Engineering Thermodynamics The ideal efficiency of a Brayton cycle with regeneration, with increase in pressure ratio will Remain unchanged Increase/decrease depending on application Increase Decrease Remain unchanged Increase/decrease depending on application Increase Decrease ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A closed system is one in which Neither mass nor energy crosses the boundaries of the system Mass does not cross boundaries of the system, though energy may do so Both energy and mass cross the boundaries of the system Mass crosses the boundary but not the energy Neither mass nor energy crosses the boundaries of the system Mass does not cross boundaries of the system, though energy may do so Both energy and mass cross the boundaries of the system Mass crosses the boundary but not the energy ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The volumetric or molar specific heat at constant pressure is the product of Molecular mass of the gas and the gas constant Atomic mass of the gas and the gas constant Molecular mass of the gas and the specific heat at constant volume None of the listed here Molecular mass of the gas and the gas constant Atomic mass of the gas and the gas constant Molecular mass of the gas and the specific heat at constant volume None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The heat supplied to the gas at constant volume is (where m = Mass of gas, cv = Specific heat at constant volume, cp = Specific heat at constant pressure, T2 - T1 = Rise in temperature, and R = Gas constant) mcp (T2 - T1) mcv (T2 - T1) mcp (T2 + T1) mR (T2 - T1) mcp (T2 - T1) mcv (T2 - T1) mcp (T2 + T1) mR (T2 - T1) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When a gas is heated at constant pressure Its temperature will increase Both temperature and volume will increase Neither temperature not volume will increase Its volume will increase Its temperature will increase Both temperature and volume will increase Neither temperature not volume will increase Its volume will increase ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The value of cp/cv for air is 2.3 1 1.4 1.45 2.3 1 1.4 1.45 ANSWER DOWNLOAD EXAMIANS APP
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