Engineering Thermodynamics A gas is compressed in a cylinder by a movable piston to a volume one half its original volume. During the process 300 kJ heat left the gas and internal energy remained same. The work done on gas in Nm will be 3000 Nm 30 Nm 300 Nm 300,000 Nm 3000 Nm 30 Nm 300 Nm 300,000 Nm ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics One kg of hydrogen requires 8 kg of oxygen and produces 9 kg of water 1 kg of water 8 kg of water 7 kg of water 9 kg of water 1 kg of water 8 kg of water 7 kg of water 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 temperature of the air in room will remain unaffected The room will be cooled very slightly The room will be gradually warmed up 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 cooled very slightly The room will be gradually warmed up The room will be cooled to the temperature inside the refrigerator 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 Process is thermodynamically in equilibrium Process is executed in closed system cycle Its entropy will change due to irreversibility Sum of heat and work transfer will be zero Process is thermodynamically in equilibrium Process is executed in closed system cycle Its entropy will change due to irreversibility ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The amount of heat required to raise the temperature of 1 kg of water through one Kelvin is called kilo-Joule None of these Specific heat at constant pressure Specific heat at constant volume kilo-Joule None of these Specific heat at constant pressure Specific heat at constant volume ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A diathermic wall is one which Discourages thermal interaction Encourages thermal interaction Prevents thermal interaction Permits thermal interaction Discourages thermal interaction Encourages thermal interaction Prevents thermal interaction Permits thermal interaction ANSWER DOWNLOAD EXAMIANS APP
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