Engineering Thermodynamics The first law of thermodynamics is the law of Conservation of heat Conservation of mass Conservation of energy Conservation of momentum Conservation of heat Conservation of mass Conservation of energy Conservation of momentum ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If the value of n = 0 in the equation pvn = C, then the process is called Adiabatic process Constant pressure process Constant volume process Isothermal process Adiabatic process Constant pressure process Constant volume process Isothermal process ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If a certain amount of dry ice is mixed with same amount of water at 80°C, the final temperature of mixture will be 80°C 40°C 20°C 0°C 80°C 40°C 20°C 0°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Isochoric process is one in which All parameters remain constant No mechanical work is done by the system Very little mechanical work is done by the system Free expansion takes place All parameters remain constant No mechanical work is done by the system Very little mechanical work is done by the system Free expansion takes place ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following is the correct statement? All the reversible engines have the same efficiency. All the reversible and irreversible engines have the same efficiency. Irreversible engines have maximum efficiency. All engines are designed as reversible in order to obtain maximum efficiency. All the reversible engines have the same efficiency. All the reversible and irreversible engines have the same efficiency. Irreversible engines have maximum efficiency. All engines are designed as reversible in order to obtain maximum efficiency. ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of the Carnot cycle may be increased by Keeping the lowest temperature constant Increasing the highest temperature Decreasing the highest temperature Increasing the lowest temperature Keeping the lowest temperature constant Increasing the highest temperature Decreasing the highest temperature Increasing the lowest temperature ANSWER DOWNLOAD EXAMIANS APP