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Electric Traction — Part 2 MCQs with Explanations

Practice high-yield Electrical Engineering MCQs on Electric Traction — Part 2 with worked academic solutions for WAPDA, NTDC, IESCO, LESCO, PPSC, FPSC.

Questions
39
Difficulty Level
Exam-Level
Target Exams
WAPDA, NTDC, IESCO...
Estimated Time
47 mins
Exam-Level WAPDA NTDC IESCO LESCO PPSC FPSC
Verified for Commission Syllabus • Oct 14, 2026
39

Verified Practice Questions

Interactive test mode with detailed academic worked solutions

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Question 1 of 39
★ WAPDA ★ NTDC

Automatic signaling is used for which of the following trains?

Question 2 of 39
★ WAPDA ★ NTDC

In case of steam engines the steam pressure is

Question 3 of 39
★ WAPDA ★ NTDC

The resistance encountered by a train in motion is on account of

Question 4 of 39
★ WAPDA ★ NTDC

In case of a steam engine an average coal consumption per km is nearly

Question 5 of 39
★ WAPDA ★ NTDC

The friction at the track is proportional to

Question 6 of 39
★ WAPDA ★ NTDC

When a bogie negotiates a curve, reduction in adhesion occurs resulting in sliding. Thus sliding is acute when

Question 7 of 39
★ WAPDA ★ NTDC

The overall efficiency of steam locomotive is around

Question 8 of 39
★ WAPDA ★ NTDC

For which of the following locomotives the maintenance requirements are the least?

Question 9 of 39
★ WAPDA ★ NTDC

Methods can bring the locomotive to dead stop.

Question 10 of 39
★ WAPDA ★ NTDC

Which of the following state capitals (in India) is not on broad gauge track?

Question 11 of 39
★ WAPDA ★ NTDC

The air resistance to the movement of the train is proportional to

Question 12 of 39
★ WAPDA ★ NTDC

Which of the following braking systems is used on steam locomotives?

Question 13 of 39
★ WAPDA ★ NTDC

An ideal traction system should have

Question 14 of 39
★ WAPDA ★ NTDC

Locomotive having mono-motor bogies

Question 15 of 39
★ WAPDA ★ NTDC

Which of the following methods is used to control speed of 25 kV, 50 Hz single phase traction?

Question 16 of 39
★ WAPDA ★ NTDC

The efficiency of diesel locomotives is nearly

Question 17 of 39
★ WAPDA ★ NTDC

For three-phase induction motors which of the following is the least efficient method of speed control?

Question 18 of 39
★ WAPDA ★ NTDC

Which of the following is the advantage of electric braking?

Question 19 of 39
★ WAPDA ★ NTDC

Speed-time curve of main line service differs from those of urban and suburban services on following account

Question 20 of 39
★ WAPDA ★ NTDC

Locomotives with monometer bogies have

Question 21 of 39
★ WAPDA ★ NTDC

In case of locomotives the tractive power is provided by

Question 22 of 39
★ WAPDA ★ NTDC

Watt-hours per tonne km is usually the specific energy consumption for suburban services.

Question 23 of 39
★ WAPDA ★ NTDC

The steam engine provided on steam locomotives is

Question 24 of 39
★ WAPDA ★ NTDC

The horsepower of steam locomotives is

Question 25 of 39
★ WAPDA ★ NTDC

The number of passenger coaches that can be attached to a diesel engine locomotive on broad gauge is usually restricted to

Question 26 of 39
★ WAPDA ★ NTDC

Overload capacity of diesel engines is usually restricted to

Question 27 of 39
★ WAPDA ★ NTDC

Suri transmission is

Question 28 of 39
★ WAPDA ★ NTDC

Which of the following is the disadvantage of electric traction over other systems of traction?

Question 29 of 39
★ WAPDA ★ NTDC

_______ was the first city in India to adopt electric traction.

Question 30 of 39
★ WAPDA ★ NTDC

The rate of acceleration on sub-urban or urban services is restricted by the consideration of

Question 31 of 39
★ WAPDA ★ NTDC

In India, electrification of railway track was done for the first time in which of the following years?

Question 32 of 39
★ WAPDA ★ NTDC

_________ locomotive has the highest operational availability.

Question 33 of 39
★ WAPDA ★ NTDC

The return circuit for tram cars is through

Question 34 of 39
★ WAPDA ★ NTDC

________ have maximum unbalanced forces

Question 35 of 39
★ WAPDA ★ NTDC

The braking retardation is usually in the range

Question 36 of 39
★ WAPDA ★ NTDC

If the coefficient of adhesion on dry rails is 0.26, which of the following could be the value for wet rails?

Question 37 of 39
★ WAPDA ★ NTDC

The rate of acceleration on suburban or urban service is in the range

Question 38 of 39
★ WAPDA ★ NTDC

In tram ways which of the following motors is used?

Question 39 of 39
★ WAPDA ★ NTDC

Which of the following drives is suitable for mines where explosive gas exists?

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In competitive commission exams (FPSC, PPSC, KPPSC, SPSC, CSS, PMS), questions are frequently phrased with distractor options designed to catch rote learners. Whenever you answer an MCQ, read the Detailed Academic Explanation and Conceptual Anchor to understand why the remaining options are incorrect.

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