a) High pressure and low velocity. b) High pressure and high velocity. c) Low pressure and low velocity. d) Low pressure and high velocity. Ans: (c)
a) 10,000 amp b) 100 amp c) 1 amp d) 1 microampere Ans: (a)
a) Much less than any CB. b) Mush more than any CB. c) Equal to the CB. d) None of the above is necessary. Ans: (a)
a) Circuit breaker. b) Protective relay. c) Inductor in the neutral. d) Capacitor in the neutral. Ans: (c)
a) Air break C.B. b) Oil C.B. c) Vacuum C.B. d) M.O. C.B. Ans: (c)
a) Circular b) Spiral c) Elliptic Ans: (b)
a) Voltage restrained directional relay. b) Voltage controlled over current relay. c) Directional restrained over current relay. d) Directional restrained over voltage relay. Ans: (a)
a) 6 b) 4 c) 3 d) 2 Ans: (d)
a) Long transmission lines. b) Medium length lines. c) Short length lines. d) No length criterion. Ans: (a)
a) Bulk oil circuit breakers. b) Minimum oil circuit breakers. c) Air blast circuit breakers. d) All types of breakers. Ans: (c)
Multiple Choice Question (MCQ) of Electric Power page-10:91. An impulse turbine
Multiple Choice Question (MCQ) of Electric Power page-9:81. Spouting velocity is A) Velocity of jet under specified conditions B) Actual velocity of jet C) 50 % of ideal velocity of jet D) Ideal velocity of jet.
Multiple Choice Question (MCQ) of Electric Power page-8:71. In closed cooling system A) water does not flow B) hot water is recirculated after cooling C) air and water cooling is simultaneously used D) constant supply of fresh water for cooling is required.