Engineering Thermodynamics The efficiency of Diesel cycle approaches to Otto cycle efficiency when Cut-off is increased Cut-off is constant Cut-off is zero Cut-off is decreased Cut-off is increased Cut-off is constant Cut-off is zero Cut-off is decreased ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Relation between cp and cv is given by (where cp = Specific heat at constant pressure, cv = Specific heat at constant volume, γ = cp/cv, known as adiabatic index, and R = Gas constant) cv/ cp =R Both (B) and (C) cv = R/ γ-1 cp - cv = R cv/ cp =R Both (B) and (C) cv = R/ γ-1 cp - cv = R ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A gas is compressed in a cylinder by a movable piston to a volume one half its original volume. During the process 300 kJ heat left the gas and internal energy remained same. The work done on gas in Nm will be 300 Nm 300,000 Nm 30 Nm 3000 Nm 300 Nm 300,000 Nm 30 Nm 3000 Nm ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If both Stirling and Carnot cycles operate within the same temperature limits, then efficiency of Stirling cycle as compared to Carnot cycle Depends on other factors Equal Less More Depends on other factors Equal Less More ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Kinetic energy of the molecules in terms of absolute temperature (T) is proportional to T Vr J² J T Vr J² J ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The change of entropy, when heat is absorbed by the gas, is None of these Negative Positive or negative Positive None of these Negative Positive or negative Positive ANSWER DOWNLOAD EXAMIANS APP
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