2896Chemical EngineeringMedium
Coking coals are invariably________?
AAnthracites
BLignites
CBituminous coals
DSemi-anthracites
Correct answer
C. Bituminous coals
Explanation
The correct answer is Bituminous coals.
Correct answer
C. Bituminous coals
Explanation
The correct answer is Bituminous coals.
Number of secondary neutron emitted on fission of an atom of U-235 by slow neutron bombardment is________?
Filter aids like asbestos, kieselguhr, diatomaceous earth etc. are used to increase the porosity of the final filter cake & reducing the cake resistance during filtration. Filter aid is________?
N2 content in a urea sample was found to be only 42%. What is the actual urea content of the sample? (Molecular weight of urea = 60)?
Relative volatility does not change appreciably with the change in________?
Which of following error integral is considered as the best criterion in controller settings?
A mercury barometer measures the ________ pressure?