Engineering Thermodynamics Which of the following is the correct statement? Irreversible engines have maximum efficiency. All the reversible engines have the same efficiency. All engines are designed as reversible in order to obtain maximum efficiency. All the reversible and irreversible engines have the same efficiency. Irreversible engines have maximum efficiency. All the reversible engines have the same efficiency. All engines are designed as reversible in order to obtain maximum efficiency. All the reversible and irreversible engines have the same efficiency. ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics One kg of carbon produces ___ kg of carbon dioxide. 4/11 3/7 11/7 11/3 4/11 3/7 11/7 11/3 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Gases have Two values of specific heat Only one value of specific heat Under some conditions one value and sometimes two values of specific heat No value of specific heat Two values of specific heat Only one value of specific heat Under some conditions one value and sometimes two values of specific heat No value of specific heat ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics An actual engine is to be designed having same efficiency as the Carnot cycle. Such a proposition is Possible, but with lot of sophistications Impossible Possible Feasible Possible, but with lot of sophistications Impossible Possible Feasible ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A closed system is one in which Neither mass nor energy crosses the boundaries of the system Mass crosses the boundary but not the energy Both energy and mass cross the boundaries of the system Mass does not cross boundaries of the system, though energy may do so Neither mass nor energy crosses the boundaries of the system Mass crosses the boundary but not the energy Both energy and mass cross the boundaries of the system Mass does not cross boundaries of the system, though energy may do so ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The value of the product of molecular weight and the gas characteristic constant for all the gases in S.I. units is 848 J/kmol °K 29.27 J/kmol °K 83.14 J/kmol °K 735 J/kmol °K 848 J/kmol °K 29.27 J/kmol °K 83.14 J/kmol °K 735 J/kmol °K ANSWER DOWNLOAD EXAMIANS APP
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