Engineering Thermodynamics A path 1-2-3 is given. A system absorbs 100 kJ as heat and does 60 kJ of work while along the path 1-4-3, it does 20 kJ of work. The heat absorbed during the cycle 1-4-3 is -40 kJ -80 kJ -140 kJ +60 kJ -40 kJ -80 kJ -140 kJ +60 kJ 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 When the gas is heated at constant volume, the heat supplied Both (A) and (B) None of these Increases the internal energy of the gas and increases the temperature of the gas Does some external work during expansion Both (A) and (B) None of these Increases the internal energy of the gas and increases the temperature of the gas Does some external work during expansion ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In order that a cycle be reversible, following must be satisfied All of these Free expansion or friction resisted expansion/compression process should not be encountered When heat is being absorbed, temperature of hot source and working substance should be same When beat is being rejected, temperature of cold source and working substance should be same All of these Free expansion or friction resisted expansion/compression process should not be encountered When heat is being absorbed, temperature of hot source and working substance should be same When beat is being rejected, temperature of cold source and working substance should be same ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to kinetic theory of gases, the velocity of molecules __________ with the increase in temperature. Remains constant Decreases Increases None of these Remains constant Decreases Increases None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The sum of internal energy (U) and the product of pressure and volume (p.v) is known as Power Enthalpy Work done Entropy Power Enthalpy Work done Entropy ANSWER DOWNLOAD EXAMIANS APP
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