metal sleepers are superior to wooden sleepers with respect to
(A) Cost
(B) Life
(C) Track circuiting
(D) Fastening
Answer: Option B
Question No. 171
Charles Blacker Vignoles invented the flat footed rails in
(A) 1814
(B) 1836
(C) 1846
(D) 1856
Answer: Option B
Question No. 172
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
Answer: Option C
Question No. 173
A treadle bar is used for
(A) Interlocking points and signal
(B) Setting points and crossings
(C) Setting marshalling yard signals
(D) Track maintenance
Answer: Option A
Question No. 174
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 = L/4R
(C) h = L/8R
(D) h = L/16R
Answer: Option C
Question No. 175
For metal sleepers with rounded edges, maximum size of ballast, is
(A) 50 mm
(B) 40 mm
(C) 30 mm
(D) 25 cm
Answer: Option B
Question No. 176
Head width of 52 kg rail section is
(A) 61.9 mm
(B) 66.7 mm
(C) 67 mm
(D) 72.33 mm
Answer: Option C
Question No. 177
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
Answer: Option C
Question No. 178
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
Answer: Option A
Question No. 179
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
Answer: Option C
Question No. 180
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
Answer: Option C
Question No. 181
The standard dimensions of a wooden sleeper for a B.G. railway track are
(A) 2.74 m 25 cm 13 cm
(B) 1.83 m 20 cm 11 cm
(C) 1.52 m 15 cm 10 cm
(D) 1.75 cm 20 cm 12 cm
Answer: Option A
Question No. 182
The limiting value of cant excess for Broad Gauge is
(A) 55 mm
(B) 65 mm
(C) 75 mm
(D) 100 mm
Answer: Option C
Question No. 183
Indian Railways detects the rail flow by
(A) Mitsubishi Rail flow dector
(B) Soni Rail flow dector
(C) Audi-gauge Rail flow detector
(D) Kraut Kramer Rail flow detector
Answer: Option D
Question No. 184
The gradient on which an additional engine is required to negotiate the gradient, is called
(A) Momentum gradient
(B) Pusher gradient
(C) Ruling gradient
(D) Steep gradient
Answer: Option B
Question No. 185
One degree of curve is equivalent to
(A) 1600/R
(B) 1700/R
(C) 1750/R
(D) 1850/R
R
Answer: Option C
Question No. 186
If D
between the noses of crossing measured parallel to the gathering line, is
(A)
(B)
(C)
(D)
Answer: Option B
Question No. 187
If D is distance between centres of two parallel tracks of gauge G with entire curved leads and
equal angles of crossing, total length of crossover, is
(A) D (4R - 2G - D)]
(B) D (3R - 2G -D)]
(C) D (3R + 2G - D)]
(D) D (4 + 2G - D)]
Answer: Option A
Question No. 188
Which of the following mechanical devices is used to ensure that route cannot be changed while
the train is on the point even after putting back the signal?
