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This set of Railway Engineering Multiple Choice Questions & Answers (MCQs) focuses on Railway Engineering Set 7
Q1 | Charles Blacker Vignoles invented the flat footed rails in
- 1814
- 1836
- 1846
- 1856
Q2 | A triangle of railway consists of
- three turn outs
- one turn out and two diamonds
- two turn outs and one split
- one turn out, one split and one diamond
Q3 | A treadle bar is used for
- interlocking points and signal
- setting points and crossings
- setting marshalling yard signals
- track maintenance
Q4 | If L is length of a rail and R is the radius of a curve, the versine h for the curve, is
- a = l/4r
- a = l²/4r
- h = l²/8r
- h = l²/16r
Q5 | For metal sleepers with rounded edges, maximum size of ballast, is
- 50 mm
- 40 mm
- 30 mm
- 25 cm
Q6 | Head width of 52 kg rail section is
- 61.9 mm
- 66.7 mm
- 67 mm
- 72.33 mm
Q7 | Rail joint supported on a single sleeper, is known
- suspended rail joint
- bridge rail joint
- supported rail joint
- square rail joint
Q8 | Each block of a two-block concrete sleeper is
- 722 mm × 295 mm × 271 mm and 215 kg in weight
- 250 mm × 154 mm × 196 mm and 260 kg in weight
- 525 mm × 350 mm × 275 mm and 280 kg in weight
- none of these
Q9 | The formation width for a double line Broad Gauge track in cutting (excluding drains) as adoptedon Indian Railways is
- 6.10 m
- 8.84 m
- 10.21 m
- 10.82 m
Q10 | Arrangement made to divert the trains from one track to another, is known as
- railway point
- railway crossing
- turnout
- railway junction
Q11 | The standard dimensions of a wooden sleeper for a B.G. railway track are
- 2.74 m × 25 cm × 13 cm
- 1.83 m × 20 cm × 11 cm
- 1.52 m × 15 cm × 10 cm
- 1.75 cm × 20 cm × 12 cm
Q12 | The limiting value of cant excess for Broad Gauge is
- 55 mm
- 65 mm
- 75 mm
- 100 mm
Q13 | Indian Railways detects the rail flow by
- mitsubishi rail flow dector
- soni rail flow dector
- audi-gauge rail flow detector
- kraut kramer rail flow detector
Q14 | The gradient on which an additional engine is required to negotiate the gradient, is called
- momentum gradient
- pusher gradient
- ruling gradient
- steep gradient
Q15 | If D is distance between centres of two parallel tracks of gauge G with entire curved leads andequal angles of crossing, total length of crossover, is
- d (4r - 2g - d)]
- d (3r - 2g -d)]
- d (3r + 2g - d)]
- d (4 + 2g - d)]
Q16 | Which of the following mechanical devices is used to ensure that route cannot be changed whilethe train is on the point even after putting back the signal?
- detectors
- point lock
- iock bar
- stretcher bar
Q17 | Pot sleepers are used if degree of the curve does not exceed
- 4°
- 5°
- 6°
- 7°
Q18 | Burnettising is done for the preservation of
- wooden sleepers
- rails
- ballast
- none of these
Q19 | A kink is made in stock rails, ahead of the toe of switch at a distance of
- 10 cm
- 15 cm
- 20 cm
- 30 cm
Q20 | Rails are fixed on steel sleepers
- by bearing plates
- by dog spikes
- by keys in lugs or jaws
- none of these
Q21 | Largest dimension of a rail is its
- height
- foot width
- head width
- any of the above
Q22 | The rail section which is not used on Indian metre gauge tracks, is
- 25 r
- 30 r
- 35 r
- 40 r
Q23 | Advantage of automatic signalling, is:
- increased safety
- reduction in delays
- increase in track capacity
- all the above
Q24 | For developing thinly populated areas, the correct choice of gauge is
- broad gauge
- meter gauge
- narrow gauge
- any of the above
Q25 | Coning of wheels
- prevent lateral movement of wheels
- provide smooth running of trains
- avoid excessive wear of inner faces of rail
- all the above