 
			 
			MCQOPTIONS
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				| 1. | In which of the following hyperbolic curves are not used in the design phase? | 
| A. | Cooling towers | 
| B. | Water channels | 
| C. | Stuffing box | 
| D. | Mirrors in long-distance telescopes | 
| Answer» D. Mirrors in long-distance telescopes | |