Engineering Thermodynamics One watt is equal to 1 Nm/s 1 Nm/hr 1 kNm/hr 1 N/m 1 Nm/s 1 Nm/hr 1 kNm/hr 1 N/m ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The general gas energy equation is (where Q1 - 2 = Heat supplied, dU = Change in internal energy, and W1 - 2 = Work done in heat units) Q1 - 2 = dU/W1 - 2 Q1 - 2 = dU + W1 - 2 Q1 - 2 = dU × W1 - 2 Q1 - 2 = dU - W1 - 2 Q1 - 2 = dU/W1 - 2 Q1 - 2 = dU + W1 - 2 Q1 - 2 = dU × W1 - 2 Q1 - 2 = dU - W1 - 2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to which law, all perfect gases change in volume by 1/273th of their original volume at 0°C for every 1°C change in temperature when pressure remains constant Gay Lussac’s law Boyle's law Joule's law Charles' law Gay Lussac’s law Boyle's law Joule's law Charles' law ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In a free expansion process Work done is zero Heat transfer is zero Both (A) and (B) above Work done is zero but heat increases Work done is zero Heat transfer is zero Both (A) and (B) above Work done is zero but heat increases ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Compressed air coming out from a punctured football May become hotter or cooler depending upon the humidity of the surrounding air Remains at the same temperature Becomes cooler Becomes hotter May become hotter or cooler depending upon the humidity of the surrounding air Remains at the same temperature Becomes cooler Becomes hotter ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of Carnot cycle depends upon Volume compression ratio Temperature limits Pressure ratio Cut-off ratio and compression ratio Volume compression ratio Temperature limits Pressure ratio Cut-off ratio and compression ratio ANSWER DOWNLOAD EXAMIANS APP