2108Chemical EngineeringMedium
The hardest material just prior to diamond in Mhos scale is________?
ACarborundum
BCorundum
CCalcite
DTopaz
Correct answer
B. Corundum
Explanation
The correct answer is Corundum.
Correct answer
B. Corundum
Explanation
The correct answer is Corundum.
Strain hardening effect in a metal subjected to cold working is due to the ________ mechanism?
Coke oven gas after passing through return electrostatic tar precipitator (RETP) is used for the________?
Volatile matter content in coking coal may be about ________ percent?
In case of cooling towers, the ratio of the rates of heat and mass transfer is indicated by the ________ number?
In case of a close thermodynamic system, there is ________ across the boundaries?
The dust collection efficiency of electrostatic precipitator increases with increase in the________?