Referring to figure "B" of the illustrated...

Question 1 / 2066636eed28f7522a1c51d99d

Question 1 of 2066636eed28f7522a1c51d99d

Referring to figure "B" of the illustrated control circuit schematic diagram, which of the following statements is true when the motor is running in the forward direction? Illustration EL-0011

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Question 1 of 20

66636eed28f7522a1c51d99d

Referring to figure "B" of the illustrated control circuit schematic diagram, which of the following statements is true when the motor is running in the forward direction? Illustration EL-0011

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🔍 Key Concepts

• Forward/reverse motor starter control circuits and how the F (forward) and R (reverse) contactor coils work • The difference between normally open (NO) and normally closed (NC) auxiliary contacts when a coil is energized vs de‑energized • Mechanical/electrical interlocking in Figure B that prevents both forward and reverse contactors from being energized at the same time

💭 Think About

• When the motor is running forward, which contactor coil must be energized, and which one must be de‑energized? Trace that in Figure B. • For an energized coil, what happens to its own NO and NC auxiliary contacts throughout the circuit? Now, what about the contacts belonging to the de‑energized coil? • Look at the interlock contacts labeled F and R in series with each coil. In forward operation, which of those must be open or closed to prevent the opposite direction from starting?

✅ Before You Answer

• Identify which coil (F or R) is actually powered when the circuit is in forward run and confirm the current path from L1 to L2. • For each statement, verify whether it matches the real state of that device’s NO/NC contacts under coil energization (not their resting state). • Confirm that any contact belonging to the non‑energized coil is still in its normal (rest) position, since that coil is not picked up.

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Question 1 of 20

Referring to figure "B" of the illustrated control circuit schematic diagram, which of the following statements is true when the motor is running in the forward direction? Illustration EL-0011

The normally open (NO) "F" contacts are closed.

The normally closed (NC) "F" contacts are closed.

The normally closed (NC) "R" contacts are open.

The normally open (NO) "R" contacts are closed.

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Question 1 / 2066636eed28f7522a1c51d99d

Question 1 of 2066636eed28f7522a1c51d99d

Referring to figure "B" of the illustrated control circuit schematic diagram, which of the following statements is true when the motor is running in the forward direction? Illustration EL-0011

Back

Question 1 of 20

66636eed28f7522a1c51d99d

Referring to figure "B" of the illustrated control circuit schematic diagram, which of the following statements is true when the motor is running in the forward direction? Illustration EL-0011

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

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