Why do solenoid type valves pose a problem for some types of burners?

A) Solenoids open and close too slowly.
B) Solenoids open and close too quickly.
C) Solenoids' seal is not strong.
D) Solenoids create too much pressure when closing.


B

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Describe air-supported structures.

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A. Block flow diagrams B. Process flow diagrams C. Utility flow diagrams D. Electrical diagrams

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a. Functional and interest b. Functional and informal c. Task and interest d. Interest and informal e. Task and functional

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The body is protected from harmful bacteria infection and through the white cells found in:

What will be an ideal response?

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