Engineering Thermodynamics In order that a cycle be reversible, following must be satisfied When heat is being absorbed, temperature of hot source and working substance should be same All of these When beat is being rejected, temperature of cold source and working substance should be same Free expansion or friction resisted expansion/compression process should not be encountered When heat is being absorbed, temperature of hot source and working substance should be same All of these When beat is being rejected, temperature of cold source and working substance should be same Free expansion or friction resisted expansion/compression process should not be encountered ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The heat and mechanical energies are mutually convertible. This statement was established by Joule None of these Boyle Charles Joule None of these Boyle Charles 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 An ideal gas as compared to a real gas at very high pressure occupies Unpredictable behavior Less volume Same volume More volume Unpredictable behavior Less volume Same volume More volume ANSWER DOWNLOAD EXAMIANS APP
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 (p1/p2)γ - 1/ γ (p2/p1)γ - 1/ γ (v1/v2)γ - 1/ γ (v2/v1)γ - 1/ γ (p1/p2)γ - 1/ γ (p2/p1)γ - 1/ γ 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 Temperature Volume Pressure Internal energy Temperature Volume Pressure ANSWER DOWNLOAD EXAMIANS APP