Which of the following RLL applications is not normally performed in early automation systems?

A) Proportional control of field devices B) Logical control of discrete devices
C) On/off control of field devices D) On/off control of motor starters


A

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The distance between the joint members at the bottom of the weld is called the ____________________ opening.

Fill in the blank(s) with the appropriate word(s).

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A commonly used commercial method for growing plants hydroponically is the nutrient film technique

Indicate whether the statement is true or false

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White ____________________ laboratory rats have been of major importance in medical, biological, and psychological research

Fill in the blank(s) with correct word

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What tool is used to remove the hex head machine screws in equipment panels?

A) Adjustable wrench B) The nut driver C) Locking pliers D) Phillips head screwdriver

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