Engineering Thermodynamics Energy can neither be created nor destroyed, but it can be transformed from one form to another. This statement is known as Zeroth law of thermodynamics Second law of thermodynamics Kinetic theory of gases First law of thermodynamics Zeroth law of thermodynamics Second law of thermodynamics Kinetic theory of gases First law of thermodynamics ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A process, in which the gas is heated or expanded in such a way that the product of its pressure and volume remains constant, is called Polytropic process Adiabatic process Hyperbolic process Isothermal process Polytropic process Adiabatic process Hyperbolic process Isothermal process ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The general gas equation is (where p = Pressure, v = Volume, m = mass, T = Absolute temperature, and R = Gas constant) pv = RTm pvm = C pv = (RT)m pv = mRT pv = RTm pvm = C pv = (RT)m pv = mRT ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A perpetual motion machine is A hypothetical machine whose operation would violate the laws of thermodynamics A thermodynamic machine A non-thermodynamic machine A hypothetical machine A hypothetical machine whose operation would violate the laws of thermodynamics A thermodynamic machine A non-thermodynamic machine A hypothetical machine ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following is the correct statement of the second law of thermodynamics? It is impossible to transfer heat from a body at a lower temperature to a higher temperature, without the aid of an external source There is a definite amount of mechanical energy, which can be obtained from a given quantity of heat energy It is impossible to construct an engine working on a cyclic process, whose sole purpose is to convert heat energy into work 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 There is a definite amount of mechanical energy, which can be obtained from a given quantity of heat energy It is impossible to construct an engine working on a cyclic process, whose sole purpose is to convert heat energy into work All of these 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 40°C 0°C 20°C 80°C 40°C 0°C 20°C 80°C ANSWER DOWNLOAD EXAMIANS APP