Explore topic-wise MCQs in Casting.

This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Casting knowledge and support exam preparation. Choose a topic below to get started.

1.

The heater in the vacuum forming process is heated up to 90°C.

A. True
B. False
Answer» B. False
2.

THE_HEATER_IN_VACUUM_FORMING_PROCESS_IS_HEATED_UP_TO_90¬¨ àûC.?$#

A. True
B. False
Answer» B. False
3.

The_initial_cost_in_blow_molding_is_low.$

A. True
B. False
Answer» B. False
4.

What is the maximum thickness that can be allowed for a plastics sheet in vacuum forming process?

A. 3 mm
B. 3.1 mm
C. 3.2 mm
D. 3.3 mm
Answer» D. 3.3 mm
5.

Which of the following is not an application of blow molding process?

A. Toy bodies
B. Door liners
C. Bottles
D. Pipes
Answer» C. Bottles
6.

What is the minimum thickness required by the plastic for vacuum forming?

A. 0.125 mm
B. 0.25 mm
C. 0.375 mm
D. 0.5 mm
Answer» B. 0.25 mm
7.

Which of the following is not a type of blow molding process?

A. Injection blow molding
B. Extrusion blow molding
C. Multi-smaller blow molding
D. Multi-larger blow molding
Answer» D. Multi-larger blow molding
8.

What can be the maximum pressure to be given to a plastic for blow molding process?

A. 700 kPa
B. 750 kPa
C. 800 kPa
D. 850 kPa
Answer» D. 850 kPa
9.

What is the minimum air pressure required in blow molding process?

A. 350 kPa
B. 400 kPa
C. 450 kPa
D. 500 kPa
Answer» C. 450 kPa
10.

Which of the following plastics is not used in blow molding?

A. Terephthalate
B. Polypropylene
C. Polythene
D. PVC
Answer» B. Polypropylene
11.

In blow molding, to inflate soft plastic, which medium is used?

A. Air
B. Water
C. Oil
D. Alcohol
Answer» B. Water