Explore topic-wise MCQs in Ic Engine.

This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Ic Engine knowledge and support exam preparation. Choose a topic below to get started.

1.

For a given compression ratio, as the mixture is made progressively rich from lean the mean effective pressure ____________

A. increases
B. decreases
C. initially increases and then decreases
D. remains more or less the same
Answer» D. remains more or less the same
Discussion
2.

When the mixture is lean ____________

A. efficiency is less
B. power output is less
C. maximum temperature and pressure are higher
D. all of the mentioned
Answer» C. maximum temperature and pressure are higher
Discussion
3.

Cycles with lean to very lean mixture tend towards ____________

A. practice cycles
B. fuel air cycles
C. air standard cycles
D. none of the mentioned
Answer» E.
Discussion
4.

Mean effective pressure at a given compression ratio is maximum when the air fuel ratio is?

A. higher than stoichiometric
B. lower than stoichiometric
C. equal to stoichiometric
D. none of the mentioned
Answer» C. equal to stoichiometric
Discussion
5.

Fuel air ratio affects maximum power output of the engine due to ____________

A. higher specific heats
B. chemical equilibrium losses
C. higher specific heats and chemical equilibrium losses
D. none of the mentioned
Answer» D. none of the mentioned
Discussion