MCQOPTIONS
 Saved Bookmarks
				| 1. | 
                                    In plaster of paris the setting time is primarily altered by_________________? | 
                            
| A. | Altering P / L Ratio | 
| B. | Altering temperature of mixing water | 
| C. | Speed and length of hand spatulation | 
| D. | Addition of accelerators and retarders | 
| Answer» E. | |