Engineering Thermodynamics The unit of pressure in S.I. units is Pascal mm of water column kg/cm² Dyne per square cm Pascal mm of water column kg/cm² Dyne per square cm ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to Gay Lussac’s law for a perfect gas, the absolute pressure of given mass varies directly as None of these Temperature Absolute temperature, if volume is kept constant Volume, if temperature is kept constant None of these Temperature Absolute temperature, if volume is kept constant Volume, if temperature is kept constant ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Properties of substances like pressure, temperature and density, in thermodynamic coordinates are Real functions Cyclic functions Point functions Path functions Real functions Cyclic functions Point functions Path functions 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 The efficiency of a gas turbine is given by (Isentropic increase in temperature)/(Actual increase in temperature) (Actual temperature drop)/(Isentropic temperature drop) (Net work output)/(Heat supplied) (Net work output)/(Work-done by the turbine) (Isentropic increase in temperature)/(Actual increase in temperature) (Actual temperature drop)/(Isentropic temperature drop) (Net work output)/(Heat supplied) (Net work output)/(Work-done by the turbine) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The value of cp/cv for air is 2.3 1.4 1.45 1 2.3 1.4 1.45 1 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS