Q. For dual combustion cycle for fixed value of heat addition and compression ratio
✅ Correct Answer: (A)
mep wil be greater with increase in rp, and decrease in rc
Internal Combustion Engines (I.C. Engines) MCQs | Page - 2
Dear candidates you will find MCQ questions of Internal Combustion Engines (I.C. Engines) 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.
Q. The normal range of, compression ratio for Otto cycle is
✅ Correct Answer: (A)
6 to 10
Q. The normal range of compression ratio for Diesel cycle is
✅ Correct Answer: (C)
15 to 20
Q. For the same compression ratio and heat addition
✅ Correct Answer: (C)
ƞOtto> ƞDual > ƞDiesel
Q. for the same compression ratio and heat rejection,
✅ Correct Answer: (A)
ƞOtto> ƞDual > ƞDiesel
Q. When the engines are built to withstand the sane thermal and mechanical stresses
✅ Correct Answer: (A)
ƞDiesel > ƞDual > ƞOtto
Q. For the same peak pressure and heat input
✅ Correct Answer: (C)
ƞDiesel > ƞDual > ƞOtto
Q. For the same peak pressure and work output
✅ Correct Answer: (D)
ƞDiesel > ƞDual > ƞOtto
Q. Brayton cycle is used in
✅ Correct Answer: (B)
gas turbines
Q. The actual efficiency of a good engine is about _______of the estimated fuel-air cycle efficiency.
✅ Correct Answer: (B)
85%
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