In fluminium foundry, for removing dissolved hydrogen and the entrapped dross, the flux used is
A)nitrogen
B)helium
C)chlorine
D)any of the above

Question

Quizplus · Accepted Answer

In aluminum foundry operations, nitrogen, helium, and chlorine can all be used as fluxes to remove dissolved hydrogen and entrapped dross. Each of these gases has specific properties that make them suitable for this purpose, such as their ability to react with or displace hydrogen and dross without reacting adversely with the aluminum itself.

In Fluminium Foundry, for Removing Dissolved Hydrogen and the Entrapped