Engineering Thermodynamics If heat be exchanged in a reversible manner, which of the following property of the working substance will change accordingly Entropy Enthalpy Temperature Internal energy Entropy Enthalpy Temperature Internal energy ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The condition of perfect vacuum, i.e., absolute zero pressure can be attained at A negative pressure and 0°C temperature A temperature of 0°C A temperature of - 273.16°C A temperature of 273 °K A negative pressure and 0°C temperature A temperature of 0°C A temperature of - 273.16°C A temperature of 273 °K ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics First law of thermodynamics Provides relationship between heat, work and internal energy Enables to determine change in internal energy of the system All of these Does not enable to determine change in entropy Provides relationship between heat, work and internal energy Enables to determine change in internal energy of the system All of these Does not enable to determine change in entropy ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of Carnot cycle depends upon Pressure ratio Temperature limits Cut-off ratio and compression ratio Volume compression ratio Pressure ratio Temperature limits Cut-off ratio and compression ratio Volume compression ratio ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Universal gas constant is defined as equal to product of the molecular weight of the gas and Specific heat at constant volume Gas constant Specific heat at constant pressure Ratio of two specific heats Specific heat at constant volume Gas constant Specific heat at constant pressure Ratio of two specific heats ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to Clausius statement of second law of thermodynamics Heat can Heat can Heat can be transferred from low temperature to high temperature source if COP of process is more than unity Heat can be transferred for low temperature to high temperature source by using refrigeration cycle Heat can Heat can Heat can be transferred from low temperature to high temperature source if COP of process is more than unity Heat can be transferred for low temperature to high temperature source by using refrigeration cycle ANSWER DOWNLOAD EXAMIANS APP