Casting Product Design Sand Castings Online Exam Quiz
Casting Product Design Sand Castings GK Quiz. Question and Answers related to Casting Product Design Sand Castings. MCQ (Multiple Choice Questions with answers about Casting Product Design Sand Castings
What should be the ratio of rib thickness to wall thickness in castings for proper avoiding of concentration of metal at joints?
Options
A : 1 to 2
B : >2
C : >1
D : 0.6 to 0.8
Which of the following methods is used to detect a concentration of the metal?
Options
A : Check triangle method
B : Euler’s method
C : Finn’s method
D : Check circle method
In sand castings, modification of bosses is done to_____
Options
A : have good surface finish
B : to reduce the chances of porosity
C : to eliminate the use of core
D : to reduce casting yield
The formation of hot tears in the hand wheels or big gear wheels can be reduced by_____
Options
A : making the hub of greater strength
B : reducing the thickness of the spokes
C : increasing the ductility of the spokes
D : increasing the thickness of the spokes
Which of the following is not desirable in casting design for minimum stress concentration?
Options
A : Roundness of external corners
B : Local metal accumulations
C : No abrupt changes in casting walls
D : Uniform thickness of casting walls
Contours, cavities and passages in the casting can be possible without placing of any cores in the casting.
Options
A : True
B : False
C :
D :
Cooling of casting walls of non uniform thickness results into formation of tears or warping in the metal casting.
Options
A : True
B : False
C :
D :
In designing for economical moulding, it is not advisable to have complexities in the parting line.
Options
A : True
B : False
C :
D :
Non-uniform cross-sectional areas of the high temperature casting lead to having hot spots in the casting.
Options
A : True
B : False
C :
D :
Positive temperature gradient which gradually increases towards the feed head, avoid shrinkage defects.
Options
A : True
B : False
C :
D :
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