Describe the size, placement, and types of arrowheads in an extension line.
What will be an ideal response?
The point or tip of the arrowhead touches the extension line. The size of the arrow is determined by the thickness of the dimension line and the size of the drawing. Closed and open arrowheads are the two shapes generally used. The closed arrowhead is preferred. The extension line usually projects 1/16 inch beyond a dimension line.
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Which crane base components generally eliminate operational quadrant restrictions?
a. Crawlers b. Ring attachments c. Outriggers/ stabilizers d. Rubber tires
?Technician A says that removing 0.015" of material from the cylinder wall will result in a bore that is 0.030" larger. Technician B says that a 0.030" oversized cylinder has a wall thickness that is 0.015" thinner than stock. Who is right?
A. ?Technician A only B. ?Technician B only C. ?Both A and B D. ?Neither A nor B
What are the three types of drive shafts?
What will be an ideal response?
Hard-drawn copper tubing is harder than soft tubing because _____
a. it has been annealed b. it has other metals combined with the copper c. of the drawing process used to manufacture it d. it has been through a special tempering process after forming