Engineering Thermodynamics The ideal efficiency of a Brayton cycle without regeneration, with increase in pressure ratio will Remain unchanged Increase/decrease depending on application Decrease Increase Remain unchanged Increase/decrease depending on application Decrease Increase 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 All the processes, taking place in the cycle of operation, must be extremely slow All of these The pressure and temperature of the working substance must not differ, appreciably, from those of the surroundings at any stage in the process The working parts of the engine must be friction free All the processes, taking place in the cycle of operation, must be extremely slow All of these The pressure and temperature of the working substance must not differ, appreciably, from those of the surroundings at any stage in the process ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of a gas turbine is given by (Actual temperature drop)/(Isentropic temperature drop) (Net work output)/(Work-done by the turbine) (Isentropic increase in temperature)/(Actual increase in temperature) (Net work output)/(Heat supplied) (Actual temperature drop)/(Isentropic temperature drop) (Net work output)/(Work-done by the turbine) (Isentropic increase in temperature)/(Actual increase in temperature) (Net work output)/(Heat supplied) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The thermodynamic difference between a Rankine cycle working with saturated steam and the Carnot cycle is that Carnot cycle can't work with saturated steam Rankine cycle is hypothetical A Rankine cycle receives heat at two places Heat is supplied to water at temperature below the maximum temperature of the cycle Carnot cycle can't work with saturated steam Rankine cycle is hypothetical A Rankine cycle receives heat at two places Heat is supplied to water at temperature below the maximum temperature of the cycle ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Measurement of temperature is based on First law of thermodynamics Second law of thermodynamics Thermodynamic properties Zeroth law of thermodynamics First law of thermodynamics Second law of thermodynamics Thermodynamic properties Zeroth law of thermodynamics ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The index of compression ‘n’ tends to reach ratio of specific heats ‘y’ when Process is isentropic and specific heat does not change with temperature Flow is uniform and steady Process is isentropic Process is isothermal Process is isentropic and specific heat does not change with temperature Flow is uniform and steady Process is isentropic Process is isothermal ANSWER DOWNLOAD EXAMIANS APP
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