Reverse osmosis is normally used for the________?

Air is to be heated by condensing steam. Two heat exchangers are available (i) a shell and tube heat exchanger and (ii) a finned tube heat exchanger. Tube side heat transfer area are equal in both the cases. The recommended arrangement is________?

Ans: Finned tube heat exchanger with air outside and steam insideRead →

MCQ #7099

The simple Pitot tube does not measure the________?

Ans: All A., B. and C.Read →

MCQ #843

Heavy duty bearings are usually made of________?

Ans: White metalRead →