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back pressure

   Also found in: Medical, Acronyms, Encyclopedia, Wikipedia 0.04 sec.
back pressure
n
1. (Engineering / Mechanical Engineering) Engineering
a.  the pressure that opposes the motion of a piston on its exhaust stroke in an internal-combustion engine
b.  the exhaust pressure in external combustion engines
2. (Medicine / Pathology) Med the local pressure that builds up when fluid flow is obstructed in the cardiovascular or urinary systems


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? Mentioned in ? References in periodicals archive
 
The dual exhaust system has been revised with equal-length manifolds and 25% lower exhaust back pressure.
By employing a larger diameter pipe, Tanner is able to reduce the water's back pressure (some wells in his part of the Delta exceed 2,000 gal.
Headington said the system also takes into account the effect of changing pouring rates by self-tuning back pressure when the g/sec, setpoint is changed.
 
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