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This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Casting knowledge and support exam preparation. Choose a topic below to get started.
1. |
In injection moulding process, ribs are generally provided for the reinforcement to avoid sink marks from the component. |
A. | True |
B. | False |
Answer» B. False | |
2. |
A heavy surface finishing is always required for components made in injection moulding machine. |
A. | True |
B. | False |
Answer» C. | |
3. |
Shrinkage of the plastic parts in mould cavity can results in generation of sink holes in the plastic. |
A. | True |
B. | False |
Answer» B. False | |
4. |
The flow of plastic in the mould cavity is more proper and smooth if the thickness of the component made is very small. |
A. | True |
B. | False |
Answer» C. | |
5. |
The moulding directions in injection moulding can affect the cost of equipments used in the process. |
A. | True |
B. | False |
Answer» B. False | |
6. |
Which of the following cooling systems is used in injection moulding process to increase solidification rate of components made? |
A. | Air jet cooling system |
B. | Water cooling system |
C. | Cooling with free convection |
D. | Cooling with fins |
Answer» C. Cooling with free convection | |
7. |
The three mould technique is generally preferred than the two mould technique in injection moulding process. |
A. | True |
B. | False |
Answer» B. False | |
8. |
Components from injection moulding process are made very expensive due to the application of very costly equipment. |
A. | True |
B. | False |
Answer» C. | |
9. |
Complex shape of parts or components cannot be formed by the injection moulding process. |
A. | True |
B. | False |
Answer» C. | |
10. |
Which of the following processes of moulding is widely used for the manufacturing of bottle caps and automotive dashboards? |
A. | Compression moulding |
B. | Transfer moulding |
C. | Injection moulding |
D. | Jet moulding |
Answer» D. Jet moulding | |