| 11. | Hydroformed joints were developed to reduce back pressure and ensure a free flow exhaust.
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| 12. | Air gaps may also protect against back pressure, and are generally favoured for this.
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| 13. | They read back pressure, and take into account resistance changes downstream from the needle valve.
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| 14. | You tinker with exhausts and back pressures and manifolds.
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| 15. | The back pressure generated through this type of flash suppressor helps to cycle the rifle.
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| 16. | Other than conquering back pressure and the rubber balloon's surface tension, you need to displace water.
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| 17. | The converter significantly reduced the power output of the engines due to increased exhaust back pressure.
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| 18. | Adjust duration of blow back pressure short enough to remove the cake form the filter cloth.
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| 19. | A further lowering of the back pressure changes and weakens the wave pattern in the jet.
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| 20. | This variability maintains a comparable exhaust velocity and back pressure throughout the engine s rev range.
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