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. |
In pneumatic chisel, what is the dust velocity normally? |
| A. | 270 meters/min |
| B. | 330 meters/min |
| C. | 370 meters/min |
| D. | 430 meters/min |
| Answer» D. 430 meters/min | |
| 2. |
In pneumatic chisel, ventilation is applied through a duct over the operator s hand. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
Which of the following cannot be a way of spreading dust? |
| A. | Enclosing the mixer |
| B. | Screening the sand |
| C. | Moistening the sand |
| D. | Treating the cast chemically |
| Answer» E. | |
| 4. |
What is the amount of clearance allowed between the slits and the collecting plate in Owan s appartaus? |
| A. | 0.5 mm |
| B. | 1 mm |
| C. | 2 mm |
| D. | 3 mm |
| Answer» C. 2 mm | |
| 5. |
What should be the width of the slit used in Owan s apparatus? |
| A. | 0.1 mm |
| B. | 0.2mm |
| C. | 0.3 mm |
| D. | 0.4 mm |
| Answer» B. 0.2mm | |
| 6. |
What is the average velocity at the slit in Owan s Jet counter apparatus? |
| A. | 100 m/s |
| B. | 150 m/s |
| C. | 250 m/s |
| D. | 360 m/s |
| Answer» D. 360 m/s | |
| 7. |
Which disease is caused by the inhalation of silica sand? |
| A. | Silver syndrome |
| B. | Silicosis |
| C. | Sillence syndrome |
| D. | Sinus venosus |
| Answer» C. Sillence syndrome | |
| 8. |
What will happen if continuously fine sands are removed from the molding mixture? |
| A. | Brittleness |
| B. | Poor finish |
| C. | Less elasticity |
| D. | More ductility |
| Answer» C. Less elasticity | |
| 9. |
Which of the following would not be counted among foundry dust? |
| A. | Bentonite |
| B. | Silica |
| C. | Iron |
| D. | Sea coal |
| Answer» D. Sea coal | |
| 10. |
What does LEV stand for? |
| A. | Local Exhaust Ventilation |
| B. | Limited Entry Ventilation |
| C. | Local Entry Ventilation |
| D. | Limited Exhaust ventilation |
| Answer» B. Limited Entry Ventilation | |