MCQOPTIONS
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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. |
The design of gate should be such as to |
| A. | avoid erosion of cores and mould cavity |
| B. | prevent scum, slag and eroded sand particles from entering the mould cavity |
| C. | minimize turbulence and dross formation |
| D. | all of the above |
| Answer» E. | |
| 2. |
In small castings which of the following allowance can be ignored? |
| A. | Machining allowance |
| B. | Rapping allowance |
| C. | Draft allowance |
| D. | Shrinkage allowance |
| Answer» C. Draft allowance | |
| 3. |
Average amount of sand required in a foundry for making one tonne of casting is nearly |
| A. | 2 tonnes |
| B. | 20 tonnes |
| C. | 0.1 tonne |
| D. | 0.2 tonne |
| Answer» C. 0.1 tonne | |
| 4. |
Of the following metals, the pouring rate should be minimum for |
| A. | brass |
| B. | cast iron |
| C. | aluminium |
| D. | steel |
| Answer» D. steel | |
| 5. |
The function of ejection pin in die casting is to |
| A. | pushout casting off the die |
| B. | provide movable core spaces |
| C. | facilitate die casting of several components |
| D. | none of the above |
| Answer» B. provide movable core spaces | |