Neco Model Questions Vol1 2018 Physics Question 7

Practice essay / theory question 7 from the 2018 Neco Model Questions Vol1 Physics examination. This question covers Pressure .

Neco Model Questions Vol1 2018 Physics Essay / Theory

Topic: Pressure

Question 7 NECO_MODEL_QUESTIONS_VOL1 • 2018 • PHYSICS • essay

A vertical cylindrical tank 10.0 m high has a constant cross‑sectional area of 2.00 m². The tank is closed at the top and initially contains dry air at 1.00 atm and 27 °C. Water is slowly pumped into the tank until the water level reaches 6.0 m above the bottom. Because of heat exchange with the surroundings the temperature of the trapped air rises to 37 °C. Assume the air behaves as an ideal gas and the water is incompressible.

Question Parts

( a )

Calculate the final absolute pressure of the trapped air (in kPa).

( b )

Determine the magnitude of the force exerted by the water on the bottom of the tank (in newtons).

( c )

A pressure gauge connected to the bottom of the tank reads the total pressure (air + water). Calculate the gauge reading (in kPa).

( d )

Briefly discuss two practical reasons why the measured gauge pressure might differ from the calculated value.

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About This Question

This is Neco Model Questions Vol1 2018 Physics Question 7. It is one of the essay questions from the 2018 Neco Model Questions Vol1 Physics examination.

The question covers Pressure .

View More Neco Model Questions Vol1 2018 Physics Questions More Neco Model Questions Vol1 Practice Questions Back to Questions

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