MCQOPTIONS
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MCQOPTIONS
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. |
Which of the following materials is mostly used for making of thermoforming moulds? |
| A. | Steel |
| B. | Grey cast iron |
| C. | Aluminium |
| D. | White cast iron |
| Answer» D. White cast iron | |
| 2. |
Thermoforming is basically a cheap process as compared to injection and blow moulding process. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
In thermoforming, it is very easy to mould the plastic materials which are of crystalline nature. |
| A. | True |
| B. | False |
| Answer» C. | |
| 4. |
In thermoforming process, it is very difficult to control thickness of moulded parts or sheets. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
Thermoforming process involves injecting of molten plastic into a mould cavity by application of compressed air. |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
Single stage stretch blow moulding process is mostly used for small level production. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 7. |
Single stage stretch blow moulding is always preferred than two stage stretch blow moulding for increase in production rate. |
| A. | True |
| B. | False |
| Answer» C. | |
| 8. |
In extrusion blow moulding process, it is very difficult to trim away excess of plastics. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 9. |
Blow moulding is a very slow process, however economical for producing products with better quality. |
| A. | True |
| B. | False |
| Answer» C. | |
| 10. |
Which of the following moulding processes is widely used for the manufacturing of plastic bottles? |
| A. | Compression moulding |
| B. | Injection moulding |
| C. | Jet moulding |
| D. | Blow moulding |
| Answer» E. | |