5110Chemical EngineeringMedium
Catalyst used in the catalytic cracking is________?
ANickel
BVanadium pentoxide
CSilica-alumina
DSilica gel
Correct answer
C. Silica-alumina
Explanation
The correct answer is Silica-alumina.
Correct answer
C. Silica-alumina
Explanation
The correct answer is Silica-alumina.
Corrosion allowance in the design of pressure vessel/chemical equipment is not necessary, if________?
Length to diameter ratio of most rotary driers is in the range of________?
In the atmospheric pressure crude distillation, the content of ________ from lighter fraction to heavier ones?
Screws are specified by their ________ diameters?
As the product becomes finer, the energy required for grinding________?
In a pressure vessel containing multiple openings of various dimensions at different parts, stress concentration at the edges of the opening is maximum which becomes negligibly small beyond the area covered by ________ times the hole diameter?