MCQOPTIONS
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				| 1. | 
                                    The function of conservator in a transformer is | 
                            
| A. | to project against internal fault | 
| B. | to reduce copper as well as core losses | 
| C. | to cool the transformer oil | 
| D. | to take care of the expansion and contraction of transformer oil due to variation of temper-ature of sur-roundings | 
| Answer» E. | |