2170Chemical EngineeringMedium
Chilled iron castings are________?
AHighly wear resistant
BEasily machinable
CSoft on surface
DNone of these
Correct answer
A. Highly wear resistant
Explanation
The correct answer is Highly wear resistant.
Correct answer
A. Highly wear resistant
Explanation
The correct answer is Highly wear resistant.
The average thickness of ozone layer in stratosphere is about ________ dobson unit (DU)?
Ringelmann chart No. 2 corresponds to ________ percent black smoke?
Permanent hardness of water can be removed by________?
There is practically no alternative/competitor to ________ in the beneficiation treatment of sulphide ores?
Which of the following is not a mathematical method for evaluation of profitability of a chemical process plant?
Grog addition in fireclay during brick manufacture is done to________?