Which of the following gases is used in the method of recirculation de – McqOptions

MCQOPTIONS

1.	Which of the following gases is used in the method of recirculation degassing?
A.	Hydrogen
B.	Nitrogen
C.	Argon
D.	Oxygen
Answer» D. Oxygen

Discussion

No Comment Found

Related MCQs

The effect of temperature change is generally neglected during the vacuum degassing process.
In vacuum degassing method, low viscosity is considered to have negative influence on the reaction rate.
In vacuum treatment of molten metal, temperature of the melt can be decreased.
IN_VACUUM_DEGASSING_METHOD,_LOW_VISCOSITY_IS_CONSIDERED_TO_HAVE_NEGATIVE_INFLUENCE_ON_THE_REACTION_RATE.?$
The_effect_of_temperature_change_is_generally_neglected_during_the_vacuum_degassing_process.$
In vacuum treatment of molten metal, temperature of the melt can be decreased?
The effectiveness of vacuum treatment is reduced by the increase in surface area of the molten metal exposed to vacuum.
Which of the following formulas is used for determining the circulation rate (R) in recirculation degassing?
Which of the following gases is used in the method of recirculation degassing?
Degassing can be carried out by placing ladle containing liquid metal under vacuum.