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MCQs

Total Questions : 323 | Page 1 of 33 pages
Question 1. In India, electrification of railway track was done for the first time in which of the following years?
  1.    1820 - 1825
  2.    1880 - 1885
  3.    1925 - 1932
  4.    1947 - 1954
 Discuss Question
Answer: Option C. -> 1925 - 1932
Question 2. _________ locomotive has the highest operational availability.
  1.    Electric
  2.    Diesel
  3.    Steam
  4.    All of the above
 Discuss Question
Answer: Option A. -> Electric
Question 3. The return circuit for tram cars is through
  1.    Neutral wire
  2.    Rails
  3.    Cables
  4.    Common earthing
 Discuss Question
Answer: Option B. -> Rails
Question 4. ________ have maximum unbalanced forces
  1.    Diesel saunters
  2.    Steam locomotives
  3.    Electric locomotives
  4.    Diesel locomotives
 Discuss Question
Answer: Option B. -> Steam locomotives
Question 5. The braking retardation is usually in the range
  1.    0.15 to 0.30 km phps
  2.    0.30 to 0.6 km phps
  3.    0.6 to 2.4 km phps
  4.    3 to 5 km phps
 Discuss Question
Answer: Option D. -> 3 to 5 km phps
Question 6. If the coefficient of adhesion on dry rails is 0.26, which of the following could be the value for wet rails?
  1.    0.3
  2.    0.26
  3.    0.225
  4.    0.16
 Discuss Question
Answer: Option D. -> 0.16
Question 7. The rate of acceleration on suburban or urban service is in the range
  1.    0.2 to 0.5 km phps
  2.    1.6 to 4.0 km phps
  3.    5 to 10 km phps
  4.    15 to 25 km phps
 Discuss Question
Answer: Option B. -> 1.6 to 4.0 km phps
Question 8. In tram ways which of the following motors is used?
  1.    D.C. shunt motor
  2.    D.C. series motor
  3.    A.C. three phase motor
  4.    AC. single phase capacitor start motor
 Discuss Question
Answer: Option B. -> D.C. series motor
Question 9. Which of the following drives is suitable for mines where explosive gas exists?
  1.    Steam engine
  2.    Diesel engine
  3.    Battery locomotive
  4.    Any of the above
 Discuss Question
Answer: Option C. -> Battery locomotive
Question 10. Overhead lines for power supply to tram cars 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

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