Engineering Thermodynamics If heat be exchanged in a reversible manner, which of the following property of the working substance will change accordingly Internal energy Enthalpy Entropy Temperature Internal energy Enthalpy Entropy Temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following is the correct statement of the second law of thermodynamics? There is a definite amount of mechanical energy, which can be obtained from a given quantity of heat energy All of these It is impossible to transfer heat from a body at a lower temperature to a higher temperature, without the aid of an external source It is impossible to construct an engine working on a cyclic process, whose sole purpose is to convert heat energy into work There is a definite amount of mechanical energy, which can be obtained from a given quantity of heat energy All of these It is impossible to transfer heat from a body at a lower temperature to a higher temperature, without the aid of an external source It is impossible to construct an engine working on a cyclic process, whose sole purpose is to convert heat energy into work ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of a Carnot engine depends on Design of engine Temperatures of source and sink Size of engine Working substance Design of engine Temperatures of source and sink Size of engine Working substance ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency and work ratio of a simple gas turbine cycle are High Very low Very high Low High Very low Very high Low ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of Diesel cycle approaches to Otto cycle efficiency when Cut-off is zero Cut-off is decreased Cut-off is increased Cut-off is constant Cut-off is zero Cut-off is decreased Cut-off is increased Cut-off is constant ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Zeroth law of thermodynamics Deals with reversibility and irreversibility of process Deals with heat engines States that if two systems are both in equilibrium with a third system, they are in thermal equilibrium with each other Deals with conversion of mass and energy Deals with reversibility and irreversibility of process Deals with heat engines States that if two systems are both in equilibrium with a third system, they are in thermal equilibrium with each other Deals with conversion of mass and energy ANSWER DOWNLOAD EXAMIANS APP