Engineering Thermodynamics Otto cycle consists of Two constant volume and two isentropic processes One constant pressure, one constant volume and two isentropic processes Two constant pressure and two isentropic processes Two constant volume and two isothermal processes Two constant volume and two isentropic processes One constant pressure, one constant volume and two isentropic processes Two constant pressure and two isentropic processes Two constant volume and two isothermal processes ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The standard value of atmospheric pressure taken at sea level is 1.013 bar 760 mm of Hg 1013 × 102 N/m2 All of these 1.013 bar 760 mm of Hg 1013 × 102 N/m2 All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics One kg of ethylene (C2H4) requires 2 kg of oxygen and produces 22/7 kg of carbon dioxide and ___ kg of water or steam. 7/4 9/7 11/4 11/7 7/4 9/7 11/4 11/7 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Work-done during adiabatic expansion is given by (where p1 v1, T1 = Pressure, volume and temperature for the initial condition of gas, p2, v2, T2 = Corresponding values for the final condition of gas, R = Gas constant, and γ = Ratio of specific heats) [m R (T1 - T2)] /(γ - 1) [m R T1/(γ - 1)][1 - (p2, v2 /p1 v1)] (p1 v1 - p2, v2)/(γ - 1) All of these [m R (T1 - T2)] /(γ - 1) [m R T1/(γ - 1)][1 - (p2, v2 /p1 v1)] (p1 v1 - p2, v2)/(γ - 1) All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following is a reversible non-flow process? Isobaric process Isochoric process All of these Hyperbolic process Isobaric process Isochoric process All of these Hyperbolic process ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics An ideal gas as compared to a real gas at very high pressure occupies Unpredictable behavior Same volume Less volume More volume Unpredictable behavior Same volume Less volume More volume ANSWER DOWNLOAD EXAMIANS APP
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