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 to the temperature inside the refrigerator The room will be cooled very slightly The temperature of the air in room will remain unaffected The room will be gradually warmed up The room will be cooled to the temperature inside the refrigerator The room will be cooled very slightly The temperature of the air in room will remain unaffected ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When the gas is cooled at constant pressure, Its temperature increases but volume decreases Both temperature and volume decreases Its volume increases but temperature decreases Both temperature and volume increases Its temperature increases but volume decreases Both temperature and volume decreases Its volume increases but temperature decreases Both temperature and volume increases ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If a system after undergoing a series of processes, returns to the initial state then Process is thermodynamically in equilibrium Sum of heat and work transfer will be zero Its entropy will change due to irreversibility Process is executed in closed system cycle Process is thermodynamically in equilibrium Sum of heat and work transfer will be zero Its entropy will change due to irreversibility Process is executed in closed system cycle ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The general gas equation is (where p = Pressure, v = Volume, m = mass, T = Absolute temperature, and R = Gas constant) pv = mRT pv = (RT)m pv = RTm pvm = C pv = mRT pv = (RT)m pv = RTm pvm = C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The value of gas constant (R) in S. I. units is 0.287 J/kgK 28.7 J/kgK 287 J/kgK 2.87 J/kgK 0.287 J/kgK 28.7 J/kgK 287 J/kgK 2.87 J/kgK ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The ratio of root mean square velocity to average velocity of gas molecules at a particular temperature is 4.086 0.086 1.086 1.086 4.086 0.086 1.086 1.086 ANSWER DOWNLOAD EXAMIANS APP
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