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RVUNL ME || IC Engine || Quiz 1
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Question 1
The Otto cycle thermal efficiency, with usual notation, is given as, where r is compression ratio and γ is the adiabatic index
Question 2
The efficiency of Diesel cycle with decrease in cut off ratio
Question 3
A diesel engine has a compression ratio of 20 and cut-off takes place at 10% of the stroke. What is the cut-off ratio?
Question 4
An engine is required 150 kW brake power. The mechanical efficiency of the engine is 75%. The frictional power is
Question 5
A six cylinder engine working on an Otto cycle has bore and stroke are 20 cm and 35 cm respectively, total clearance volume is 8335 cm3. What is the compression ratio _________?
Question 6
Keeping other parameters constant, the brake power of diesel engine can be increased by?
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Jun 15AE & JE Exams
