Engineering Thermodynamics The compression ratio for Diesel engines is 15 to 20 5 to 8 20 to 30 3 to 6 15 to 20 5 to 8 20 to 30 3 to 6 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 When the gas is cooled at constant pressure, Its volume increases but temperature decreases Both temperature and volume increases Both temperature and volume decreases Its temperature increases but volume decreases Its volume increases but temperature decreases Both temperature and volume increases Both temperature and volume decreases Its temperature increases but volume decreases ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The processes occurring in open system which permit the transfer of mass to and from the system, are known as Non-flow processes Adiabatic processes None of the listed here Flow processes Non-flow processes Adiabatic processes None of the listed here Flow processes ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Otto cycle is also known as Constant temperature cycle Constant temperature and pressure cycle Constant pressure cycle Constant volume cycle Constant temperature cycle Constant temperature and pressure cycle Constant pressure cycle Constant volume cycle ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The expansion ratio (r) is the ratio of (where v1 = Volume at the beginning of expansion, and v2 = Volume at the end of expansion) (v1 + v2)/v1 v2/v1 (v1 + v2)/v2 v1/v2 (v1 + v2)/v1 v2/v1 (v1 + v2)/v2 v1/v2 ANSWER DOWNLOAD EXAMIANS APP