Engineering Thermodynamics The efficiency of the Carnot cycle may be increased by Increasing the highest temperature Increasing the lowest temperature Keeping the lowest temperature constant Decreasing the highest temperature Increasing the highest temperature Increasing the lowest temperature Keeping the lowest temperature constant Decreasing the highest temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Work done is zero for the following process All of the listed here Constant volume Free expansion Throttling All of the listed here Constant volume Free expansion Throttling 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 gradually warmed up The room will be cooled very slightly 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 gradually warmed up The room will be cooled very slightly 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
Engineering Thermodynamics Which of the following is the extensive property of a thermodynamic system? Density Pressure Temperature Volume Density Pressure Temperature Volume ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The temperature at which the volume of a gas becomes zero is called Absolute zero temperature Absolute scale of temperature Absolute temperature None of these Absolute zero temperature Absolute scale of temperature Absolute temperature None of these 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 Expansion and compression are isentropic Maximum temperature is higher Heat rejection is lower Combustion is at constant volume Expansion and compression are isentropic Maximum temperature is higher Heat rejection is lower Combustion is at constant volume ANSWER DOWNLOAD EXAMIANS APP
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