Engineering Thermodynamics The condition of perfect vacuum, i.e., absolute zero pressure can be attained at A temperature of 0°C A negative pressure and 0°C temperature A temperature of 273 °K A temperature of - 273.16°C A temperature of 0°C A negative pressure and 0°C temperature A temperature of 273 °K A temperature of - 273.16°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The ideal efficiency of a Brayton cycle without regeneration, with increase in pressure ratio will Decrease Increase/decrease depending on application Remain unchanged Increase Decrease Increase/decrease depending on application Remain unchanged Increase ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Mixture of ice and water form a Heterogeneous system Closed system Open system Isolated system Heterogeneous system Closed system Open system Isolated system ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The hard coke is obtained when carbonization of coal is carried out at 700° to 900°C 500° to 700°C 900° to 1100°C 300° to 500°C 700° to 900°C 500° to 700°C 900° to 1100°C 300° to 500°C 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 cooled to the temperature inside the refrigerator The room will be cooled very slightly The room will be gradually warmed up 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 cooled very slightly The room will be gradually warmed up The temperature of the air in room will remain unaffected 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 Process is executed in closed system cycle Sum of heat and work transfer will be zero Its entropy will change due to irreversibility Process is thermodynamically in equilibrium Process is executed in closed system cycle Sum of heat and work transfer will be zero Its entropy will change due to irreversibility ANSWER DOWNLOAD EXAMIANS APP
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