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| Q. |
Which of the following is used as indication instrument in a liquid expansion system? |
| A. | bellows |
| B. | bourdon tube |
| C. | ammeter |
| D. | thermometer |
| Answer» B. bourdon tube | |
| Explanation: bourdon tube converts pressure into displacement and in liquid expansion systems output expansion pressure is applied to bourdon tube for indication. | |
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