Engineering Thermodynamics When a gas is heated at constant volume Its temperature will increase Its pressure will increase Both temperature and pressure will increase Neither temperature nor pressure will increase Its temperature will increase Its pressure will increase Both temperature and pressure will increase Neither temperature nor pressure will increase ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A closed system is one in which Mass does not cross boundaries of the system, though energy may do so Mass crosses the boundary but not the energy Both energy and mass cross the boundaries of the system Neither mass nor energy crosses the boundaries of the system Mass does not cross boundaries of the system, though energy may do so Mass crosses the boundary but not the energy Both energy and mass cross the boundaries of the system Neither mass nor energy crosses the boundaries of the system ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to Clausius statement of second law of thermodynamics Heat can be transferred for low temperature to high temperature source by using refrigeration cycle Heat can Heat can be transferred from low temperature to high temperature source if COP of process is more than unity Heat can Heat can be transferred for low temperature to high temperature source by using refrigeration cycle Heat can Heat can be transferred from low temperature to high temperature source if COP of process is more than unity Heat can ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following is the correct statement? All the reversible engines have the same efficiency. Irreversible engines have maximum efficiency. All the reversible and irreversible engines have the same efficiency. All engines are designed as reversible in order to obtain maximum efficiency. All the reversible engines have the same efficiency. Irreversible engines have maximum efficiency. All the reversible and irreversible engines have the same efficiency. All engines are designed as reversible in order to obtain maximum efficiency. ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When coal is strongly heated continuously for 42 to 48 hours in the absence of air in a closed vessel, the process is known as __________ of fuel. Carbonization Combustion None of these Atomization Carbonization Combustion None of these Atomization ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The absolute zero pressure will be At sea level At the temperature of - 273 K At the center of the earth When molecular momentum of the system becomes zero At sea level At the temperature of - 273 K At the center of the earth When molecular momentum of the system becomes zero ANSWER DOWNLOAD EXAMIANS APP