Power Plant: Objective Questions

1. In the Orsat flue gas analyzer, ammonical Cuprous Chloride (CuCl2) is used to absorb the-

A. O2

B. CO2

C. CO

D. N2

Click for Answer/Explanation

Correct Answer is C

Reagents used-

KOH Solution to absorbCO2 gas

Pyrogallol Solution to absorbO2 gas

Cuprous Chloride Solution to absorbCO gas

2. Brayton cycle with infinite intercooling and reheating stages would approximate a (246)

A. Stirling cycle

B. Ericsson cycle

C. Otto cycle

D. Atkinson cycle

Click for Answer/Explanation

Correct Answer is B

3. Blowing down of boiler water is the process to (249)

A. reduce the boiler pressure

B. increase the steam temperature

C. control the solids concentration in the boiler water

D. control the drum level

Click for Answer/Explanation

Correct Answer is C

4. The main advantage of a reheat Rankine cycle is (251)

A. reduced moisture content in the L.P. side of the turbine

B. increased efficiency

C. reduced the load on the condenser

D. reduced the load on pmp

Click for Answer/Explanation

Correct Answer is A

5. In a boiler, the air preheater is invariably located between-

A. Forced draft fan and chimney

B. forced draft fan and furnace

C. condenser and feed pump

D. Economizer and feed pump

Click for Answer/Explanation

Correct Answer is B

 

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