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GATE 2022 ME: RAC, PPE & IC Engines Quiz - 10

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Question 1

Shown below is the P-V diagram of a diesel cycle. Which of the following represents the cut-off ratio?

Question 2

Stirling Cycle has ______.

Question 3

In a compression ignition engine, the inlet air pressure is 1 bar and the pressure at the end of isentropic compression is 32.42 bar. The expansion ratio is 8. Assuming ratio of specific heats (γ) as 1.4, the air standard efficiency (in percent) is ____

Question 4

The compression ratio for diesel engines lies in the range of _______.

Question 5

An ideal spark ignition engine has a compression ratio of 9. What is its Air standard efficiency if ratio of specific heats is 1.5?

Question 6

An Otto cycle has a compression ratio of 8. If 250 kJ of work is extracted from the cycle, the heat rejected by the cycle is
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