585Chemical EngineeringMedium
Presence of even 0.005% of ________ in copper makes it highly brittle, rendering it useless for wire-drawing?
AArsenic
BAntimony
CBismuth
DOxygen
Correct answer
C. Bismuth
Explanation
The correct answer is Bismuth.
Correct answer
C. Bismuth
Explanation
The correct answer is Bismuth.
Hole diameter of the sieve trays in the distillation column ranges from ________ mm?
Spalling resistance of a refractory cannot be increased by ________?
In “Imperial Smelting Process” for extraction of zinc, zinc vapour thus produced is quenched in the external condenser by the use of the following ________?
Short/intense flame is produced during combustion of gaseous fuel by using________?
Boundary layer exists in flow________?
It is not preferable to use superheated steam in evaporators, because of its very________?