1) 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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2) _________ locomotive has the highest operational availability? a. Electric b. Diesel c. Steam
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3) The speed of a locomotive is controlled by_______________? a. flywheel b. gear box c. applying brakes 11 d. regulating steam flow to engine
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4) The horsepower of steam locomotives is______________? a. up to 1500 b. 1500 to 2000 c. 2000 to 3000 d. 3000 to 4000
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5) Main traction systems used in India are, those using______________? a. electric locomotives b. diesel engine locomotives c. steam engine locomotives d. diesel electric locomotives e. all of the above
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6) Which of the following is the voltage for single phase A.C. system ? a. 22 V b. 440 V c. 5 kV d. 15 kV e. None of the above
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7) For diesel locomotives the range of horsepower is_______________? a. 50 to 200 b. 500 to 1000 c. 1500 to 2500 d. 3000 to 5000
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8) Which of the following is an advantage of electric traction over other methods of traction ? a. Faster acceleration b. No pollution problems c. Better braking action d. All of the above
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9) Long distance railways use which of the following ? a. 200 V D.C. b. 25 kV single phase A.C. c. 25 kV two phase A.C. d. 25 kV three phase A.C.
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10) In a steam locomotive electric power is provided through_____________? a. overhead wire b. battery system c. small turbo-generator d. diesel engine generator
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