169. The speed of a locomotive is controlled by
A. fly wheel
B. gear box
C. applying brakes
D. regulating steam flow to engine

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170. 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

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

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172. For diesel locomotives the range of horse power is
A. 50 to 200
B. 500 to 1000
C. 1500 to 2500
D. 3000 to 5000

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173.  locomotives has the highest operational availability.
A. Electric
B. Diesel
C. Steam
D. none of the above

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174. The horsepower of steam locomotives is
A. upto 1500
B. 1500 to 2000
C. 2000 to 3000
D. 3000 to 4000

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175. The overall efficiency of steam locomotive is around
A. 5 to 10 percent
B. 15 to 20 percent
C. 25 to 35 percent
D. 35 to 45 percent

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