Wood roofs may be framed with solid lumber, engineered lumber, ____ timber, or a combination of any of these.

A. light
B. graded
C. heavy
D. natural


Answer: C

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Three-inch rigid conduit is bent using a(n) _____.

a. speed bender b. mechanical bender c. electric bender d. hydraulic bender

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List the bolt star-pattern tightening sequence for 12 bolts in a circular layout. Use the bolt at the 12 O’clock position as number 1 and proceed clockwise for the bolt numbering around the circle.

What will be an ideal response?

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A small horizontal rectangle is e placed with the bottom length on the reference line. Inside the rectangle is the notation 9/16, above the rectangle is the notation 25°, to the right of the rectangle is the notation 12, and to the left of the rectangle is the notation 5/8. What does this welding symbol signify?

A. A series of 5/8" in diameter plug welds is to be made on the other side. The angle of the welds is to be 25°, the depth of each weld is to be 9/16", and the pitch is to be 12. B. A series of slot welds 5/8" in width is to be made on the other side. The angle of the welds is to be 25°, the depth of each weld is to be 9/16", and the pitch is to be 12. C. A series of 5/8" in diameter plug welds is to be made on the arrow side. The angle of the welds is to be 25°, the depth of each weld is to be 9/16", and the pitch is to be 12. D. A series of 9/16" in diameter plug welds is to be made on the other side. The angle of the welds is to be 25°, the depth of each weld is to be 5/8", and the pitch is to be 12. E. None of the above. This is an incorrect symbol.

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Which of these tools is used for checking a diesel injector nozzle for proper spray pattern?

A) Pop tester B) Scan tool C) Pattern tester D) Injector test

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