Explain how layout sheets are used in isometric sketches.
What will be an ideal response?
The making of isometric drawings can be simplified if specially ruled isometric layout sheets are used. Considerable time may be saved as these graph sheets provide guide lines that run in three directions. The guide lines are parallel to the three isometric axes and to each other. The diagonal lines of the graph paper usually are at a given distance apart to simplify the making of the sketch and to ensure that all lines are in proportion to the actual size. The ruled lines are printed on a heavy paper that can be used over and over again as an underlay sheet for tracing paper.
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Using sketches, explain the difference between the construction details of a cementitious terrazzo floor and an epoxy terrazzo floor.
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As shown in the accompanying figure, backlash is the amount that a tooth space is greater than the engaging tooth on the pitch circles of two gears. Determine the average backlash of a gear with a working depth of 0.7764 inches using this formula: Average backlash = 0.030/P. Round to four decimal places.
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What is a course?
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________ studs are less than full-length studs above or below openings
A) Cripple B) Engineered lumber C) Jack D) Finger jointed