Engineering Thermodynamics When coal is strongly heated continuously for 42 to 48 hours in the absence of air in a closed vessel, the process is known as __________ of fuel. None of these Carbonization Atomization Combustion None of these Carbonization Atomization Combustion ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The increase in entropy of a system represents Degradation of energy Increase in availability of energy Decrease in pressure Increase in temperature Degradation of energy Increase in availability of energy Decrease in pressure Increase in temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Carnot cycle consists of One constant volume, one constant pressure and two isentropic processes Two isothermal and two isentropic processes Two constant pressure and two isentropic processes Two constant volume and two isentropic processes One constant volume, one constant pressure and two isentropic processes Two isothermal and two isentropic processes Two constant pressure and two isentropic processes Two constant volume and two isentropic processes ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The condition of perfect vacuum, i.e., absolute zero pressure can be attained at A temperature of - 273.16°C A temperature of 273 °K A negative pressure and 0°C temperature A temperature of 0°C A temperature of - 273.16°C A temperature of 273 °K A negative pressure and 0°C temperature A temperature of 0°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In an isothermal process, the internal energy First increases and then decreases Remain constant Decreases Increases First increases and then decreases Remain constant Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of the Carnot cycle may be increased by Keeping the lowest temperature constant Increasing the lowest temperature Decreasing the highest temperature Increasing the highest temperature Keeping the lowest temperature constant Increasing the lowest temperature Decreasing the highest temperature Increasing the highest temperature ANSWER DOWNLOAD EXAMIANS APP