Engineering Thermodynamics The thermal efficiency of an ideal gas turbine plant is given by (where r = Pressure ratio) 1 - rγ - 1 rγ - 1 1 - (1/r) γ/γ - 1 1 - (1/r) γ - 1/ γ 1 - rγ - 1 rγ - 1 1 - (1/r) γ/γ - 1 1 - (1/r) γ - 1/ γ ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Boyle's law i.e. pV = constant is applicable to gases under High range of pressures Only small range of pressures Steady change of pressures All ranges of pressures High range of pressures Only small range of pressures Steady change of pressures All ranges of pressures ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The ideal efficiency of a Brayton cycle with regeneration, with increase in pressure ratio will Increase/decrease depending on application Decrease Increase Remain unchanged Increase/decrease depending on application Decrease Increase Remain unchanged 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 molecular mass expressed in gram (i.e. 1 g - mole) of all gases, at N. T. P., occupies a volume of 224 liters 2.24 liters 0.224 liters 22.4 liters 224 liters 2.24 liters 0.224 liters 22.4 liters ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The unit of pressure in S.I. units is Dyne per square cm mm of water column Pascal kg/cm² Dyne per square cm mm of water column Pascal kg/cm² ANSWER DOWNLOAD EXAMIANS APP
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