Engineering Thermodynamics A tri-atomic molecule consists of __________ atoms. Two Three One Four Two Three One Four ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Change in internal energy in a closed system is equal to heat transferred if the reversible process takes place at constant Volume Temperature Pressure Internal energy Volume Temperature Pressure Internal energy ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Energy can neither be created nor destroyed but can be converted from one form to other is inferred from Second law to thermodynamics First law of thermodynamics Basic law of thermodynamics Zeroth low of thermodynamic Second law to thermodynamics First law of thermodynamics Basic law of thermodynamics Zeroth low of thermodynamic 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 Isothermal process Constant volume process Adiabatic process Constant pressure process Isothermal process Constant volume process ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The condition for the reversibility of a cycle is All the processes, taking place in the cycle of operation, must be extremely slow The working parts of the engine must be friction free All of these The pressure and temperature of the working substance must not differ, appreciably, from those of the surroundings at any stage in the process All the processes, taking place in the cycle of operation, must be extremely slow The working parts of the engine must be friction free All of these The pressure and temperature of the working substance must not differ, appreciably, from those of the surroundings at any stage in the process ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following is the correct statement of the second law of thermodynamics? 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 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 ANSWER DOWNLOAD EXAMIANS APP