What does an orifice plate use to create a measurable pressure drop?

a. Pressure taps
b. A movable pressure plate
c. A fixed-area restriction
d. Variable vanes on a plate


c

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Which of the following conduit bodies has a single cover opening on both sides?

a. Type LB b. Type LL c. Type LR d. Type LRL

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What is the purpose of an aquastat?

What will be an ideal response?

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Electrical signals from transducers must be ________ before they can be interpreted by a digital computer

A) conditioned B) sequenced C) inverted D) converted

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List three primers used to prevent corrosion and where they should be used.

What will be an ideal response?

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