Electrical Engineering Power Plant Engineering MCQ Questions Pdf - 1

Question: 1

Rateau turbine belongs to the category of

(A) pressure velocity compounded steam turbine

(B) velocity compounded turbine

(C) reaction steam turbine

(D) pressure compounded impulse steam turbine

Ans: D

pressure compounded impulse steam turbine

Question: 2

In a surface condenser if air is removed there is

(A) rise in temperature of condensed steam

(B) no change in absolute pressure in the condenser

(C) rise in absolute pressure maintained in condenser

(D) fall in absolute pressure maintained in condenser

Ans: D

fall in absolute pressure maintained in condenser

Question: 3

Pipes carrying steam are generally made up of

(A) aluminium

(B) copper

(C) cast iron

(D) steel

Ans: D

steel

Question: 4

Combustible elements in the fuel are

(A) carbon, hydrogen and ash

(B) carbon, hydrogen and nitrogen

(C) carbon, hydrogen and sulphur

(D) carbon and hydrogen

Ans: C

carbon, hydrogen and sulphur

Question: 5

Thermal efficiency of the steam plant is of the order of

(A) 30%

(B) 50%

(C) 60%

(D) 80%

Ans: A

30%

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