A.103 kmph
B.83 kmph
C.38 kmph
D.43 kmph
Related Mcqs:
- The power of a locomotive is 315 kW and the total weight of the train is 2000 kN. If the track resistance is qN per kN, the maximum speed that the locomotive can attain on level track will be
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- Power required for a train weighing 200 Mg to move at a uniform speed of 60 Kmph up an incline of 1 in 200 is (Resistance due to friction is negligible)
- A train travels between two stations 15 km apart in 18 minutes. If the train accelerates for a part of journey uniformly followed by uniform retardation, the maximum speed attained by the train during the journey will by
- A train travels between two stations 15 km, apart in 18 minutes. If the train accelerates for a part of journey uniformly followed by uniform relardation, the maximum speed attained by the train, during, the journey, will be
- Which of the following resistance depends on the train speed?
- Maximum horse power of a steam locomotive is
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- A steel wire is hang vertically under its own weight. What is the greatest length it can have if the allowable tensile stress is 2000 kg/cm2 and specific weight of steel is 8000 kg/cm
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Solution:
Power P = 315 KW
Track resistance = 15 N / KN
Weight of locomotive = 2000 KN
Total track resistance R = 15X 2000 = 30 KN
Formula – P = V R ; V = P / R = 315 / 30 = 10.5 m/s; (10.5 X 60 X 60) / 1000 = 37.8 ~ 38 Kmph..