MCQOPTIONS
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| 1. |
The art of providing an outward slope of …. to the treads of wheels of rolling stock is known as coning of wheels. |
| A. | 1 in 10 |
| B. | 1 in 20 |
| C. | 1 in 4 |
| D. | 1 in 30 |
| Answer» C. 1 in 4 | |