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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When gray cast iron is chilled rapidly, this material has the internal characteristics of gray cast iron and the surface advantage of white cast iron.
a. alloy cast iron b. chilled cast iron c. malleable cast iron d. white cast iron
What admixture would be suitable for slowing down the setting time of concrete in hot weather?
a. Refiner b. Retarder c. Hydrator d. Accelerator
After picking the order and prior to shipment, the goods are:
A) disaggregated. B) sorted. C) added to inventory. D) put away. E) consolidated.
When connecting a gauge manifold set, the air inside the hoses and gauge manifold:
A) Is removed by connecting a vacuum pump to the gauges before connecting them. B) Is neutralized by adding chemical buffers to the system annually. C) Is negligible and will not adversely affect the system. D) Is removed by purging.