Electric Traction Quiz | Electric Traction Multiple Choice Questions and Answers

1 Automatic signalling is used for which of the following trains ?
A Mail and express trains
B Superfast trains
C Suburban and Urban electric trains
D All trains

Answer: Superfast trains
2 The wheels of a train, engine as well as bogies, are slightly tapered to
A reduce friction
B increase friction
C facilitate braking
D facilitate in taking turns

Answer: facilitate in taking turns
3 Electric locomotives in India are manufactured at
A Jamalpur
B Bangalore
C Chittranjan
D Gorakhpur

Answer: Chittranjan
4 The steam engine provided on steam locomotives is
A single acting condensing type
B single acting non-condensing type
C double acting condensing type
D double acting non-condensing type

Answer: single acting non-condensing type
5 In case of steam engines the steam pressure is
A 1 to 4 kgf/cm2
B 5 to 8 kgf/cm2
C 10 to 15 kgf/cm2
D 25 to 35 kgf/cm2

Answer: 10 to 15 kgf/cm2
6 Overload capacity of diesel engines is usually restricted to
A 2 percent
B 10 percent
C 20 percent
D 40 percent

Answer: 2 percent
7 In case of locomotives the tractive power is provided by
A single cylinder double acting steam engine
B double cylinder, single acting steam engine
C double cylinder, double acting steam engine
D single stage steam turbine

Answer: double cylinder, double acting steam engine
8 Which of the following drives is suitable for mines where explosive gas exists ?
A Steam engine
B Diesel engine
C Battery locomotive
D Any of the above

Answer: Battery locomotive
9 In a steam locomotive electric power is provided through
A overhead wire
B battery system
C small turbo-generator
D diesel engine generator

Answer: small turbo-generator
10 In tramways which of the following motors is used ?
A D.C. shunt motor
B D.C. series motor
C A.C. three phase motor
D AC. single phase capacitor start motor

Answer: D.C. series motor
11 The overall efficiency of steam locomotive is around
A 5 to 10 percent
B 15 to 20 percent
C 25 to 35 percent
D 35 to 45 percent

Answer: 5 to 10 percent
12 The horsepower of steam locomotives is
A up to 1500
B 1500 to 2000
C 2000 to 3000
D 3000 to 4000

Answer: up to 1500
13 _______ locomotive has the highest operational availability.
A Electric
B Diesel
C Steam
D None

Answer: Electric
14 For diesel locomotives the range of horsepower is
A 50 to 200
B 500 to 1000
C 1500 to 2500
D 3000 to 5000

Answer: 1500 to 2500
15 in India diesel locomotives are manufactured at
A Ajmer
B Varanasi
C Bangalore
D Jamalpur

Answer: Varanasi
16 Main traction systems used in India are, those using
A electric locomotives
B diesel engine locomotives
C diesel electric locomotives
D all of the above

Answer: all of the above
17 The speed of a locomotive is controlled by
A flywheel
B gear box
C applying brakes 11.
D regulating steam flow to engine

Answer: regulating steam flow to engine
18 Long distance railways use which of the following ?
A 200 V D.C.
B 25 kV single phase A.C.
C 25 kV two phase A.C.
D 25 kV three phase A.C.

Answer: 25 kV single phase A.C.
19 Which of the following is the voltage for single phase A.C. system ?
A 22 V
B 440 V
C 5 kV
D None of the above

Answer: 22 V
20 Which of the following is an advantage of electric traction over other methods of traction ?
A Faster acceleration
B No pollution problems
C Better braking action
D All of the above

Answer: Faster acceleration

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