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Robert Miller

Robert M.

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Questions asked

INSTANT ANSWER

The solid-state output switch of a sensor set to operate in dark mode will be ON when A) It sees its on light B) It doesn't see its own light C) the light from the emitter reflects off of the target and returns to the receiver D) the light from the emitter reflects off of the target and returns to the emitter

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INSTANT ANSWER

For the attached circuit, please describe the PB1, PB2, PB3 Start, etc. on how the circuit functions with the described 8 and 11 pin control relays as well as the lamps. Please describe after an energized state and an de-energized state. Do not explain how it's wired but the logic of what happens when particular buttons are pushed. Circuit Operation for a lab report.

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ANSWERED

Benjamin Densmore verified

Numerade educator

True or False. An N.C. (normally closed) pushbutton makes a circuit when it is pressed and returns to its open position when the button is released.

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ANSWERED

Ronald Prasad verified

Numerade educator

True or False. AC and DC contactor coils with the same voltage ratings are not normally interchangeable.

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ANSWERED

Ronald Prasad verified

Numerade educator

True or False. Pilot lights operating in conjunction with a contactor are normally controlled by power contacts.

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ANSWERED

Kenny Mesadieu verified

Numerade educator

True or False. A broken or open shading coil will cause a contactor to become extremely quiet.

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ANSWERED

Hubert Agamasu verified

Numerade educator

The main contacts of a contactor A) all of these B) are subject to mechanical wear C) are subject to electrical burning D) must carry their rated current without overheating

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ANSWERED

Tavis Lam verified

Numerade educator

True or False. Pilot lights operating in conjunction with a contactor are normally controlled by power contacts.

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INSTANT ANSWER

Ladder diagrams show A) the electrical connections B) pictorial representations of components C) the physical location of components D) all of these

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ANSWERED

Zack A verified

Numerade educator

When a dual-voltage motor is operated at the HIGHER voltage rating the operating A) power is higher B) current is lower C) current is higher D) power is lower

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