Engineering Thermodynamics The general gas energy equation is (where Q1 - 2 = Heat supplied, dU = Change in internal energy, and W1 - 2 = Work done in heat units) Q1 - 2 = dU/W1 - 2 Q1 - 2 = dU × W1 - 2 Q1 - 2 = dU - W1 - 2 Q1 - 2 = dU + W1 - 2 Q1 - 2 = dU/W1 - 2 Q1 - 2 = dU × W1 - 2 Q1 - 2 = dU - W1 - 2 Q1 - 2 = dU + W1 - 2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics For a perfect gas, according to Boyle’s law (where P = Absolute pressure, V = Volume and T = Absolute temperature) T/P = constant, if v is kept constant V/T = constant, if p is kept constant P/T = constant, if v is kept constant P v = constant, if T is kept constant T/P = constant, if v is kept constant V/T = constant, if p is kept constant P/T = constant, if v is kept constant P v = constant, if T is kept constant ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The value of the product of molecular weight and the gas characteristic constant for all the gases in S.I. units is 848 J/kmol °K 83.14 J/kmol °K 735 J/kmol °K 29.27 J/kmol °K 848 J/kmol °K 83.14 J/kmol °K 735 J/kmol °K 29.27 J/kmol °K ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The unit of length in S.I. units is Meter Kilometer Centimeter Millimeter Meter Kilometer Centimeter Millimeter ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Carnot cycle efficiency is maximum when Final temperature is 0°K Initial temperature is 0°K Difference between initial and final temperature is 0°K Final temperature is 0°C Final temperature is 0°K Initial temperature is 0°K Difference between initial and final temperature is 0°K Final temperature is 0°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The condition for the reversibility of a cycle is 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 The working parts of the engine must be friction free ANSWER DOWNLOAD EXAMIANS APP
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