Practice MCQs For Pressure



This quiz contains practice questions for GCE ‘O’ level topic: Pressure. There are explanations for some of the questions after you submit the quiz. If you could not figure out why a particular option is the answer, feel free to drop a comment below or ask a question in ‘O’ & ‘A’ Level Discussion section of the forum. If you wish to contribute questions to this quiz, please contact us.

The quiz comprises of 10 questions, which are randomly selected from a large pool of questions. After completion, you can refresh the page and try the quiz again for a new set of 10 questions.

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1. The diagrams show, to the same scale, the vertical sections of a set of circular vessels, each containing the same depth of water.

vessels qnWhich one of the following statements is correct?
2. A barometer is carried up on a balloon. Why does the reading on the barometer fall?
3. If the pressure exerted on a floor by a box is 200 kPa, find the weight of the box, given that the bottom of the box has a contact area of 20 $cm^{2}$.
4. Bubbles of gas, escaping from the mud at the bottom of a deep lake, rise to the surface.

bubbles in pondAs the bubbles rise, they get larger.

Why is this?
5. Objects of different weights are placed on a rigid, horizontal surface.

Which row shows the correct pressure acting on the surface?
Weight (N)Area in contact ($m^{2}$)Pressure (Pa)
A100.11
B200.20.01
C300.1300
D400.28
6. Which of the following will cause the height of the mercury column in a barometer, A, to be higher than  that of another barometer, B, located at sea level?
7. The diagram shows the levels X and Y in a liquid manometer when the gas tap is opened.

gas pressure qnWhat is the pressure of the gas in the cylinder?
8. The diagram shows a simple mercury barometer. Which height is a measure of the atmospheric pressure?

pressure qn
9. A gas occupies a volume of $2.0 \text{ m}^{3}$ in a cylinder at a pressure of 240 kPa. A piston compresses the gas until the volume is $0.50 \text{ m}^{3}$, the temperature remaining constant.

What is the new pressure of the gas?
10. A manometer is connected to a gas supply.

manometer qnPressure can be measured in cm of water.

What is the pressure of the gas?

 

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