Engineering Thermodynamics In an isothermal process, the internal energy of gas molecules May increase/decrease depending on the properties of gas Remain constant Decreases Increases May increase/decrease depending on the properties of gas Remain constant Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of Carnot cycle depends upon Temperature limits Pressure ratio Volume compression ratio Cut-off ratio and compression ratio Temperature limits Pressure ratio Volume compression ratio Cut-off ratio and compression ratio ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The air standard efficiency of an Otto cycle is given by (where r = Compression ratio, and γ = Ratio of specific heats) 1 + rγ - 1 1 + (1/ rγ - 1) 1 - rγ - 1 1 - (1/ rγ - 1) 1 + rγ - 1 1 + (1/ rγ - 1) 1 - rγ - 1 1 - (1/ rγ - 1) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following variables controls the physical properties of a perfect gas? Pressure Volume All of these Temperature Pressure Volume All of these Temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Carnot cycle consists of Two constant pressure and two isentropic processes One constant volume, one constant pressure and two isentropic processes Two isothermal and two isentropic processes Two constant volume and two isentropic processes Two constant pressure and two isentropic processes One constant volume, one constant pressure and two isentropic processes Two isothermal and two isentropic processes Two constant volume and two isentropic processes 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)/v1 (v1 + v2)/v2 v2/v1 v1/v2 (v1 + v2)/v1 (v1 + v2)/v2 ANSWER DOWNLOAD EXAMIANS APP
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