Engineering Thermodynamics In a Carnot cycle, heat is transferred at Constant volume Constant temperature Constant enthalpy Constant pressure Constant volume Constant temperature Constant enthalpy Constant pressure ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following is the correct statement? All the reversible and irreversible engines have the same efficiency. All the reversible engines have the same efficiency. Irreversible engines have maximum efficiency. All engines are designed as reversible in order to obtain maximum efficiency. All the reversible and irreversible engines have the same efficiency. All the reversible engines have the same efficiency. Irreversible engines have maximum efficiency. All engines are designed as reversible in order to obtain maximum efficiency. ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The condition for the reversibility of a cycle is The pressure and temperature of the working substance must not differ, appreciably, from those of the surroundings at any stage in the process The working parts of the engine must be friction free All the processes, taking place in the cycle of operation, must be extremely slow All of these The pressure and temperature of the working substance must not differ, appreciably, from those of the surroundings at any stage in the process The working parts of the engine must be friction free All the processes, taking place in the cycle of operation, must be extremely slow All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Water contained in a beaker can be made to boil by passing steam through it Not possible Any pressure At a pressure greater than atmospheric pressure At atmospheric pressure Not possible Any pressure At a pressure greater than atmospheric pressure At atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics On volume basis, air contains following parts of oxygen 77 21 23 25 77 21 23 25 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The standard value of atmospheric pressure taken at sea level is 1013 × 102 N/m2 All of these 1.013 bar 760 mm of Hg 1013 × 102 N/m2 All of these 1.013 bar 760 mm of Hg ANSWER DOWNLOAD EXAMIANS APP
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