MCQOPTIONS
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| 1. |
Which of the following properties a damping oil must possess ? |
| A. | Must be a good insulator |
| B. | Should be non-evaporating |
| C. | Should not have corrosive action upon the metal of the vane |
| D. | The viscosity of the oil should not change with the temperature |
| E. | All of the above |
| Answer» F. | |