MCQOPTIONS
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MCQOPTIONS
This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Mechanical Metallurgy Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The conventional strain along the length of the sheet which is subjected to bending is given as ____ |
| A. | Assume height of sheet is h and radius of the bend is R. |
| B. | R/h |
| C. | 1/[(2R/h) +1] |
| D. | 1/(R+h) |
| E. | R+h/h |
| Answer» C. 1/[(2R/h) +1] | |
| 2. |
The following diagram shows the steel plate bend along its edge plastically. The neutral axis (an axis with zero strain) will be indicated by which of the following _______ (where line 2 is in the centre of the sheet). |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | Need further information |
| Answer» D. Need further information | |
| 3. |
The maximum shear force required to cause the fracture on any metal surface is empirically defined as _____________ |
| A. | (Where σu – ultimate tensile strength of the metal, h-sheet thickness, L- total length of the sheared edge) |
| B. | σuhL |
| C. | 0.5σuhL |
| D. | 0.7σuhL |
| E. | σuh/L |
| Answer» D. 0.7σuhL | |