Engineering Thermodynamics According to Kelvin-Planck's statement, a perpetual motion of the __________ is impossible. First kind None of these Third kind Second kind First kind None of these Third kind Second kind ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The area under the temperature-entropy curve (T – s curve) of any thermodynamic process represents Either heat absorbed or heat rejected None of the listed here Heat rejected Heat absorbed Either heat absorbed or heat rejected None of the listed here Heat rejected Heat absorbed 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 A path 1-2-3 is given. A system absorbs 100 kJ as heat and does 60 kJ of work while along the path 1-4-3, it does 20 kJ of work. The heat absorbed during the cycle 1-4-3 is -140 kJ -80 kJ -40 kJ +60 kJ -140 kJ -80 kJ -40 kJ +60 kJ ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The more effective way of increasing efficiency of Carnot engine is to Decrease lower temperature Increase lower temperature Decrease higher temperature Increase higher temperature Decrease lower temperature Increase lower temperature Decrease higher temperature Increase higher temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A perpetual motion machine is A hypothetical machine A non-thermodynamic machine A thermodynamic machine A hypothetical machine whose operation would violate the laws of thermodynamics A hypothetical machine A non-thermodynamic machine A thermodynamic machine A hypothetical machine whose operation would violate the laws of thermodynamics ANSWER DOWNLOAD EXAMIANS APP
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