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3 Cards in this Set
- Front
- Back
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What is the compound gauge? |
When exposed to atmospheric pressure the dial on the gauge states 0. But will give a positive indication when exposed to pressures above atmospheric pressure and a negative indication when exposed to pressures below it.what |
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What is the tachometer ? |
This is a gauge to let the pump operator know the speed at which his/her engine is revolving. What |
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What is the frictional loss on a 70mm hose (25 metre) ? |
0.2 bar per 70mm hose |
