Mechanical Engineering Questions And Answers :: Ic Engines: part2



Mechanical Engineering : Ic Engines QUESTIONS AND ANSWERS :: part2 : 6 to 10

Following Mechanical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :

6.The specific fuel consumption per BH hour for a petrol engine is approximately

0.15 kg
0.2 kg
0.25 kg
0.3kg
0.35 kg.

7.In diesel engine the diesel fuel injected intc cylinder would burn instantly at about compressed air temperature of

250�C
500�C
1000�C
150CPC
2000�C.

8.It the temperature of intake air in IC engines is lowered, then its efficiency will

increase
decrease
remain same
increase upto certain limit and then decrease
decrease upto certain limit and then in-crease.

9.Pick up the false statement

Thermal efficiency of diesel engine i about 34%
Theoretically correct mixture of air am petrol is approximately 15 : 1
High speed compression engines operate on dual combustion cycle
Diesel engines are compression ignition engines
S.I. engines are quality-governed engines.

10.The air requirement of a petrol engine during starting compared to theoretical required for complete combustion is

more
loss
same
may be more or less depending on engine capacity
unpredictable.

More Ic Engines QUESTIONS AND ANSWERS available in next pages

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