Engineering Thermodynamics The efficiency of the Carnot cycle is (where T1 and T2 = Highest and lowest temperature during the cycle) 1 - (T1/T2) (T1/T2) - 1 1 - (T2/T1) 1 + (T2/T1) 1 - (T1/T2) (T1/T2) - 1 1 - (T2/T1) 1 + (T2/T1) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to Regnault's law, the specific heat at constant pressure (cp) and specific heat at constant volume (cv) _________ with the change in pressure and temperature of the gas. Both (A) and (B) Change Do not change None of these Both (A) and (B) Change Do not change None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Change in internal energy in a closed system is equal to heat transferred if the reversible process takes place at constant Temperature Internal energy Volume Pressure Temperature Internal energy Volume Pressure ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The gas constant (R) is equal to the Product of two specific heats Difference of two specific heats Sum of two specific heats Ratio of two specific heats Product of two specific heats Difference of two specific heats Sum of two specific heats Ratio of two specific heats ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The expansion ratio (r) is the ratio of (where v1 = Volume at the beginning of expansion, and v2 = Volume at the end of expansion) v2/v1 v1/v2 (v1 + v2)/v2 (v1 + v2)/v1 v2/v1 v1/v2 (v1 + v2)/v2 (v1 + v2)/v1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If a gas vapour is allowed to expand through a very minute aperture, then such a process is known as Adiabatic expansion Hyperbolic expansion Free expansion Throttling Adiabatic expansion Hyperbolic expansion Free expansion Throttling ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS