Question

question 16 (5 points)
listen
the use of water in a heat exchanger is taking advantage of waters
a) polar molecular nature.
b) solid state when frozen.
c) significant expansion during boiling.
d) high specific heat

Explanation:

To determine the correct answer, we analyze each option:

• Option A: Water's polar molecular nature is related to its ability to dissolve substances, not heat exchange efficiency. So A is incorrect.
• Option B: The solid state (ice) of water is not relevant to heat exchangers, which use liquid water for heat transfer. So B is incorrect.
• Option C: Water's expansion during boiling is not the reason for its use in heat exchangers; heat exchangers typically operate below boiling temperatures. So C is incorrect.
• Option D: Water has a high specific heat capacity, meaning it can absorb or release a large amount of heat with a relatively small change in temperature. This property makes it effective in heat exchangers for transferring heat. So D is correct.

Answer:

D) high specific heat