MCQOPTIONS
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MCQOPTIONS
This section includes 14 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 the injection moulding process, venting at the runner side can reduce the air pressure. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
For the venting process, the casting yield is generally high with the overflow system in the mould. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
In the injection moulding process, an overflow system is used for the venting process. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
Improper venting during moulding process causes a diesel effect which further results in stress crack defects in the casting. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
FOR_THE_VENTING_PROCESS,_THE_CASTING_YIELD_IS_GENERALLY_HIGH_WITH_THE_OVERFLOW_SYSTEM_IN_THE_MOULD.?$ |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
In_the_injection_moulding_process,_venting_at_the_runner_side_can_reduce_the_air_pressure.$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 7. |
In the injection moulding process, an overflow system is used for the venting process? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 8. |
Vacuum technology for venting process is very economical and widely used in the casting process. |
| A. | True |
| B. | False |
| Answer» C. | |
| 9. |
Porous sintered materials can be inserted into the mould cavity to act as a vent. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 10. |
High viscosity of molten metal can help in removing of gases but will cause defects in the casting. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 11. |
For proper venting, the pouring time is increased which allow easy escape out of gases from the mould without inducing any defects. |
| A. | True |
| B. | False |
| Answer» C. | |
| 12. |
Improper venting during moulding process causes a diesel effect which further results in stress cracks defects in the casting. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 13. |
Which of the following effects is the effect caused by the ignition of oxygen due to high pressure and temperature of melt? |
| A. | Otto effect |
| B. | Dual effect |
| C. | Diesel effect |
| D. | Rankine effect |
| Answer» D. Rankine effect | |
| 14. |
Venting is a process which allows molten metal to compensate for its liquid and solidification shrinkage. |
| A. | True |
| B. | False |
| Answer» C. | |