Engineering Thermodynamics When a gas is heated at constant pressure Both temperature and volume will increase Its temperature will increase Its volume will increase Neither temperature not volume will increase Both temperature and volume will increase Its temperature will increase Its volume will increase Neither temperature not volume will increase ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The index of compression ‘n’ tends to reach ratio of specific heats ‘y’ when Process is isothermal Process is isentropic and specific heat does not change with temperature Process is isentropic Flow is uniform and steady Process is isothermal Process is isentropic and specific heat does not change with temperature Process is isentropic Flow is uniform and steady ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The ideal efficiency of a Brayton cycle with regeneration, with increase in pressure ratio will Decrease Increase Remain unchanged Increase/decrease depending on application Decrease Increase Remain unchanged Increase/decrease depending on application ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of the Carnot cycle is (where T1 and T2 = Highest and lowest temperature during the cycle) (T1/T2) - 1 1 - (T1/T2) 1 + (T2/T1) 1 - (T2/T1) (T1/T2) - 1 1 - (T1/T2) 1 + (T2/T1) 1 - (T2/T1) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics On volume basis, air contains following parts of oxygen 77 25 21 23 77 25 21 23 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When a gas is heated at constant volume 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 Its pressure will increase ANSWER DOWNLOAD EXAMIANS APP
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