Engineering Thermodynamics The absolute zero pressure can be attained at a temperature of None of these -273°C 273 K 0°C None of these -273°C 273 K 0°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If in the equation pvn = C, the value of n = ∝, then the process is called Constant volume process Isothermal process Adiabatic process Constant pressure process Constant volume process Isothermal process Adiabatic process Constant pressure process ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The heat absorbed or rejected by the working substance is given by (where ds = Increase or decrease of entropy, T = Absolute temperature, and dQ = Heat absorbed or rejected) δQ = T/ds dQ = ds/T δQ = T.ds None of the listed here δQ = T/ds dQ = ds/T δQ = T.ds None of the listed here ANSWER DOWNLOAD EXAMIANS APP
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 The working parts of the engine must be friction free 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 All the processes, taking place in the cycle of operation, must be extremely slow The working parts of the engine must be friction free All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The property of a working substance which increases or decreases as the heat is supplied or removed in a reversible manner, is known as Entropy Internal energy External energy Enthalpy Entropy Internal energy External energy Enthalpy ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The process is adiabatic, if the value of n in the equation pvn = C, is One Zero ∝ γ One Zero ∝ γ ANSWER DOWNLOAD EXAMIANS APP