2081Mechanical EngineeringMedium
MCQs
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Correct answer
C. heating takes place at bottom and the water supplied at bottom gets converted into the mixture of steam bubbles and hot water which rise to drum
Explanation
The correct answer is heating takes place at bottom and the water supplied at bottom gets converted into the mixture of steam bubbles and hot water which rise to drum.
Correct answer
B. reversible engine
Explanation
The correct answer is reversible engine.
Correct answer
B. perfect gas
Explanation
The correct answer is perfect gas.
Correct answer
A. wrought iron
Explanation
The correct answer is wrought iron.
Correct answer
C. increase in net output but decrease in thermal efficiency
Explanation
The correct answer is increase in net output but decrease in thermal efficiency.
Correct answer
E. 63 to 67% nickel and 30% copper
Explanation
The correct answer is 63 to 67% nickel and 30% copper.
Correct answer
E. 2000-4000 kcal/kg
Explanation
The correct answer is 2000-4000 kcal/kg.
Correct answer
C. high heat value of oil
Explanation
The correct answer is high heat value of oil.
Correct answer
D. compressed air before entering the combustion chamber is heated
Explanation
The correct answer is compressed air before entering the combustion chamber is heated.
Correct answer
B. all of the above
Explanation
The correct answer is all of the above.