(A) Detectors
(B) Point lock
(C) Iock bar
(D) Stretcher bar
Answer: Option C
Question No. 189
Pot sleepers are used if degree of the curve does not exceed
(A) 4
(B) 5
(C) 6
(D) 7
Answer: Option A
Question No. 190
Burnettising is done for the preservation of
(A) Wooden sleepers
(B) Rails
(C) Ballast
(D) None of these
Answer: Option A
Question No. 191
Consider the following statements:
Automatic signalling system results in
1. Greater risk
2. Higher efficiency
3. Avoidance of block instruments
4. Higher operating cost
Of these statements
(A) 1 and 2 are correct
(B) 3 and 4 are correct
(C) 1 and 4 are correct
(D) 2 and 3 are correct
Answer: Option D
Question No. 192
A kink is made in stock rails, ahead of the toe of switch at a distance of
(A) 10 cm
(B) 15 cm
(C) 20 cm
(D) 30 cm
Answer: Option B
Question No. 193
Rails are fixed on steel sleepers
(A) By bearing plates
(B) By dog spikes
(C) By keys in lugs or jaws
(D) None of these
Answer: Option C
Question No. 194
Largest dimension of a rail is its
(A) Height
(B) Foot width
(C) Head width
(D) Any of the above
Answer: Option A
Question No. 195
The rail section which is not used on Indian metre gauge tracks, is
(A) 25 R
(B) 30 R
(C) 35 R
(D) 40 R
Answer: Option D
Question No. 196
Advantage of automatic signalling, is:
(A) Increased safety
(B) Reduction in delays
(C) Increase in track capacity
(D) All the above
Answer: Option D
Question No. 197
For developing thinly populated areas, the correct choice of gauge is
(A) Broad Gauge
(B) Meter Gauge
(C) Narrow Gauge
(D) Any of the above
Answer: Option C
Question No. 198
Coning of wheels
(A) Prevent lateral movement of wheels
(B) Provide smooth running of trains
(C) Avoid excessive wear of inner faces of rail
(D) All the above
Answer: Option D
Question No. 199
An extra 7.5 cm ballast width is not provided on outer side on a curve, if its degree is
(A) 6
(B) 5
(C) 4
(D) 3
Answer: Option D
Question No. 200
Standard size of wooden sleeper for Broad Gauge track is
(A) 275 25 13 cm
(B) 180 20 11.5 cm
(C) 225 23 13 cm
(D) 250 26 12 cm
Answer: Option A
Question No. 201
By interchanging gibs and cotters of a pot sleeper, gauge may be slackened by
(A) 1.2 mm
(B) 2.2 mm
(C) 3.2 mm
(D) 4.2 mm
Answer: Option C
Question No. 202
The main function of sleepers, is
(A) To support rails
(B) To hold rails at correct gauge
(C) To distribute load from the rails to ballast
(D) All the above
Answer: Option D
Question No. 203
The limiting value of cant gradient for all gauges is
(A) 1 in 360
(B) 1 in 720
(C) 1 in 1000
(D) 1 in 1200
Answer: Option B
Question No. 204
The spike commonly used to fix rails to wooden sleepers in Indian railways, is
(A) Dog spike
(B) Screw spike
(C) Round spike
(D) All the above
Answer: Option D
Question No. 205
Track construction involves preparation of
(A) Sub-grade
(B) Plate laying
(C) Ballasting
(D) All the above
Answer: Option D
Question No. 206
Study the following statements regarding creep.
(i) Creep is greater on curves than on tangent railway track,
(ii) Creep in new rails is more than that in old rails,
(iii) Creep is more on steep gradients than on level track. The correct answer is
(A) Only (i)
(B) (i) and (ii)
(C) (ii) and (iii)
(D) (i), (ii) and (iii)
Answer: Option B
Question No. 207
According to Indian Railway Board, no diamond crossing should be flatter than
(A) 1 in 6
(B) 1 in 8
(C) 1 in 12
(D) 1 in 16
Answer: Option B
Question No. 208
Smith diamond is provided if the angle of diamond is less than
(A) 2
(B) 4
(C) 6
(D) 8
Answer: Option C
Question No. 209
60 R rails are mostly used in
(A) Broad Gauge
(B) Metre Gauge
(C) Narrow Gauge
(D) None of the above
Answer: Option B
Question No. 210
A welded rail joint is generally
(A) Supported on a sleeper
(B) Supported on a metal plate
(C) Suspended
(D) None of these
Answer: Option C
Question No. 211
If the standard length of a crossing is 480 cm, the number of crossing is
(A) 1 in 8 of B.G.
(B) 1 in 8 of M.G.
(C) Both (a) and (b)
(D) None of these
Answer: Option C
Question No. 212
Width of ballast section for Broad Gauge is
(A) 1.83 m
(B) 2.25 m
(C) 3.35 m
(D) 4.30 m
Answer: Option C
Question No. 213
Minimum length of a transition curve required for
(A) 2 curves for a maximum permissible speed of 135 km/hr, is 220 metres
(B) 4 curves for a maximum permissible speed of 95 km/hr, is 220 metres
(C) 6 curves for a maximum permissible speed of 80 km/hr, is 220 metres
