A body cools down from 75°C to 70°C in 10 minutes. It will cool down from 70°C to 65°C in __________ minutes.
A. 10
B. > 10
C. < 10
D. Either B or C, depends on the mass of the body
Answer: Option B
Related Questions on Heat Transfer
A. 3.06 × 105
B. 6.12 × 105
C. 7.24 × 105
D. 9.08 × 105
Fqra cold viscous feed, backward feed gives __________ than forward feed.
A. A higher capacity
B. A lower capacity
C. Lower economy
D. None of these
A. Twice
B. Four times
C. Square root of
D. Square of
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