Which of the schematic symbols shown in the...

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Question 1 of 2066636eed28f7522a1c51da2c

Which of the schematic symbols shown in the illustration represents a normally closed float level switch? Illustration EL-0059

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Question 1 of 20

66636eed28f7522a1c51da2c

Which of the schematic symbols shown in the illustration represents a normally closed float level switch? Illustration EL-0059

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🔍 Key Concepts

• Difference between normally open (NO) and normally closed (NC) switch contacts in schematics • How float level switches are usually shown compared with pressure or temperature switches • Meaning of the small circle or other shape drawn near the moving contact in these symbols

💭 Think About

• First, decide which symbols clearly show NC contacts versus NO contacts when the actuator is in its normal (un-operated) condition. • Then, among the NC symbols, think about which actuator marking (circle, triangle, or other shape) would logically represent a float that moves with liquid level. • Compare the actuator shapes with the devices A–F in the top row and match which one is the float level switch, then see which symbol below uses the same actuator shape.

✅ Before You Answer

• Verify which device (A–F) is actually a float-operated level switch by looking for the float and lever arm. • Confirm that a normally closed contact is drawn so that, in its resting state, the path between the two fixed dots is complete. • Make sure the actuator symbol (e.g., circle for float, triangle for thermal bulb, etc.) in the schematic matches the physical type of sensor you identified above.

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Question 1 of 2066636eed28f7522a1c51da2c

Which of the schematic symbols shown in the illustration represents a normally closed float level switch? Illustration EL-0059

Back

Question 1 of 20

66636eed28f7522a1c51da2c

Which of the schematic symbols shown in the illustration represents a normally closed float level switch? Illustration EL-0059

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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