what are venturi tubes?

what are venturi tubes?

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INTRODUCTION Venturi tubes, flow nozzles, and flow tubes, like all differential pressure producers, are based on Bernoulli’s theorem. General performance and calculations are similar to those for orifice plates. Modern precision manufacturing techniques allow much greater accuracy of the coefficient for venturi tubes…

BASIC LADDER LOGIC PROGRAMS

BASIC LADDER LOGIC PROGRAMS

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Ladder diagrams Ladder diagrams are specialized schematics commonly used to document industrial control logic systems. They are called “ladder” diagrams because they resemble a ladder, with two vertical rails (supply power) and as many “rungs” (horizontal lines) as there are control circuits…