Engineering Thermodynamics When the gas is heated at constant pressure, the heat supplied Does some external work during expansion Increases the temperature of the gas Both (B) and (C) Increases the internal energy of the gas Does some external work during expansion Increases the temperature of the gas Both (B) and (C) Increases the internal energy of the gas ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The entropy __________ in an irreversible cyclic process. Increases Decreases None of these Remains constant Increases Decreases None of these Remains constant ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The absolute zero temperature is taken as 273°C 237°C -273°C -237°C 273°C 237°C -273°C -237°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The value of the product of molecular weight and the gas characteristic constant for all the gases in S.I. units is 848 J/kmol °K 29.27 J/kmol °K 735 J/kmol °K 83.14 J/kmol °K 848 J/kmol °K 29.27 J/kmol °K 735 J/kmol °K 83.14 J/kmol °K ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The ___ is obtained when carbonization of coal is carried out at 500° to 700° C. Bituminous coal Soft coal Pulverized coal Hard coal Bituminous coal Soft coal Pulverized coal Hard coal ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The door of a running refrigerator inside a room was left open. Which of the following statements is correct? The room will be cooled very slightly The room will be gradually warmed up The temperature of the air in room will remain unaffected The room will be cooled to the temperature inside the refrigerator The room will be cooled very slightly The room will be gradually warmed up The temperature of the air in room will remain unaffected The room will be cooled to the temperature inside the refrigerator ANSWER DOWNLOAD EXAMIANS APP