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 The working parts of the engine must be friction free All of these All the processes, taking place in the cycle of operation, must be extremely slow 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 of these All the processes, taking place in the cycle of operation, must be extremely slow ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The unit of time in S.I. units is Hour Second Minute Day Hour Second Minute Day ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The amount of heat required to raise the temperature of __________ water through one degree is called kilojoules. 100 g 10 g 1 g 1000 g 100 g 10 g 1 g 1000 g ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Carnot cycle consists of Two constant pressure and two isentropic processes Two isothermal and two isentropic processes One constant volume, one constant pressure and two isentropic processes Two constant volume and two isentropic processes Two constant pressure and two isentropic processes Two isothermal and two isentropic processes One constant volume, one constant pressure and two isentropic processes Two constant volume and two isentropic processes ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The ideal efficiency of a Brayton cycle with regeneration, with increase in pressure ratio will Increase Decrease Increase/decrease depending on application Remain unchanged Increase Decrease Increase/decrease depending on application Remain unchanged ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The value of n = 1 in the polytropic process indicates it to be Reversible process Adiabatic process Irreversible process Isothermal process Reversible process Adiabatic process Irreversible process Isothermal process ANSWER DOWNLOAD EXAMIANS APP
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