Casting - Die Casting MCQs : This section focuses on the "Casting - Die Casting". These Multiple Choice Questions (MCQs) should be practiced to improve the Casting - Die Casting skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.
Question 1
A single piece or unitary part of the metallic die is used for making castings in die casting.
A. TRUE
B. FALSE
Question 2
Due to the presence of ejector die, there is no need of lubricant for the removal of casting from the dies.
A. TRUE
B. FALSE
Question 3
In cold chamber die casting, rapid cooling of the castings is done as compared to the hot chamber die casting.
A. TRUE
B. FALSE
Question 4
In hot chamber die casting processes, downward motion of plunger in the gooseneck leads to injection of molten metal into the cavity with high pressure.
A. TRUE
B. FALSE
Question 5
In hot chamber die casting, the plunger is also used for taking back of unused molten metal to the gooseneck after the fulfilling of the cavity.
A. TRUE
B. FALSE
Question 6
In the hot chamber die casting process, which of the following parts is used for the pumping of liquid metal into the cavity?
A. Accumulator
B. Slug
C. Guide pin
D. Gooseneck
Question 7
It is easy to produce any complex shapes and narrow sections in the die casting.
A. TRUE
B. FALSE
Question 8
The chances of defects in the castings by cold chamber die casting are more than the castings produced by hot chamber die casting.
A. TRUE
B. FALSE
Question 9
Using of the ladle in the cold chamber die casting has no affects on contact time between the molten metal and the shot chamber.
A. TRUE
B. FALSE
Question 10
Which of the following considerations distinguish die casting from the permanent mould casting?
A. Moulding material
B. Way of pouring molten metal
C. Coating on mould
D. Size of castings
Question 11
Which of the following materials is not suitable to be cast by a hot chamber die casting process?
A. Lead
B. Tin
C. Aluminium
D. Zinc
Question 12
Which of the following ways of cooling is used for the maintaining of die temperature?
A. Natural air cooling
B. Forced air cooling
C. Water channels cooling
D. Liquid nitrogen cooling