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.

M

Mr. Dubey • 52.26K Points
Coach

Q. For dual combustion cycle for fixed value of heat addition and compression ratio

(A) mep wil be greater with increase in rp, and decrease in rc
(B) mep will be greater with decrease in rp and decrease in rc
(C) mep remain the same with increase in rp and decrease in rc
(D) none of the above
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M

Mr. Dubey • 52.26K Points
Coach

Q. The normal range of, compression ratio for Otto cycle is

(A) 6 to 10
(B) 2 to 4
(C) >10
(D) none of the above
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M

Mr. Dubey • 52.26K Points
Coach

Q. The normal range of compression ratio for Diesel cycle is

(A) 4 to 6
(B) 6 to 8
(C) 15 to 20
(D) >25
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M

Mr. Dubey • 52.26K Points
Coach

Q. For the same compression ratio and heat addition

(A) ƞOtto > ƞDiesel > ƞDual
(B) ƞDiesel > ƞOtto > ƞDual
(C) ƞOtto> ƞDual > ƞDiesel
(D) ƞDual> ƞDiesel > ƞOtto
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M

Mr. Dubey • 52.26K Points
Coach

Q. for the same compression ratio and heat rejection,

(A) ƞOtto> ƞDual > ƞDiesel
(B) ƞDiesel > ƞDual > ƞOtto
(C) ƞDual> ƞDiesel > ƞOtto
(D) ƞDual> ƞOtto> ƞDiesel
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M

Mr. Dubey • 52.26K Points
Coach

Q. When the engines are built to withstand the sane thermal and mechanical stresses

(A) ƞDiesel > ƞDual > ƞOtto
(B) ƞDual> ƞDiesel > ƞOtto
(C) ƞOtto> ƞDual > ƞDiesel
(D) ƞOtto> ƞDiesel > ƞDual
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M

Mr. Dubey • 52.26K Points
Coach

Q. For the same peak pressure and heat input

(A) ƞOtto > ƞDual > ƞDiesel
(B) ƞOtto > ƞDiesel > ƞDual
(C) ƞDiesel > ƞDual > ƞOtto
(D) ƞDiesel > ƞOtto > ƞDual
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M

Mr. Dubey • 52.26K Points
Coach

Q. For the same peak pressure and work output

(A) ƞOtto > ƞDual > ƞDiesel
(B) ƞOtto > ƞDiesel > ƞDual
(C) ƞDiesel > ƞOtto > ƞDual
(D) ƞDiesel > ƞDual > ƞOtto
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M

Mr. Dubey • 52.26K Points
Coach

Q. Brayton cycle is used in

(A) Ramjet engines
(B) gas turbines
(C) pulse jet engines
(D) Cl engines
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M

Mr. Dubey • 52.26K Points
Coach

Q. The actual efficiency of a good engine is about _______of the estimated fuel-air cycle efficiency.

(A) 100%
(B) 85%
(C) 50%
(D) 25%
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