Engineering Thermodynamics During which of the following process does heat rejection takes place in Carnot cycle? Isentropic compression Isentropic expansion Isothermal compression Isothermal expansion Isentropic compression Isentropic expansion Isothermal compression Isothermal expansion ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Kinetic theory of gases assumes that the collisions between the molecules are Partly inelastic Perfectly inelastic Perfectly elastic Partly elastic Partly inelastic Perfectly inelastic Perfectly elastic Partly elastic ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The condition for the reversibility of a cycle is The pressure and temperature of the working substance must not differ, appreciably, from those of the surroundings at any stage in the process All of these The working parts of the engine must be friction free All the processes, taking place in the cycle of operation, must be extremely slow The pressure and temperature of the working substance must not differ, appreciably, from those of the surroundings at any stage in the process All of these The working parts of the engine must be friction free All the processes, taking place in the cycle of operation, must be extremely slow ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics One kg of ethylene (C2H4) requires 2 kg of oxygen and produces 22/7 kg of carbon dioxide and ___ kg of water or steam. 7/4 11/4 9/7 11/7 7/4 11/4 9/7 11/7 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The ratio of two specific heats of air is equal to 0.1 0.17 0.24 1.41 0.1 0.17 0.24 1.41 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A cycle consisting of two isothermal and two isentropic processes, is known as Ericsson cycle Joule cycle Carnot cycle Stirling cycle Ericsson cycle Joule cycle Carnot cycle Stirling cycle ANSWER DOWNLOAD EXAMIANS APP