MCQOPTIONS
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MCQOPTIONS
| 1. |
What is the formula for the internal tapered angle of blind hole? |
| A. | Sin A/2 = (l<sub>1</sub>-l<sub>2</sub>)/2h |
| B. | Cot A/2 = (l<sub>1</sub>-l<sub>2</sub>)/2h |
| C. | Cos A/2 = (l<sub>1</sub>-l<sub>2</sub>)/2h |
| D. | Tan A/2 = (l<sub>1</sub>-l<sub>2</sub>)/2h |
| Answer» E. | |