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MCQs

Total Questions : 323 | Page 31 of 33 pages
Question 301. An ideal traction system should have_______________?
  1.    easy speed control
  2.    high starting tractive effort
  3.    equipment capable of with standing large temporary loads
  4.    all of the above
 Discuss Question
Answer: Option D. -> all of the above
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 302. When a bogie negotiates a curve, reduction in adhesion occurs resulting in sliding. Thus sliding is acute when_______________?
  1.    wheel base of axles is more
  2.    degree of curvature is more
  3.    both A. and B.
  4.    none of the above
 Discuss Question
Answer: Option C. -> both A. and B.
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 303. Have maximum unbalanced forces_______________?
  1.    Diesel shunters
  2.    Steam locomotives
  3.    Electric locomotives
  4.    Diesel locomotives
 Discuss Question
Answer: Option B. -> Steam locomotives
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 304. In case of _________________ free running and coasting periods are generally long ?
  1.    main-line service
  2.    urban service
  3.    sub-urban service
  4.    all of the above
 Discuss Question
Answer: Option A. -> main-line service
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 305. Specific energy consumption is affected by which of the following factors ?
  1.    Retardation and acceleration values
  2.    Gradient
  3.    Distance between stops
  4.    All of the above
 Discuss Question
Answer: Option D. -> All of the above
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 306. Overhead lines for power supply to tramcars are at a minimum height of______________?
  1.    3 m
  2.    6 m
  3.    10 m
  4.    15 m
 Discuss Question
Answer: Option C. -> 10 m
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 307. Specific energy consumption is least in ________________ service?
  1.    main line
  2.    urban
  3.    suburban
 Discuss Question
Answer: Option A. -> main line
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 308. Locomotive having monomotor bogies________________?
  1.    has better coefficient of adhesion
  2.    are suited both for passanger as well as freight service
  3.    has better riding qualities due to the reduction of lateral forces
  4.    has all above qualities
 Discuss Question
Answer: Option D. -> has all above qualities
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 309. Energy consumption in propelling the train is required for which of the following?
  1.    Work against the resistance to motion
  2.    Work against gravity while moving up the gradient
  3.    Acceleration
  4.    All of the above
 Discuss Question
Answer: Option D. -> All of the above
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 310. For 25 kV single phase system power supply frequency is_______________?
  1.    60 Hz
  2.    50 Hz
  3.    25 Hz
  4.    16 Hz
 Discuss Question
Answer: Option B. -> 50 Hz
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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