Engineering Thermodynamics One reversible heat engine operates between 1600 K and T2 K and another reversible heat engine operates between T2 K and 400 K. If both the engines have the same heat input and output, then temperature T2 is equal to 1400 K 1000 K 1200 K 800 K 1400 K 1000 K 1200 K 800 K ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The specific heat at constant volume is The amount of heat required to raise the temperature of unit mass of gas through one degree, at constant pressure 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 1 kg of water through one degree The amount of heat required to raise the temperature of unit mass of gas through one degree, at constant pressure 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 1 kg of water through one degree ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Otto cycle consists of following four processes Two isentropic, one constant volume and one constant pressure Two isothermal and two isentropic Two isentropic and two constant volumes Two isentropic and two constant pressures Two isentropic, one constant volume and one constant pressure Two isothermal and two isentropic Two isentropic and two constant volumes Two isentropic and two constant pressures ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics During throttling process No work is done by expanding steam All of these Heat exchange does not take place There is no change of internal energy of steam No work is done by expanding steam All of these Heat exchange does not take place There is no change of internal energy of steam ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Entropy change depends on Heat transfer Change of temperature Mass transfer Thermodynamic state Heat transfer Change of temperature Mass transfer Thermodynamic state ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of the Carnot cycle is (where T1 and T2 = Highest and lowest temperature during the cycle) 1 - (T1/T2) (T1/T2) - 1 1 + (T2/T1) 1 - (T2/T1) 1 - (T1/T2) (T1/T2) - 1 1 + (T2/T1) 1 - (T2/T1) ANSWER DOWNLOAD EXAMIANS APP