Online MCQ Exam on Electric Traction - Set 06 - ObjectiveBooks

Online MCQ Exam on Electric Traction - Set 06

Practice Test: Question Set - 06

1. Which of the following methods is used to control speed of 25 kV, 50 Hz single phase traction?
    (A) Reduced current method
    (B) Tap changing control of transformer
    (C) Series parallel operation of motors
    (D) All of the above

2. Main traction systems used in India are, those using
    (A) Electric locomotives
    (B) Diesel engine locomotives
    (C) Steam engine locomotives
    (D) All of the above

3. 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

4. Which of the following braking systems on the locomotives is costly?
    (A) Regenerative braking on electric locomotives
    (B) Vacuum braking on diesel locomotives
    (C) Vacuum braking on steam locomotives
    (D) All braking systems are equally costly

5. Which of the following braking systems is used on steam locomotives?
    (A) Hydraulic system
    (B) Pneumatic system
    (C) Vacuum system
    (D) None of the above

6. Specific energy consumption becomes
    (A) More on steeper gradient
    (B) More with high train resistance
    (C) Less if distance between stops is more
    (D) All of the above

7. In India, electrification of railway track was done for the first time in which of the following years?
    (A) 1820 - 1825
    (B) 1880 - 1885
    (C) 1925 - 1932
    (D) 1947 - 1954

8. In India diesel locomotives are manufactured at
    (A) Ajmer
    (B) Varanasi
    (C) Bangalore
    (D) Jamalpur

9. Electric locomotives in India are manufactured at
    (A) Jamalpur
    (B) Bangalore
    (C) Chittaranjan
    (D) Gorakhpur

10. The pulsating torque exerted by steam locomotives causes which of the following?
    (A) Jolting and skidding
    (B) Hammer blow
    (C) Pitching
    (D) All of the above

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