Question

I. Convection is a mode of heat transfer by actual motion of matter.
II. Convection is possible only in gases.
III. Convection can be natural or forced.
Which of the following statement(s) is/are correct?

• A. Only I
• B. Both I and III
• C. Only II
• D. I, II and III

Answer 1

Answer: (B)

Statements I and III are correct but II is incorrect and it can be corrected as,
Convection is possible only in fluids.