Engineering Thermodynamics The general law of expansion or compression is pvn = C, The process is said to be hyperbolic, if n is equal to ∝ 1 γ ∝ 1 γ 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 1400 K 800 K 1000 K 1200 K 1400 K 800 K 1000 K 1200 K ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When wood is heated with a limited supply of air to a temperature not less than 280°C, the resulting fuel is Bituminous coal Coke Briquetted coal Wood charcoal Bituminous coal Coke Briquetted coal Wood charcoal ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In a Carnot cycle, heat is transferred at Constant temperature Constant pressure Constant volume Constant enthalpy Constant temperature Constant pressure Constant volume Constant enthalpy ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The heat and work are mutually convertible. This statement is called ___ law of thermodynamics. Third Zeroth Second First Third Zeroth Second First ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of the Carnot cycle may be increased by Increasing the highest temperature Decreasing the highest temperature Increasing the lowest temperature Keeping the lowest temperature constant Increasing the highest temperature Decreasing the highest temperature Increasing the lowest temperature Keeping the lowest temperature constant ANSWER DOWNLOAD EXAMIANS APP
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