Engineering Thermodynamics Compressed air coming out from a punctured football Becomes hotter Remains at the same temperature Becomes cooler May become hotter or cooler depending upon the humidity of the surrounding air Becomes hotter Remains at the same temperature Becomes cooler May become hotter or cooler depending upon the humidity of the surrounding air ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics One kg of carbon monoxide requires __________ kg of oxygen to produce 11/7 kg of carbon dioxide gas. 11/4 9/7 All of the listed here 4/7 11/4 9/7 All of the listed here 4/7 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of the Carnot cycle may be increased by 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 Keeping the lowest temperature constant ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Gases have Two values of specific heat Under some conditions one value and sometimes two values of specific heat Only one value of specific heat No value of specific heat Two values of specific heat Under some conditions one value and sometimes two values of specific heat Only one value of specific heat No value of specific heat ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of Carnot cycle depends upon Volume compression ratio Cut-off ratio and compression ratio Pressure ratio Temperature limits Volume compression ratio Cut-off ratio and compression ratio Pressure ratio Temperature limits ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Otto cycle efficiency is higher than Diesel cycle efficiency for the same compression ratio and heat input because in Otto cycle Combustion is at constant volume Heat rejection is lower Maximum temperature is higher Expansion and compression are isentropic Combustion is at constant volume Heat rejection is lower Maximum temperature is higher Expansion and compression are isentropic ANSWER DOWNLOAD EXAMIANS APP