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 Theoretically possible Cost will be very high May be possible with lot of sophistications Not possible Theoretically possible Cost will be very high May be possible with lot of sophistications Not possible ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If in the equation pvn = C, the value of n = ∝, then the process is called Isothermal process Constant pressure process Constant volume process Adiabatic process Isothermal process Constant pressure process Constant volume process Adiabatic process ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In an isothermal process, the internal energy First increases and then decreases Remain constant Decreases Increases First increases and then decreases Remain constant Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A cycle consisting of ___ and two isothermal processes is known as Stirling cycle. Two constant pressure One constant pressure, one constant volume Two constant volume Two isentropic Two constant pressure One constant pressure, one constant volume Two constant volume Two isentropic ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A diathermic wall is one which Permits thermal interaction Prevents thermal interaction Encourages thermal interaction Discourages thermal interaction Permits thermal interaction Prevents thermal interaction Encourages thermal interaction Discourages thermal interaction ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In a no flow reversible process for which p = (-3V + 15) × 105 N/m², V changes from 1 m3 to 2 m3. The work done will be about 1 × 10⁵ joules 10 × 10⁵ kilo joules 100 × 10⁵ joules 10 × 10⁵ joules 1 × 10⁵ joules 10 × 10⁵ kilo joules 100 × 10⁵ joules 10 × 10⁵ joules ANSWER DOWNLOAD EXAMIANS APP
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