MCQOPTIONS
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MCQOPTIONS
This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Casting knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The solidification of casting in an insulating mould produces casting of hard and brittle nature. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
It is very necessary to use high refractoriness of mould material for the making of insulated mould. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
Chvorinov s rule is commonly used for prediction of surface finish of the casting made in the mould. |
| A. | True |
| B. | False |
| Answer» C. | |
| 4. |
Which of the following formulas is given by Chvorinov s rule for the estimation of total solidification time (ts)? |
| A. | t<sub>s</sub> = B/(V/A)<sup>n</sup> |
| B. | t<sub>s</sub> = B*(A/V)<sup>n</sup> |
| C. | t<sub>s</sub> = B*(V/A)<sup>n</sup> |
| D. | t<sub>s</sub> = B/(A/V)<sup>n</sup> |
| Answer» D. t<sub>s</sub> = B/(A/V)<sup>n</sup> | |