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. Which would be the least likely to sink into soft ground?
3. The diagram shows a manometer containing mercury that is sealed at one end.

manometer to top of mountainWhat happens to the distance h when the manometer is taken to the top of a mountain?
4. A gas is trapped inside a cylinder by a movable piston. The length of the gas column is 50 cm and the pressure inside the cylinder is p.

The piston is pushed in a distance of 30 cm, so that the length of the gas column is now 20 cm. The temperature of the gas does not change.

What is the new pressure of the gas?
5. A small table weighing 40 N stands on four legs, each having an area of $0.001 \text{ m}^{2}$. What is the pressure of the table on the floor?
6. 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?
7. A manometer is connected to a gas supply.

pressure qn 2Pressure can be measured in cm of water.

What is the pressure of the gas?
8. Four different liquids are poured into identical measuring cylinders. The diagrams show the depths of the liquids and their densities.

Which liquid causes the largest pressure on the base of its measuring cylinder?

pressure at base of cylinder
9. A barometer is carried up on a balloon. Why does the reading on the barometer fall?
10. CYLINDERThe diagram above shows a cylindrical container with diameter 0.5 m containing a liquid of density 750 $kg \, m^{-3}$. Find the pressure exerted by the liquid on the base of the container.

 

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