1823Chemical EngineeringMedium
Portland cement consists mainly of________?
ACaO & Fe2O3
BCaO & Al2O3
CCaO & SiO2
DSiO2 & Al2O3
Correct answer
C. CaO & SiO2
Explanation
The correct answer is CaO & SiO2.
Correct answer
C. CaO & SiO2
Explanation
The correct answer is CaO & SiO2.
Pick out the wrong statement?
Calorific value of tar is about ________ Kcal/kg?
Centrifugal compressors compared to reciprocating compressors________?
The activity co-efficient of a solution, which accounts for the departure of liquid phase from ideal solution behaviour________?
A pump operating under specific conditions delivers insufficient quantity of liquid. This may be set right by________?
Yield of urea can be increased with excess ammonia and higher pressure & temperature, but because of ________ this is normally not done?