Post-UTME Physics 2017 Objective — Question 2
Question 2 of 20 from the Post-UTME Screening (Post-UTME) Physics 2017 Objective paper, with the correct answer and a full explanation.
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The main function of the steam-trap incorporated in the apparatus for determining the specific latent heat of vaporization of water is to
- A. prevent the leakage of heat energy by convection and conduction
- B. act as a heat reservoir for the apparatus
- C. trap all the steam entering it.
- D. prevent the passage of condensed steam.Correct
Explanation
The steam trap prevents already-condensed water (rather than dry steam) from passing through and being wrongly counted in the measurement.
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