Thank you Chiefkiasu!

Wgh2005:

Hi, can someone help to solve this Question. Thank you!


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Hi, can anyone help me on the above question? Thank you!

Hi, can someone help to solve this Question. Thank you!


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Thank you jedamum! Yes you do make sense!

Hi, please take a look at below question. The test paper answer is (3), but (4) also seem possible?


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Thank you.

Hope someone can help me on the above questions. Thank you!

Hi, can someone help to explain on the below questions:


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Is it true that air can still be pumped in even when the amount of oil is at its maximum?

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My answer is (2), but the test paper answer is (1)?


Thank you!

Thank you Nebbermind for your answer! I got it now!

Thank you mceducation1 for your answer.

Hi, can anyone help on this question:


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Kindly also explain the reason.

Thank you very much!