Is the safety valve capillary tube generally heated only by the heater pilot?

A) Yes, the heater pilot is the sole source of heat for the capillary tube.

B) No, the safety valve capillary tube can be heated by other sources.

C) The capillary tube is not heated.

D) The capillary tube is heated by an external source, not the heater pilot.

Question

25-12-2024
Physics

High School

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Is the safety valve capillary tube generally heated only by the heater pilot?

A) Yes, the heater pilot is the sole source of heat for the capillary tube.

B) No, the safety valve capillary tube can be heated by other sources.

C) The capillary tube is not heated.

D) The capillary tube is heated by an external source, not the heater pilot.

Answer :

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sabareesanse47 sabareesanse47 · Answer 1 · 2024-09-12T11:27:35-04:00

Final answer:

The safety valve capillary tube is not heated solely by the heater pilot; it can be heated by other sources as well, including the main burner, to control the flow of gas through the safety valve.

Explanation:

The correct answer to the question regarding the heating of the safety valve capillary tube is B) No, the safety valve capillary tube can be heated by other sources. The safety valve mechanism, typically found in gas appliances like water heaters, functions by sensing the temperature using the capillary tube, which is filled with a liquid that expands with heat. While the heater pilot can be a source of heat for the capillary tube, the primary function of the capillary tube is to sense temperature changes within the tank or appliance, which would then be influenced by the main burner or any other source of heat within the system, not solely the pilot light. The capillary tube controls the flow of gas through the safety valve based on these temperature fluctuations, acting as a critical safety feature.