Engineering Thermodynamics Charles' law states that all perfect gases change in volume by __________ of its original volume at 0°C for every 1°C change in temperature, when pressure remains constant. 1/93th 1/27th 1/173th 1/273th 1/93th 1/27th 1/173th 1/273th ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The index of compression ‘n’ tends to reach ratio of specific heats ‘y’ when Process is isentropic Process is isothermal Process is isentropic and specific heat does not change with temperature Flow is uniform and steady Process is isentropic Process is isothermal Process is isentropic and specific heat does not change with temperature Flow is uniform and steady ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If heat be exchanged in a reversible manner, which of the following property of the working substance will change accordingly Temperature Enthalpy Entropy Internal energy Temperature Enthalpy Entropy Internal energy ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Zeroth law of thermodynamics Deals with heat engines Deals with conversion of mass and energy States that if two systems are both in equilibrium with a third system, they are in thermal equilibrium with each other Deals with reversibility and irreversibility of process Deals with heat engines Deals with conversion of mass and energy States that if two systems are both in equilibrium with a third system, they are in thermal equilibrium with each other Deals with reversibility and irreversibility of process ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The mass of excess air supplied is equal to (100/23) × Mass of excess carbon (23/100) × Mass of excess oxygen (23/100) × Mass of excess carbon (100/23) × Mass of excess oxygen (100/23) × Mass of excess carbon (23/100) × Mass of excess oxygen (23/100) × Mass of excess carbon (100/23) × Mass of excess oxygen ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of the Carnot cycle may be increased by Increasing the highest temperature Decreasing the highest temperature Keeping the lowest temperature constant Increasing the lowest temperature Increasing the highest temperature Decreasing the highest temperature Keeping the lowest temperature constant Increasing the lowest temperature ANSWER DOWNLOAD EXAMIANS APP