Engineering Thermodynamics The efficiency of the Carnot cycle is (where T1 and T2 = Highest and lowest temperature during the cycle) 1 + (T2/T1) 1 - (T1/T2) 1 - (T2/T1) (T1/T2) - 1 1 + (T2/T1) 1 - (T1/T2) 1 - (T2/T1) (T1/T2) - 1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Boyle's law i.e. pV = constant is applicable to gases under Steady change of pressures Only small range of pressures All ranges of pressures High range of pressures Steady change of pressures Only small range of pressures All ranges of pressures High range of pressures ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Charles' law states that all perfect gases change in volume by __________ of its original volume at 0°C for every 1°C change in temperature, when pressure remains constant. 1/273th 1/93th 1/173th 1/27th 1/273th 1/93th 1/173th 1/27th ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Addition of heat at constant pressure to a gas results in Raising its temperature and doing external work Raising its temperature Raising its volume Raising its pressure Raising its temperature and doing external work Raising its temperature Raising its volume Raising its pressure ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to First law of thermodynamics, Total internal energy of a system during a process remains constant Internal energy, enthalpy and entropy during a process remain constant Work-done by a system is equal to the heat transferred by the system Total energy of a system remains constant Total internal energy of a system during a process remains constant Internal energy, enthalpy and entropy during a process remain constant Work-done by a system is equal to the heat transferred by the system Total energy of a system remains constant ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics One watt is equal to 1 Nm/hr 1 N/m 1 kNm/hr 1 Nm/s 1 Nm/hr 1 N/m 1 kNm/hr 1 Nm/s ANSWER DOWNLOAD EXAMIANS APP