4575Chemical EngineeringMedium
Spark plugs are made of________?
ACorundum
BMetallic carbides
CCarborundum
DHigh alumina ceramic
Correct answer
D. High alumina ceramic
Explanation
The correct answer is High alumina ceramic.
Correct answer
D. High alumina ceramic
Explanation
The correct answer is High alumina ceramic.
A Rotameter through which air at room temperature and atmospheric pressure is flowing gives a certain reading for a flow rate of 100 cc/sec. If helium (molecular weight 4) is used and Rotameter shows the same reading, the flow rate (cc/sec) is________?
Ceramic materials are________?
The main type of sludge gas evolved during sewage treatment in Imhoff tank is________?
Selectivity of the solvent used in solvent extraction should be)________?
Column support for the roof of cylindrical storage tank must be provided for________?
Which is the best tube arrangement (in a shell and tube heat exchanger) if the fluids are clean and non-fouling?