Building Construction Multiple Choice Online Exam Quiz
Building Construction Multiple Choice GK Quiz. Question and Answers related to Building Construction Multiple Choice. MCQ (Multiple Choice Questions with answers about Building Construction Multiple Choice
The manganese content in cast iron should be kept below __________
Options
A : 0.75%
B : 1%
C : 1.5%
D : 1.75%
Which chemical is used in the method of parkerizing, adopted to prevent corrosion?
Options
A : Alum
B : Borax
C : Pareo
D : Vitriol
The process of puddling is carried out in a ________
Options
A : Blast furnace
B : Flask
C : Cupola furnace
D : Reverberatory furnace
Which of the following is not a property of cast iron?
Options
A : Cast iron is hard but brittle
B : Cast iron can be magnetised
C : It does not rust readily
D : Cast iron is not ductile
In which type of casting, molten metal is poured into moulds which keep on rotating?
Options
A : Centrifugal casting
B : Chilled casting
C : Hollow casting
D : Sand casting
Corrosion of ferrous metals is known as ___________
Options
A : Enamelling
B : Rusting
C : Galvanising
D : Coal Tarring
The material obtained at the end of the shingling process is called as ________
Options
A : Flux
B : Slag
C : Bloom
D : Fuse
In which type of casting, the outer surface is made hard while the inner surface remains relatively soft?
Options
A : Hollow casting
B : Sand casting
C : Chilled casting
D : Die casting
Which of the following statements is not true about white cast iron?
Options
A : It has a silvery-white colour
B : White cast iron is quite hard
C : It melts with great difficulty
D : It can be used for delicate castings
Which variety of cast iron is obtained by melting cast iron with wrought iron scrap?
Options
A : Mottled cast iron
B : Chilled cast iron
C : Malleable cast iron
D : Toughened cast iron
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