Engineering Thermodynamics When wood is heated with a limited supply of air to a temperature not less than 280°C, the resulting fuel is Wood charcoal Bituminous coal Briquetted coal Coke Wood charcoal Bituminous coal Briquetted coal Coke ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics One reversible heat engine operates between 1600 K and T2 K and another reversible heat engine operates between T2 K and 400 K. If both the engines have the same heat input and output, then temperature T2 is equal to 1000 K 1400 K 800 K 1200 K 1000 K 1400 K 800 K 1200 K ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The more effective way of increasing efficiency of Carnot engine is to Increase lower temperature Decrease lower temperature Increase higher temperature Decrease higher temperature Increase lower temperature Decrease lower temperature Increase higher temperature Decrease higher temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If a system after undergoing a series of processes, returns to the initial state then 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 Sum of heat and work transfer will be zero Process is executed in closed system cycle Process is thermodynamically in equilibrium ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Absolute zero pressure will occur When molecular momentum of the system becomes zero Under vacuum conditions At sea level At a temperature of 273°K When molecular momentum of the system becomes zero Under vacuum conditions At sea level At a temperature of 273°K ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A series of operations, which takes place in a certain order and restore the initial conditions at the end, is known as Thermodynamic cycle None of these Reversible cycle Irreversible cycle Thermodynamic cycle None of these Reversible cycle Irreversible cycle ANSWER DOWNLOAD EXAMIANS APP
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