1045Chemical EngineeringMedium
The type of high refractive index glass used in optical instruments is ________ glass?
AFlint
BPyrex
CNone of these
DCrookes
Correct answer
A. Flint
Explanation
The correct answer is Flint.
Correct answer
A. Flint
Explanation
The correct answer is Flint.
Constituents of stellite are________?
The bright glow of a combustion process is the characteristic of ________ temperature oxidation of coal?
Maximum allowable vapour velocity in a bubble cap tower is determined by the ________?
Screen capacity is proportional to (where, S = screen aperture)________?
Which of the following is not an advantage of fluidisation from transfer operation point of view?
Except ________, all other refractories are bad conductors of electricity (i.e, have low electrical conductivity)?