Engineering Thermodynamics Otto cycle efficiency is higher than Diesel cycle efficiency for the same compression ratio and heat input because in Otto cycle Maximum temperature is higher Combustion is at constant volume Heat rejection is lower Expansion and compression are isentropic Maximum temperature is higher Combustion is at constant volume Heat rejection is lower Expansion and compression are isentropic ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Boyle's law i.e. pV = constant is applicable to gases under Steady change of pressures All ranges of pressures Only small range of pressures High range of pressures Steady change of pressures All ranges of pressures Only small range of pressures High range of pressures ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics One molecule of oxygen is __________ times heavier than the hydrogen atom. 16 12 32 14 16 12 32 14 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of the Carnot cycle may be increased by Decreasing the highest temperature Increasing the lowest temperature Increasing the highest temperature Keeping the lowest temperature constant Decreasing the highest temperature Increasing the lowest temperature Increasing the highest temperature Keeping the lowest temperature constant ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following quantities is not the property of the system? Pressure Temperature Specific volume Heat Pressure Temperature Specific volume Heat ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The fuel mostly used in steam boilers is Coking bituminous coal Non-coking bituminous coal Peat Brown coal Coking bituminous coal Non-coking bituminous coal Peat Brown coal ANSWER DOWNLOAD EXAMIANS APP