MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following reasons is the incorrect reason for the blow holes inside the castings? |
| A. | Presence of moisture in the mould |
| B. | Lower venting |
| C. | Lower permeability of the mould |
| D. | High pressure of the molten metal |
| Answer» E. | |
| 2. |
Which of the following can be the reason for the aspiration effect? |
| A. | High pressure of molten metal |
| B. | High pouring temperature of molten metal |
| C. | Low viscosity of molten metal |
| D. | High viscosity of molten metal |
| Answer» C. Low viscosity of molten metal | |