Engineering Thermodynamics Universal gas constant is defined as equal to product of the molecular weight of the gas and Specific heat at constant pressure Specific heat at constant volume Ratio of two specific heats Gas constant Specific heat at constant pressure Specific heat at constant volume Ratio of two specific heats Gas constant ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The condition for the reversibility of a cycle is The working parts of the engine must be friction free The pressure and temperature of the working substance must not differ, appreciably, from those of the surroundings at any stage in the process All of these All the processes, taking place in the cycle of operation, must be extremely slow The working parts of the engine must be friction free The pressure and temperature of the working substance must not differ, appreciably, from those of the surroundings at any stage in the process All of these All the processes, taking place in the cycle of operation, must be extremely slow ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The heat and work are mutually convertible. This statement is called ___ law of thermodynamics. Third Zeroth First Second Third Zeroth First Second ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The area under the temperature-entropy curve (T – s curve) of any thermodynamic process represents None of the listed here Heat absorbed Heat rejected Either heat absorbed or heat rejected None of the listed here Heat absorbed Heat rejected Either heat absorbed or heat rejected ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A gas is compressed in a cylinder by a movable piston to a volume one half its original volume. During the process 300 kJ heat left the gas and internal energy remained same. The work done on gas in Nm will be 300 Nm 30 Nm 300,000 Nm 3000 Nm 300 Nm 30 Nm 300,000 Nm 3000 Nm ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In an isothermal process, the internal energy of gas molecules Decreases Increases May increase/decrease depending on the properties of gas Remain constant Decreases Increases May increase/decrease depending on the properties of gas Remain constant ANSWER DOWNLOAD EXAMIANS APP
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