MCQOPTIONS
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MCQOPTIONS
This section includes 16 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 methods is best for cleaning of sand particles sticking to the casting surface? |
| A. | Chipping |
| B. | Sand blasting |
| C. | Grinding |
| D. | Hammering |
| Answer» C. Grinding | |
| 2. |
Which of the following techniques is used for smoothening of the rough cut gate edges on the castings? |
| A. | Hack sawing |
| B. | Flame cutting |
| C. | Sand blasting |
| D. | Pedestal or swing frame grinding |
| Answer» E. | |
| 3. |
A reduced metal section at the casting joint makes easy removal of gates and risers from the castings. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
Which of the following types of mould will have the longest period of cooling time for the same castings? |
| A. | Green sand mould of simple shape and size |
| B. | Dry sand mould of simple shape and size |
| C. | Dry sand mould of complex shape and size |
| D. | Green sand mould of complex shape and size |
| Answer» D. Green sand mould of complex shape and size | |
| 5. |
A_REDUCED_METAL_SECTION_AT_THE_CASTING_JOINT_MAKES_EASY_REMOVAL_OF_GATES_AND_RISERS_FROM_THE_CASTINGS.?$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
Which of the following methods is best for cleaning of sand particles sticking to the casting surface?$ |
| A. | Chipping |
| B. | Sand blasting |
| C. | Grinding |
| D. | Hammering |
| Answer» C. Grinding | |
| 7. |
Which_of_the_following_techniques_is_used_for_smoothening_of_the_rough_cut_gate_edges_on_the_castings?$ |
| A. | Hack sawing |
| B. | Flame cutting |
| C. | Sand blasting |
| D. | Pedestal or swing frame grinding |
| Answer» E. | |
| 8. |
Tumbling method, for cleaning of sand and unwanted fins from the castings, can be used for thin castings with fragile or overhung segments. |
| A. | True |
| B. | False |
| Answer» C. | |
| 9. |
Which of the following methods is more convenient for the removal of very large size gates and risers from the steel castings? |
| A. | Hammering |
| B. | Chipping |
| C. | Flame or arc cutting |
| D. | Hack sawing |
| Answer» D. Hack sawing | |
| 10. |
Flame or arc cutting method is used for the removal of dry sand cores from the castings. |
| A. | True |
| B. | False |
| Answer» C. | |
| 11. |
Which of the following processes is known as fettling? |
| A. | Cleaning of castings |
| B. | Pouring of melt into mould |
| C. | Releasing of gases from the melt |
| D. | Inclusion of slag in the castings |
| Answer» B. Pouring of melt into mould | |
| 12. |
For ferrous alloys, the breaking of mould should be done at a temperature_____ |
| A. | 780 ‚Äö√Ö‚àûC |
| B. | 850 ‚Äö√Ö‚àûC |
| C. | above 700 ‚Äö√Ö‚àûC |
| D. | below 700 ‚Äö√Ö‚àûC |
| Answer» E. | |
| 13. |
Faster and uneven cooling of hot casting affects the castings badly or may cause several defects in the castings. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 14. |
Which of the following types of mould will have longest period of cooling time for the same castings? |
| A. | Green sand mould of simple shape and size |
| B. | Dry sand mould of simple shape and size |
| C. | Dry sand mould of complex shape and size |
| D. | Green sand mould of complex shape and size |
| Answer» D. Green sand mould of complex shape and size | |
| 15. |
Pressure change of a melt is responsible for the cooling rate of the castings in the mould. |
| A. | True |
| B. | False |
| Answer» C. | |
| 16. |
Breaking of the sand mould is done after sufficient cooling of castings, to have_____ |
| A. | proper surface finish of castings |
| B. | no any distortion to castings |
| C. | high casting yield |
| D. | less casting yield |
| Answer» C. high casting yield | |