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Energy Conversion MCQs | Page - 26

Dear candidates you will find MCQ questions of Energy Conversion here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.

M

Mr. Dubey • 51.43K Points
Coach

Q. 251) The string efficiency in an ac system is

(A) 100%
(B) Zero
(C) 50%
(D) 25%
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M

Mr. Dubey • 51.43K Points
Coach

Q. 252) In a thermal power plant, among the variable costs, fuel accounts for nearly

(A) 20 to 25 percent of total cost
(B) 30 to 50 percent of total cost
(C) 75 to 80 percent of total cost
(D) 90 to 98 percent of total cost
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M

Mr. Dubey • 51.43K Points
Coach

Q. 253) Alternating current power is transmitted at high voltages

(A) to safeguard against pilferage
(B) to minimise transmission losses
(C) to reduce cost of generation
(D) to make the system reliable
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M

Mr. Dubey • 51.43K Points
Coach

Q. 254) For low head and high discharge the hydraulic turbine preferred is

(A) Jonval turbine
(B) Francis turbine
(C) Kaplan turbine
(D) Fourneyron turbine
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M

Mr. Dubey • 51.43K Points
Coach

Q. 255) The initial cost of an equipment is Rs. 20 lakhs and depreciated cost after ten years is Rs. 15 lakhs. The useful life of the equipment is

(A) 5 years
(B) 15 years
(C) 20 years
(D) Cannot be determined on the basis of the information provided
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M

Mr. Dubey • 51.43K Points
Coach

Q. 256) The output of a solar cell is of the order of

(A) 0.1 W
(B) 0.5 W
(C) 1 W
(D) 5 W
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M

Mr. Dubey • 51.43K Points
Coach

Q. 257) Radio carbon has half life of

(A) 17 years
(B) 117 years
(C) 557 years
(D) 5770 years
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M

Mr. Dubey • 51.43K Points
Coach

Q. 258) Candela is the unit of

(A) Luminous flux
(B) Luminous intensity
(C) Wavelength
(D) Brightness
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M

Mr. Dubey • 51.43K Points
Coach

Q. 259) Direct conversion of heat into electric power is possible through

(A) batteries
(B) fuel cells
(C) thermionic converters
(D) All of the above
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M

Mr. Dubey • 51.43K Points
Coach

Q. 260) Bottoming cycle is common in

(A) cement plants
(B) sugar millls
(C) paper mills
(D) All of the above
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