Engineering Thermodynamics The hard coke is obtained when carbonization of coal is carried out at 500° to 700°C 700° to 900°C 300° to 500°C 900° to 1100°C 500° to 700°C 700° to 900°C 300° to 500°C 900° to 1100°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Kerosene is distilled at 65° to 220°C 470° to 550°C 220° to 345°C 345° to 470°C 65° to 220°C 470° to 550°C 220° to 345°C 345° to 470°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The more effective way of increasing efficiency of Carnot engine is to Increase higher temperature Decrease higher temperature Decrease lower temperature Increase lower temperature Increase higher temperature Decrease higher temperature Decrease lower temperature Increase lower temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of the Carnot cycle may be increased by Increasing the highest temperature Keeping the lowest temperature constant Decreasing the highest temperature Increasing the lowest temperature Increasing the highest temperature Keeping the lowest temperature constant Decreasing the highest temperature Increasing the lowest temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Compressed air coming out from a punctured football 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 Becomes hotter Remains at the same temperature 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 temperature of the air in room will remain unaffected The room will be cooled very slightly The room will be cooled to the temperature inside the refrigerator The room will be gradually warmed up The temperature of the air in room will remain unaffected The room will be cooled very slightly The room will be cooled to the temperature inside the refrigerator ANSWER DOWNLOAD EXAMIANS APP
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