engineering recuitment HPCL Junior Executive 2025 Mock Test Internal Combustion Engine IC Engine Cycles Diesel Cycle
For a 4 – stroke diesel engine, the compression ratio is 21 : 1 and cut-off ratio is 2 : 1. What is its expansion ratio?
1
7 : 1
2
10.5 : 1
3
12 : 1
4
19 : 1