The firebox is constructed of ____ layer(s) of masonry.

A. one
B. two
C. three
D. four


Answer: B

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Answer the following statement true (T) or false (F)

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In structural drafting, the CAD technician makes extensive use of lines to show the outline of the object being drawn. Which line type does this describe?

A. Illustration lines B. Physical lines C. Entity lines D. Object lines

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Corrosion on electrical terminals may cause ____________

A) Lights to be dimmer than normal B) Increased current flow in the circuit C) Both A and B D) Neither A nor B

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The primary reason for a DC series motor runaway condition is __________.

A. the armature current increases faster than the CEMF B. the CEMF does not increase as fast as the motor speed C. the CEMF increases faster than the motor speed

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