Engineering Thermodynamics The polytropic index (n) is given by log (p1p2)/log (v1v2) log [(p1v1)/(p2v2)] log (p2/ p1)/log (v1/ v2) log (v1/ v2)/ log (p1/p2) log (p1p2)/log (v1v2) log [(p1v1)/(p2v2)] log (p2/ p1)/log (v1/ v2) log (v1/ v2)/ log (p1/p2) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following quantities is not the property of the system? Heat Temperature Pressure Specific volume Heat Temperature Pressure Specific volume ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The unit of energy is S. I. units is Joule meter (Jm) Joule (J) Watt (W) Joule/meter (J/m) Joule meter (Jm) Joule (J) Watt (W) Joule/meter (J/m) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics An isothermal process is governed by Charles' law Boyle's law Avogadro's law Gay-Lussac law Charles' law Boyle's law Avogadro's law Gay-Lussac law 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 300,000 Nm 3000 Nm 30 Nm 300 Nm 300,000 Nm 3000 Nm 30 Nm 300 Nm 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
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