Engineering Thermodynamics If a system after undergoing a series of processes, returns to the initial state then Sum of heat and work transfer will be zero Process is executed in closed system cycle Process is thermodynamically in equilibrium Its entropy will change due to irreversibility Sum of heat and work transfer will be zero Process is executed in closed system cycle Process is thermodynamically in equilibrium Its entropy will change due to irreversibility ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In a Carnot cycle, heat is transferred at Constant volume Constant pressure Constant temperature Constant enthalpy Constant volume Constant pressure Constant temperature Constant enthalpy ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The air standard efficiency of an Otto cycle is given by (where r = Compression ratio, and γ = Ratio of specific heats) 1 + rγ - 1 1 - (1/ rγ - 1) 1 + (1/ rγ - 1) 1 - rγ - 1 1 + rγ - 1 1 - (1/ rγ - 1) 1 + (1/ rγ - 1) 1 - rγ - 1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics For the same compression ratio, the efficiency of Diesel cycle is __________ Otto cycle. Greater than Less than None of these Equal to Greater than Less than None of these Equal to ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics On weight basis, air contains following parts of oxygen 73 23 25 21 73 23 25 21 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A cycle consisting of one constant pressure, one constant volume and two isentropic processes is known as Diesel cycle Stirling cycle Carnot cycle Otto cycle Diesel cycle Stirling cycle Carnot cycle Otto cycle ANSWER DOWNLOAD EXAMIANS APP