1. How many rungs must be cut for a ladder that is 20 feet long if the rungs are one foot apart and a rung must be welded at each end of the ladder? 2. A piece of flat bar has 14 equally spaced holes drilled in it. If the bar is 47" long and the two end holes are 4" in from each end, what is the distance between the centres of the holes? 3. Find the total length of the machine bracket as shown in the figure below. -1/2" 3/4" 47/64" ·? Machine Bracket -13/16"- 7/16"-32"

1. How many rungs must be cut for a ladder that is 20 feet long if the rungs are one foot apart and a rung must be welded at each end of the ladder? 2. A piece of flat bar has 14 equally spaced holes drilled in it. If the bar is 47" long and the two end holes are 4" in from each end, what is the distance between the centres of the holes? 3. Find the total length of the machine bracket as shown in the figure below. -1/2" 3/4" 47/64" ·? Machine Bracket -13/16"- 7/16"-32"

Construction Materials, Methods and Techniques (MindTap Course List)

4th Edition

ISBN:9781305086272

Author:William P. Spence, Eva Kultermann

Publisher:William P. Spence, Eva Kultermann

Chapter39: Plumbing Systems

Section: Chapter Questions

Problem 3RQ

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