a) Increased b) Decreased c) Removed d) Short-circuited Ans: (b)
a) Dam, reservoir, catchment area b) Tunnels, surge tanks, pipelines and tailrace c) Hydraulic turbines and coupled alternators d) All of these Ans: (d)
a) Close to the power house b) At an elevated place c) Both (a) and (b) above d) At a lower place Ans: (c)
a) Reaction turbines for low and medium heads b) Impulse turbines for medium and high heads c) Both (a) and (b) above d) Pelton turbines for low heads Ans: (c)
a) Opened b) Closed c) Loaded d) Both (b) and (c) above Ans: (a)
a) More cost of installation b) Less maintenance and fuel cost c) Both (a) and (b) above d) Low depreciation charges Ans: (c)
a) Discharge duration curve b) Hydrograph c) Load curve d) Flow histogram Ans: (b)
a) Cylindrical rotor b) Salient pole rotor c) Nonsalient pole rotor d) Round rotor with ac excitation Ans: (b)
a) Mc b) 1/2 m2c c) mc2 d) 1/2 mc2 Ans: (b)
a) 0.235 b) 235 c) 2.35 d) 0.7 Ans: (d)
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