MCQGeeks
0 : 0 : 1
CBSE
JEE
NTSE
NEET
English
UK Quiz
Quiz
Driving Test
Practice
Games
Quiz
Electrical Engineering
Electric Traction
Quiz 2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Q.1
The horsepower of steam locomotives is
Up to 1500
1500 to 2000
2000 to 3000
3000 to 4000
Q.2
Speed-time curve of main line service differs from those of urban and suburban services on following account
It has longer free running period
It has longer coasting period
Accelerating and braking periods are comparatively smaller
All of the above
Q.3
Locomotives with monometer bogies have
Uneven distribution of tractive effect
Suitability for passenger as well as freight service
Lot of skidding
Low coefficient of adhesion
Q.4
The rate of acceleration on sub-urban or urban services is restricted by the consideration of
Engine power
Track curves
Passenger Discomfort
Track size
Q.5
Locomotive having mono-motor bogies
Has better coefficient of adhesion
Are suited both for passenger as well as freight service
Has better riding qualities due to the reduction of lateral forces
Has all above qualities
Q.6
For diesel locomotives the range of horsepower is
50 to 200
500 to 1000
1500 to 2500
3000 to 5000
Q.7
Which of the following methods is used to control speed of 25 kV, 50 Hz single phase traction?
Reduced current method
Tap changing control of transformer
Series parallel operation of motors
All of the above
Q.8
Methods can bring the locomotive to dead stop.
Plugging braking
Rheostat braking
Regenerative braking
None of the above
Q.9
Which of the following state capitals (in India) is not on broad gauge track?
Lucknow
Bhopal
Jaipur
Chandigarh
Q.10
The air resistance to the movement of the train is proportional to
speed
(speed)
2
(speed)
3
1/speed
Q.11
Automatic signaling is used for which of the following trains?
Mail and express trains
Superfast trains
Suburban and Urban electric trains
All trains
Q.12
In case of steam engines the steam pressure is
1 to 4 kgf/cm²
5 to 8 kgf/cm²
10 to 15 kgf/cm²
25 to 35 kgf/cm²
Q.13
The friction at the track is proportional to
1/speed
1/(speed)²
Speed
None of the above
Q.14
When a bogie negotiates a curve, reduction in adhesion occurs resulting in sliding. Thus sliding is acute when
Wheel base of axles is more
Degree of curvature is more
Both (A) and (B)
None of the above
Q.15
_________ frequency is not common in low frequency traction system
40 Hz
25 Hz
16 Hz
None of these
Q.16
Which of the following happens in Kando system?
Three phase A.C. is converted into D.C.
Single phase A.C. is converted into D.C.
Single phase supply is converted into three phase system
None of the above
Q.17
The number of passenger coaches that can be attached to a diesel engine locomotive on broad gauge is usually restricted to
5
10
14
17
Q.18
Coefficient of adhesion reduces due to the presence of which of the following?
Sand on rails
Dew on rails
Oil on the rails
Both (B) and (C)
Q.19
Long distance railways use which of the following?
200 V D.C.
25 kV single phase A.C.
25 kV two phase A.C.
25 kV three phase A.C.
Q.20
In main line service as compared to urban and suburban service
Distance between the stops is more
Maximum speed reached is high
Acceleration and retardation rates are low
All of the above
Q.21
Power for lighting in passenger coach, in a long distance electric train, is provided
Directly through overhead electric line
Through individual generator of bogie and batteries
Through rails
Through locomotive
Q.22
The resistance encountered by a train in motion is on account of
Resistance offered by air
Friction at the track
Friction at various parts of the rolling stock
All of the above
Q.23
The overall efficiency of steam locomotive is around
5 to 10 percent
15 to 20 percent
25 to 35 percent
35 to 45 percent
Q.24
The coasting retardation is around
0.16 km phps
1.6 km phps
16 km phps
40 km phps
Q.25
Which of the following braking systems on the locomotives is costly?
Regenerative braking on electric locomotives
Vacuum braking on diesel locomotives
Vacuum braking on steam locomotives
All braking systems are equally costly
Q.26
The specific energy consumption of a train depends on which of the following?
Acceleration and retardation
Gradient
Distance covered
All of the above
Q.27
The pulsating torque exerted by steam locomotives causes which of the following?
Jolting and skidding
Hammer blow
Pitching
All of the above
Q.28
The voltage used for suburban trains in D.C. system is usually
12 V
24 V
220 V
600 to 750 V
Q.29
Vacuum is created by which of the following?
Vacuum pump
Ejector
Any of the above
None of the above
Q.30
Battery operated trucks are used in
Steel mills
Power stations
Narrow gauge traction
Factories for material transportation
0 h : 0 m : 1 s
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Report Question
×
What's an issue?
Question is wrong
Answer is wrong
Other Reason
Want to elaborate a bit more? (optional)
Support mcqgeeks.com by disabling your adblocker.
×
Please disable the adBlock and continue.
Thank you.
Reload page