Engineering Thermodynamics
For same compression ratio and for same heat added

Otto cycle is more efficient than Diesel cycle
Both Otto and Diesel cycles are equally efficient
Diesel cycle is more efficient than Otto cycle
Efficiency depends on other factors

ANSWER DOWNLOAD EXAMIANS APP

Engineering Thermodynamics
The specific heat at constant volume is

Any one of the above
The amount of heat required to raise the temperature of unit mass of gas through one degree, at constant volume
The amount of heat required to raise the temperature of unit mass of gas through one degree, at constant pressure
The amount of heat required to raise the temperature of 1 kg of water through one degree

ANSWER DOWNLOAD EXAMIANS APP

Engineering Thermodynamics
An isolated system is one in which

Mass crosses the boundary but not the energy
Mass does not cross boundaries of the system, though energy may do so
Neither mass nor energy crosses the boundaries of the system
Both energy and mass cross the boundaries of the system

ANSWER DOWNLOAD EXAMIANS APP