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71.

The supply and distribution of electrical energy in states is controlled by

A.	Department of Science and Technology	B.	Department of Industries
C.	Electricity Board	D.	BHEL
E.	NTPC

72.

Which of the following power plant can be easily started from cold conditions?

73.

In a steam locomotive the power is generated in

A.	Steam turbine	B.	Single acting condensing steam engine
C.	Single acting non-condensing steam engine	D.	Double acting condensing steam engine
E.	Double acting non-condensing steam engine

74.

The fixed cost of a power plant depends on

75.

Which of the following material has high scrap value as compared to initial cost?

76.

The value of an equipment at the end of its useful life is known as

77.

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.	10 years
C.	15 years	D.	20 years
E.	Cannot be determined on the basis of the information provided

78.

The depreciation rate for an equipment is generally decided in light of

79.

Which of the following disadvantages occurs due to low power factor?

A.	Greater conductor size	B.	Poor voltage regulation
C.	Large copper losses	D.	Large KVA rating of transformers
E.	All of the above

80.

Which of the following equipment has power factor closer to unity

A.	GLS lamp	B.	Fluorescent lamp
C.	Induction motor	D.	Single phase capacitor motor
E.	Carbon arc lamp