Engineering Thermodynamics In a reversible adiabatic process, the ratio of T1/T2 is equal to (v1/v2)γ - 1/ γ (v2/v1)γ - 1/ γ (p2/p1)γ - 1/ γ (p1/p2)γ - 1/ γ (v1/v2)γ - 1/ γ (v2/v1)γ - 1/ γ (p2/p1)γ - 1/ γ (p1/p2)γ - 1/ γ ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The area under the temperature-entropy curve (T – s curve) of any thermodynamic process represents Heat rejected Either heat absorbed or heat rejected None of the listed here Heat absorbed Heat rejected Either heat absorbed or heat rejected None of the listed here Heat absorbed ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Change in enthalpy in a closed system is equal to heat transferred if the reversible process takes place at constant Temperature Internal energy Pressure Volume Temperature Internal energy Pressure Volume ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The ideal efficiency of a Brayton cycle without regeneration, with increase in pressure ratio will Decrease Increase Increase/decrease depending on application Remain unchanged Decrease Increase Increase/decrease depending on application Remain unchanged ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics First law of thermodynamics deals with Conservation of energy Conservation of heat Conservation of mass Conservation of momentum Conservation of energy Conservation of heat Conservation of mass Conservation of momentum ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics For a perfect gas, according to Boyle’s law (where P = Absolute pressure, V = Volume and T = Absolute temperature) P/T = constant, if v is kept constant V/T = constant, if p is kept constant P v = constant, if T is kept constant T/P = constant, if v is kept constant P/T = constant, if v is kept constant V/T = constant, if p is kept constant P v = constant, if T is kept constant T/P = constant, if v is kept constant ANSWER DOWNLOAD EXAMIANS APP