In a shell and tube heat exchanger, the flow rate of... - Solved MCQs & Answer

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?

Ans: 370Read →

MCQ #6804

Refractory bricks burnt at very high temperature have got________?

Ans: Greater resistance to corrosion by slagsRead →

MCQ #548

Elastomers are________?

Ans: Having high flexural strengthRead →