Casting Cast Irons Online Exam Quiz
Casting Cast Irons GK Quiz. Question and Answers related to Casting Cast Irons. MCQ (Multiple Choice Questions with answers about Casting Cast Irons
Up to what thickness can hot box process can be used for production?
Options
A : 10 mm- 40 mm
B : 30 mm- 50 mm
C : 40 mm- 80 mm
D : 70 mm- 100 mm
What would be the tensile strength of gray cast iron of class 20?
Options
A : 120 MPa
B : 163 MPa
C : 138 MPa
D : 152 MPa
What is the temperature in a core box typically?
Options
A : 120°C – 160°C
B : 180°C – 260°C
C : 200°C – 270°C
D : 290°C – 350°C
Up to what mass of gray cast irons can shell molds take?
Options
A : 300 kg
B : 400 kg
C : 500 kg
D : 600 kg
What is the tensile strength of thick gray cast iron?
Options
A : 71 MPa
B : 83 MPa
C : 95 MPa
D : 107 MPa
Which of the following materials cannot be used for making a core box?
Options
A : Aluminium
B : Steel
C : Zinc
D : Cast iron
Presence of which material in a gray cast iron causes reduced ductility?
Options
A : Graphite
B : Aluminium
C : Coke
D : Zinc
Green sand molding provides the best surface finish.
Options
A : True
B : False
C :
D :
Shell molding process is a costly process for gray iron castings.
Options
A : True
B : False
C :
D :
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