A piston-cylinder device initially contains air at 150 kPa and 27 C. At this state, the volume is 400 litre. The mass of the piston is such that a 350 kPa pressure is required to move it. The air is now heated until its volume has doubled. Determine work done by the air.

A piston-cylinder device initially contains air at 150 kPa and 27 C. A

1.	A piston-cylinder device initially contains air at 150 kPa and 27 C. At this state, the volume is 400 litre. The mass of the piston is such that a 350 kPa pressure is required to move it. The air is now heated until its volume has doubled. Determine work done by the air.
A.	120 kJ
B.	130 kJ
C.	100 kJ
D.	140 kJ
Answer» E.

Discussion

No Comment Found

Related MCQs

A sealed rigid vessel has volume of 1 m3 and contains 2 kg of water at 100 C. The vessel is now heated. If a safety pressure valve is installed, at what pressure should the valve be set to have a maximum temperature of 200 C ?
Calculate the change in enthalpy of carbon dioxide from 30 to 1500 C at 100 kPa at constant specific heat.
A piston-cylinder device initially contains air at 150 kPa and 27 C. At this state, the volume is 400 litre. The mass of the piston is such that a 350 kPa pressure is required to move it. The air is now heated until its volume has doubled. Determine work done by the air.
A piston-cylinder device initially contains air at 150 kPa and 27 C. At this state, the volume is 400 litre. The mass of the piston is such that a 350 kPa pressure is required to move it. The air is now heated until its volume has doubled. Determine the final temperature.
The pressure gauge on an air tank shows 60 kPa when the diver is 8 m down in the ocean. At what depth will the gauge pressure be zero?
Find the pressure of water at 200 C and having specific volume of 1.5 m3/kg.
A 5 m long vertical tube having cross sectional area 200 cm2 is placed in a water. It is filled with 15 C water, with the bottom closed and the top open to 100 kPa atmosphere. What is the pressure at the bottom of tube?
A 5 m long vertical tube having cross sectional area 200 cm^2 is placed in a water. It is filled with 15 C water, with the bottom closed and the top open to 100 kPa atmosphere. How much water is present in tube?
One kg of diatomic Oxygen is present in a 500 L tank. Find the specific volume on both mass and mole basis.

A piston-cylinder device initially contains air at 150 kPa and 27 C. At this state, the volume is 400 litre. The mass of the piston is such that a 350 kPa pressure is required to move it. The air is now heated until its volume has doubled. Determine work done by the air.

Discussion

No Comment Found

Related MCQs

Reply to Comment