Engineering Thermodynamics An isolated system is one in which Mass crosses the boundary but not the energy Mass does not cross boundaries of the system, though energy may do so Neither mass nor energy crosses the boundaries of the system Both energy and mass cross the boundaries of the system Mass crosses the boundary but not the energy Mass does not cross boundaries of the system, though energy may do so Neither mass nor energy crosses the boundaries of the system Both energy and mass cross the boundaries of the system ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The temperature at which the volume of a gas becomes zero is called Absolute temperature None of these Absolute scale of temperature Absolute zero temperature Absolute temperature None of these Absolute scale of temperature Absolute zero temperature 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 30 Nm 3000 Nm 300 Nm 300,000 Nm 30 Nm 3000 Nm 300 Nm 300,000 Nm ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics One kilowatt is equal to 100 N-m 1 N-m/s 1000 N-m/s 1 × 106 N-m/s 100 N-m 1 N-m/s 1000 N-m/s 1 × 106 N-m/s ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The heat absorbed or rejected by the working substance is given by (where ds = Increase or decrease of entropy, T = Absolute temperature, and dQ = Heat absorbed or rejected) δQ = T.ds dQ = ds/T δQ = T/ds None of the listed here δQ = T.ds dQ = ds/T δQ = T/ds None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The ratio of two specific heats of air is equal to 1.41 0.24 0.17 0.1 1.41 0.24 0.17 0.1 ANSWER DOWNLOAD EXAMIANS APP
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