Casting Melting Steel Stainless Steel Online Exam Quiz
Casting Melting Steel Stainless Steel GK Quiz. Question and Answers related to Casting Melting Steel Stainless Steel. MCQ (Multiple Choice Questions with answers about Casting Melting Steel Stainless Steel
How is much amount of chromium (in percent) normally added in steel to be called as stainless steel?
Options
A : 1-2 %
B : 2-5 %
C : 5-10%
D : 10-30 %
Which of the following materials is required in a technique of decarburizing the molten steel?
Options
A : Calcium carbonate
B : Sodium chloride
C : Carbon ferrochrome
D : Sodium ferrochrome
Which of the following types of stainless steels contain maximum amount of chromium in it?
Options
A : Duplex stainless steels
B : Martensitic stainless steels
C : Austenitic stainless steels
D : Precipitation hardenable stainless steels
Copper cannot be removed from steel scraps by the method of conventional refining.
Options
A : True
B : False
C :
D :
In argon oxygen decarburization (AOD) method, whole process is carried out in a converter type of vessel.
Options
A : True
B : False
C :
D :
Preheating of scrap material in steel making process can increase the overall productivity.
Options
A : True
B : False
C :
D :
Steel yield is highest in continuous casting method which significantly reduces scraps.
Options
A : True
B : False
C :
D :
In the manufacturing of stainless steel, oxidation of carbon and chromium cannot be possible.
Options
A : True
B : False
C :
D :
Obsolete scrap is the scrap which is relatively pure and its chemical composition is known.
Options
A : True
B : False
C :
D :
The dust produced from electric furnaces in steel making procedure is directly thrown out to the atmosphere via chimney.
Options
A : True
B : False
C :
D :
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