Examkits is a JAMB CBT practice platform that provides over 20 years of past questions, Post UTME questions, and detailed video solutions to help students prepare for their exams.

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You can practice JAMB past questions online, on Android, or on a desktop using the Examkits app. Just register on our website and choose your preferred device.

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Yes. Our Android and Windows versions support offline usage. Once downloaded and activated, no internet is required to use most of the features.

Do you offer video solutions for JAMB questions?

Yes, Examkits provides detailed video explanations for all JAMB past questions from 2000 to 2024, helping students understand how to solve each problem.

Examkits offers free practice for some subjects. However, full access requires a one-time affordable activation fee for each version of the app.

PHYSICS

JAMB 2020 - Question 12

Physics 2020 JAMB Past Questions - Question 12: The diagram above shows a lift pump with valves at P and Q . During a downwardstroke of the piston .

Use the diagram to answer question that follows

The diagram above shows a lift pump with valves at P and Q . During a downwardstroke of the piston .

A: both valves are open

B: P is open while Q is closed

C: P is closed while Q is open

D: both valves are closed

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PHYSICS

Physics 2020 JAMB Past Questions - Question 12: The diagram above shows a lift pump with valves at P and Q . During a downwardstroke of the piston .

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Correct Answer

Explanation