Engineering Thermodynamics The more effective way of increasing efficiency of Carnot engine is to Increase lower temperature Increase higher temperature Decrease lower temperature Decrease higher temperature Increase lower temperature Increase higher temperature Decrease lower temperature Decrease higher temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The change of entropy, when heat is absorbed by the gas, is Positive or negative None of these Negative Positive Positive or negative None of these Negative Positive ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The __________ states that change of internal energy of a perfect gas is directly proportional to the change of temperature. Charle's law Joule's law Gay-Lussac law Boyle's law Charle's law Joule's law Gay-Lussac law Boyle's law 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 + (1/ rγ - 1) 1 - (1/ rγ - 1) 1 - rγ - 1 1 + rγ - 1 1 + (1/ rγ - 1) 1 - (1/ rγ - 1) 1 - rγ - 1 1 + rγ - 1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In a Carnot cycle, heat is transferred at Constant enthalpy Constant pressure Constant temperature Constant volume Constant enthalpy Constant pressure Constant temperature Constant volume ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When a gas is heated at constant pressure Both temperature and volume will increase Neither temperature not volume will increase Its temperature will increase Its volume will increase Both temperature and volume will increase Neither temperature not volume will increase Its temperature will increase Its volume will increase ANSWER DOWNLOAD EXAMIANS APP
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