railway RRB JE (CBT I + CBT II) Mock Test 2024 Internal Combustion Engine Engine Performance Parameter Power and Efficiency
Consider the following statements:
1. The air standard efficiency of an Otto cycle is a function of the properties of the working substance (gas)
2. For the same compression ratio and same input, the thermal efficiency of an Otto cycle is more than that of a Diesel cycle
3. Thermal efficiency of a Diesel cycle increases with decrease of cut-off ratio
Which of the above statements are correct?
1
1 and 2 only
2
1 and 3 only
3
2 and 3 only
4
1, 2 and 3