Engineering Thermodynamics The ___ is obtained when carbonization of coal is carried out at 500° to 700° C. Hard coal Soft coal Pulverized coal Bituminous coal Hard coal Soft coal Pulverized coal Bituminous coal ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If a system after undergoing a series of processes, returns to the initial state then 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 Process is thermodynamically in equilibrium 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 very slightly The room will be cooled to the temperature inside the refrigerator The temperature of the air in room will remain unaffected The room will be gradually warmed up The room will be cooled very slightly The room will be cooled to the temperature inside the refrigerator The temperature of the air in room will remain unaffected The room will be gradually warmed up ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Molecular volume of any perfect gas at 600 × 103 N/m² and 27°C will be 4.17 m3/kg mol 400 m3/kg mol 0.15 m3/kg mol 41.7 m3/kg mol 4.17 m3/kg mol 400 m3/kg mol 0.15 m3/kg mol 41.7 m3/kg mol ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following laws is applicable for the behaviour of a perfect gas? Gay Lussac’s law All of these Boyle's law Charles ‘law Gay Lussac’s law All of these Boyle's law Charles ‘law ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Properties of substances like pressure, temperature and density, in thermodynamic coordinates are Point functions Cyclic functions Path functions Real functions Point functions Cyclic functions Path functions Real functions ANSWER DOWNLOAD EXAMIANS APP
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