MCQOPTIONS
 Saved Bookmarks
				| 1. | 
                                    An internal mouthpiece is said to be running free if the length of the mouthpiece is __________ the diameter of the orifice. | 
                            
| A. | Less than twice | 
| B. | More than twice | 
| C. | Less than three times | 
| D. | More than three times | 
| Answer» D. More than three times | |