MCQOPTIONS
Saved Bookmarks
| 1. |
In a block brake, when the fulcrum point is below the line of action of friction point, the ratio of effort required for clockwise and counter clockwise rotation is____. |
| A. | equal to 1 |
| B. | greater than 1 |
| C. | less than 1 |
| D. | unpredictable |
| Answer» D. unpredictable | |