Engineering Thermodynamics Carnot cycle consists of Two isothermal and two isentropic processes One constant volume, one constant pressure and two isentropic processes Two constant pressure and two isentropic processes Two constant volume and two isentropic processes Two isothermal and two isentropic processes One constant volume, one constant pressure and two isentropic processes Two constant pressure and two isentropic processes Two constant volume and two isentropic processes ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of Diesel cycle approaches to Otto cycle efficiency when Cut-off is zero Cut-off is constant Cut-off is increased Cut-off is decreased Cut-off is zero Cut-off is constant Cut-off is increased Cut-off is decreased 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 Internal energy Pressure Volume Temperature Internal energy Pressure Volume Temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The standard value of atmospheric pressure taken at sea level is 1.013 bar All of these 1013 × 102 N/m2 760 mm of Hg 1.013 bar All of these 1013 × 102 N/m2 760 mm of Hg ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When a gas is heated at constant volume Its pressure will increase Its temperature will increase Neither temperature nor pressure will increase Both temperature and pressure will increase Its pressure will increase Its temperature will increase Neither temperature nor pressure will increase Both temperature and pressure will increase 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) (v1 + v2)/v2 (v1 + v2)/v1 v1/v2 v2/v1 (v1 + v2)/v2 (v1 + v2)/v1 v1/v2 v2/v1 ANSWER DOWNLOAD EXAMIANS APP
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