A test where infrared light absorption is used for assessing levels of soot, sulfates, oxidation, nitro-oxidation, glycol, fuel, and water contaminants.


Related Terms

TRY VALVES

Test valves on a water column used to verify the water level when the gauge glass is out of service.

POPOV'S STABILITY CRITERION

A frequency domain stability test for systems consisting of a linear component described by a transfer function preceded by a nonlinear component characterized by an input-output function), with a unity gain feedback loop surrounding the series connection.

PLUG GAGE

A steel gage that is used to test the dimension of a hole; may be straight or tapered, plain or threaded, and of any crosssectional shape.

PILOT-SCALE CHEMICAL REACTION

Small-scale chemical reaction used to test operating conditions and product yields; used as a pilot for design of large-scale reaction systems.

PERMAFROST DRILLING

Boreholes drilled in 397 permeameter permeate in a test specimen of ferromagnetic material by a given magnetic intensity, to permit computation of the magnetic permeability of the material.

PERMANENT SET

Permanent plastic deformation of a structure or a test piece after removal of the applied load. Also known as set.

PENETRATION SPEED

The speed at which a drill can cut through rock or other material. penetration test

PENETRATION DEPTH

1. In induction heating, the thickness of a layer, extending inward from a conductor's surface, whose resistance to direct current equals the resistance of the whole conductor to alternating current of a given frequency. 2. The greatest depth in an ultrasonic test piece at which indications can be measured.

PEG COUNT METER

A meter or register that counts the number of trunks tested, the number of circuits passed busy, the number of test failures, or the number of repeat tests completed.

PEEL TEST

A test to ascertain the adhesive strength of bonded strips of metals by peeling or pulling the metal strips back and recording the adherence values.

Related questions

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