 
			 
			MCQOPTIONS
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				| 1. | To prevent leakage through the thread and protect the ends of the bolt from corrosion ________ is used. | 
| A. | Ring nut | 
| B. | Cap nut | 
| C. | Flanged nut | 
| D. | Capstan nut | 
| Answer» C. Flanged nut | |