Engineering Thermodynamics The general gas equation is (where p = Pressure, v = Volume, m = mass, T = Absolute temperature, and R = Gas constant) pv = RTm pv = mRT pv = (RT)m pvm = C pv = RTm pv = mRT pv = (RT)m pvm = C 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 the processes, taking place in the cycle of operation, must be extremely slow All of these 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 the processes, taking place in the cycle of operation, must be extremely slow All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The principal constituents of a fuel are Oxygen and hydrogen Sulphur and oxygen Carbon and hydrogen Sulphur and hydrogen Oxygen and hydrogen Sulphur and oxygen Carbon and hydrogen Sulphur and hydrogen ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If a gas vapour is allowed to expand through a very minute aperture, then such a process is known as Adiabatic expansion Free expansion Throttling Hyperbolic expansion Adiabatic expansion Free expansion Throttling Hyperbolic expansion ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The ratio of two specific heats of air is equal to 1.41 0.24 0.1 0.17 1.41 0.24 0.1 0.17 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When the gas is heated at constant volume, the heat supplied Increases the internal energy of the gas and increases the temperature of the gas None of these Does some external work during expansion Both (A) and (B) Increases the internal energy of the gas and increases the temperature of the gas None of these Does some external work during expansion Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
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