Engineering Thermodynamics In an isothermal process, the internal energy First increases and then decreases Increases Decreases Remain constant First increases and then decreases Increases Decreases Remain constant ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In closed cycle gas turbine, the air is compressed Polytropically None of these Isothermally Isentropically Polytropically None of these Isothermally Isentropically ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A closed system is one in which Neither mass nor energy crosses the boundaries of the system Mass crosses the boundary but not the energy Both energy and mass cross the boundaries of the system Mass does not cross boundaries of the system, though energy may do so Neither mass nor energy crosses the boundaries of the system Mass crosses the boundary but not the energy Both energy and mass cross the boundaries of the system Mass does not cross boundaries of the system, though energy may do so ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If a fluid expands suddenly into vacuum through an orifice of large dimension, then such a process is called Hyperbolic expansion Adiabatic expansion Parabolic expansion Free expansion Hyperbolic expansion Adiabatic expansion Parabolic expansion Free expansion ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following is the correct statement? All engines are designed as reversible in order to obtain maximum efficiency. All the reversible and irreversible engines have the same efficiency. Irreversible engines have maximum efficiency. All the reversible engines have the same efficiency. All engines are designed as reversible in order to obtain maximum efficiency. All the reversible and irreversible engines have the same efficiency. Irreversible engines have maximum efficiency. All the reversible engines have the same efficiency. 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 pressure Raising its volume Raising its temperature Raising its temperature and doing external work Raising its pressure Raising its volume Raising its temperature ANSWER DOWNLOAD EXAMIANS APP