Question: A solid aluminium ball, when quenched in a water bath maintained at 40°C, cools down from 550°C to 450°C in 20 seconds. The expected temperature of the ball after next 20 seconds may be about __________ °C.
[A].370
340
320
300
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.