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 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 The working parts of the engine must be friction free ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In open cycle gas turbine plants Direct combustion systems is used All of these The indirect heat exchanger and cooler is avoided A condenser is used Direct combustion systems is used All of these The indirect heat exchanger and cooler is avoided A condenser is used ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The amount of heat required to raise the temperature of 1 kg of water through one Kelvin is called Specific heat at constant volume kilo-Joule Specific heat at constant pressure None of these Specific heat at constant volume kilo-Joule Specific heat at constant pressure None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A manufacturer claims to have a heat engine capable of developing 20 h.p. by receiving heat input of 400 kcal/mt and working between the temperature limits of 227° C and 27° C. His claim is Cost will be very high Theoretically possible May be possible with lot of sophistications Not possible Cost will be very high Theoretically possible May be possible with lot of sophistications Not possible ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Properties of substances like pressure, temperature and density, in thermodynamic coordinates are Point functions Real functions Cyclic functions Path functions Point functions Real functions Cyclic functions Path functions ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The state of a substance whose evaporation from its liquid state is complete, is known as Vapour Perfect gas Air Steam Vapour Perfect gas Air Steam ANSWER DOWNLOAD EXAMIANS APP
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