4683Chemical EngineeringMedium
Co-efficient of thermal expansion of glass is decreased by the addition of ________ during its manufacture?
AFeS
BZnO
CCaO
DMnO2
Correct answer
B. ZnO
Explanation
The correct answer is ZnO.
Correct answer
B. ZnO
Explanation
The correct answer is ZnO.
An Azeotropic solution of two liquids has boiling point lower than either of them, when it________?
The ratio of the hydraulic radius to the diameter of the channel, for maximum mean velocity of flow in a circular channel, in open channel flow is________?
Paraffin base crude oil as compared to asphalt base crude gives________?