Engineering Thermodynamics The value of the product of molecular weight and the gas characteristic constant for all the gases in M.K.S. unit is 427 kgfm/mol °K 8314 kgfm/mol °K 29.27 kgfm/mol °K 848 kgfm/mol °K 427 kgfm/mol °K 8314 kgfm/mol °K 29.27 kgfm/mol °K 848 kgfm/mol °K ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The following cycle is used for air craft refrigeration Joule cycle Reversed Brayton cycle Carnot cycle Brayton cycle Joule cycle Reversed Brayton cycle Carnot cycle Brayton cycle ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics An isolated system is one in which Both energy and mass cross the boundaries of the system Neither mass nor energy crosses the boundaries of the system Mass does not cross boundaries of the system, though energy may do so Mass crosses the boundary but not the energy Both energy and mass cross the boundaries of the system Neither mass nor energy crosses the boundaries of the system Mass does not cross boundaries of the system, though energy may do so Mass crosses the boundary but not the energy 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) mR (T2 - T1) mcp (T2 + T1) mcp (T2 - T1) mcv (T2 - T1) mR (T2 - T1) mcp (T2 + T1) mcp (T2 - T1) mcv (T2 - T1) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following is the correct statement? All the reversible engines have the same efficiency. All engines are designed as reversible in order to obtain maximum efficiency. Irreversible engines have maximum efficiency. All the reversible and irreversible engines have the same efficiency. All the reversible engines have the same efficiency. All engines are designed as reversible in order to obtain maximum efficiency. Irreversible engines have maximum efficiency. All the reversible and irreversible engines have the same efficiency. ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics During throttling process There is no change of internal energy of steam All of these No work is done by expanding steam Heat exchange does not take place There is no change of internal energy of steam All of these No work is done by expanding steam Heat exchange does not take place ANSWER DOWNLOAD EXAMIANS APP
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