PER 22562 IMP Questions for MSBTE Winter 2024 Exam

Welcome to Practicalkida. In this post, we share the imp of PER 22562 for the MSBTE Winter 2024 Exam.

All mechanical third-year I scheme students can refer to these important questions for Power Engineering and Refrigeration.

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Draw the Diesel cycle on the PV and TS diagram.
Draw the Carnot cycle on the PV and TS diagram.
State the equation of the Carnot cycle’s thermal efficiency and the meaning of each term involved in it.
Explain the term cut-off ratio w. r. to I.C.engine.
State the assumptions made for the air standard cycle.
If the compression ratio of the Otto cycle is changed from 5 to 6. What is the percentage increase in the efficiency?

Draw an actual valve timing diagram of a 4-stroke petrol engine.
Name any four sensors used in I.C. engines and explain the working of anyone.
Differentiate between supercharging and turbocharging in IC engines.
Differentiate between two-stroke and four-stroke engines.
Explain MPFI with a neat sketch.
Explain the workings of EGR with a neat sketch.
In an ideal Otto cycle, the air at the beginning of the isentropic compression is at 1 bar and 150C. The compression ratio is 7. If the heat added during the constant volume process is 200 KJ/Kg, determine a) the maximum temperature in the cycle and b) the Air standard efficiency.

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Define Mean Effective Pressure (MEP).
Write two pollutants in exhaust gasses and explain their effects on the human body and atmosphere.
State the function of the catalytic converter.
State the purpose of testing in the IC engine.
Give the limitations of selective Catalytic Reduction (SCR).

Explain with a neat sketch two-way catalytic convertor.
Determine: 1) Indicator power. 2) Fuel consumption.
What is the necessity of a heat balance sheet? Explain how the heat balance sheet of an IC engine is prepared.

Conclusion

In this post, we provided all IMP Questions of Power Engineering and Refrigeration. solve them using PER textbook.

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