Which of the listed conditions occur when...

Question 1 / 2066636eed28f7522a1c51d726

Question 1 of 2066636eed28f7522a1c51d726

Which of the listed conditions occur when selection is made for "third point hoist" on the winch hoist controller shown in the illustration? Illustration EL-0102

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Question 1 of 20

66636eed28f7522a1c51d726

Which of the listed conditions occur when selection is made for "third point hoist" on the winch hoist controller shown in the illustration? Illustration EL-0102

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🔍 Key Concepts

• Interpret the master switch contact table for the hoist positions (focus on the 3rd hoist point). • Trace which MS contacts feed each contactor coil (H, 1A, 2A, 3A, 4A). • Understand that the "third point hoist" corresponds to a specific speed step / connection pattern of the motor windings.

💭 Think About

• Looking at the Hoist column for point 3, which MS rows have an "X"? What does that tell you about which master switch contacts are closed? • From those closed MS contacts, follow the control circuit to see which contactor coils receive power and which ones lose power. • Compare the contactors/contacts you found in the circuit with the choices: which option matches both the MS contacts closed AND the contactors picked up or dropped out?

✅ Before You Answer

• Be sure you are reading the Hoist 3 column (not Lower 3 or Hoist 2/4). • Confirm exactly which numbered MS contacts are marked with an X at Hoist 3; list them before looking at the answer choices. • Verify which contactor coils (H, 1A, 2A, 3A, 4A) are in series with those MS contacts so you know which ones must be energized in the third hoist point.

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Question 1 of 20

Which of the listed conditions occur when selection is made for "third point hoist" on the winch hoist controller shown in the illustration? Illustration EL-0102

Master switch contacts "4","7", and "8" close.

Master switch contacts "2" (unused) and "4","5", and "6" close.

Contactors "H", "1A" and "2A" drop out.

Contactors "H", "3A", "4A" pick up.

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Question 1 / 2066636eed28f7522a1c51d726

Question 1 of 2066636eed28f7522a1c51d726

Which of the listed conditions occur when selection is made for "third point hoist" on the winch hoist controller shown in the illustration? Illustration EL-0102

Back

Question 1 of 20

66636eed28f7522a1c51d726

Which of the listed conditions occur when selection is made for "third point hoist" on the winch hoist controller shown in the illustration? Illustration EL-0102

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

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

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