What schematic symbol is shown in the accompanying figure?





a. Normally Open Contacts

b. Solenoid Coil

c. Coil

d. Normally Closed Contacts


b. Solenoid Coil

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Technician A says that rod side play must be checked with thickness gauges on any rod that does not use fractured rod technology. Technician B says that cracked rod technology enables perfect cap to rod alignment so rod sideplay on reassembly is not required. Who is correct?

A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B

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What does flame spread index (FSI) mean? Does FSI apply to a material or an assembly?

What will be an ideal response?

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One of the primary steps in algebraic circuit simplification is to put the original expression into the sum-of-products form by repeated application of DeMorgan's theorems and multiplication of terms

Indicate whether the statement is true or false

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When leveling furring strips that are installed over an existing ceiling you should use screws to install furring strips

Indicate whether the statement is true or false

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