MCQOPTIONS
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MCQOPTIONS
This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Materials Metallurgy knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
How can cracks in casting be avoided? |
| A. | Soft ramming |
| B. | Correct pouring temperature |
| C. | Tapered edges |
| D. | Correct gating system |
| Answer» D. Correct gating system | |
| 2. |
Centrifugal casting is used for making _________ |
| A. | Solid casting |
| B. | U-tubes |
| C. | Washing machine parts |
| D. | Hollow casting |
| Answer» E. | |
| 3. |
Permanent mold casting is otherwise known as _____________ |
| A. | Pressure die casting |
| B. | Gravity die casting |
| C. | Centrifugal casting |
| D. | Continuous casting |
| Answer» C. Centrifugal casting | |
| 4. |
Lost wax process is used for making items of ___________ |
| A. | Brass and bronze |
| B. | Tin |
| C. | Cadmium |
| D. | Bismuth |
| Answer» B. Tin | |
| 5. |
Which of these is a refractory powder used in ceramic mold casting? |
| A. | Magnesia |
| B. | Helium |
| C. | Zircon |
| D. | Argon |
| Answer» D. Argon | |
| 6. |
The molten wax in investment casting is at a pressure of _______ |
| A. | 1 bar |
| B. | 4 bar |
| C. | 12 bar |
| D. | 26 bar |
| Answer» C. 12 bar | |
| 7. |
In shell molding, the pattern and sand are inverted after _________ |
| A. | 20-30 seconds |
| B. | 1-2 minutes |
| C. | 45-50 minutes |
| D. | 3-4 hours |
| Answer» B. 1-2 minutes | |
| 8. |
Phenolic resin and fine dry silica are mixed with ________ for shell mold casting. |
| A. | Warm water |
| B. | Cold water |
| C. | Mercury |
| D. | Alcohol |
| Answer» E. | |