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The speed and true direction from which the wind appears to blow with reference to a moving point. Sometimes called RELATIVE WIND
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The speed and true direction from which the wind appears to blow with reference to a moving point. Sometimes called RELATIVE WIND
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Related Terms |
POPPET VALVE
A cam-operated or spring-loaded reciprocating-engine mushroomtype valve used for control of admission and exhaust of working fluid; the direction of movement is at right angles to the plane of its seat.
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POINT OF CONTRAFLEXURE
A point at which the direction of bending changes. Also known as point of inflection.
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PLUNGE
To set the horizontal cross hair of a theodolite in the direction of a grade when establishing a grade between two points of known level.
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PIPEWORK SEE PIPING. PIPE WRENCH
A tool designed to grip and turn a pipe or rod about its axis in one direction only. piping
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PILOT BALLOON
A small balloon whose ascent is followed by a theodolite in order to obtain data for the computation of the speed and direction of winds in the upper air.
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PAWL
The driving link or holding link of a ratchet mechanism, permits motion in one direction only.
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PANORAMIC RADAR
Nonscanning radar which transmits signals over a wide beam in the direction of interest.
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ORIENTATION VECTOR
A vector whose direction indicates the orientation of a robot gripper.
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ORIENTATION
Establishment of the correct relationship in direction with reference to the points of the compass.
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ONE-SIDED ACCEPTANCE SAMPLING TEST
A test against a single specification only, in which permissible values in one direction are not limited.
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MarineProHelp 2018 - 2021
