Give an example of a safety constraint that might be imposed in a schedule
What will be an ideal response?
Weather can impact safety in a variety of ways. For example, in hot
climates it may be advisable to not perform work. If the temperature is 110° F it may
not be safe for workers to be applying asphalt. On such days, work might be schedule
to start as early in the day that workers can safely see what they are doing. If the
temperature is below freezing and there is some rain, it will be unsafe for workers to
be putting up roof decking on a sloped roof
When overhead work is performed, such a placing concrete on the 10th floor of an
office building, work might be stopped on the ground in the area over which the
concrete bucket will be swung. On roadwork, work might be stopped during the rush
hours (assuming very heavy and possibly fast traffic) to reduce the risks for the
construction workers.
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____ are cylindrical (or slightly tapered) fasteners that are typically used to maintain some desired position or orientation between parts.
A. Washers B. Pins C. Bolts D. Screws
What is the function of aerators?
What will be an ideal response?
A material with four electrons in the valence ring is called __________
A) An insulator B) A semiconductor C) A compound D) A conductor
Why should oil or grease never be used to lubricate oxygen or acetylene regulators?
A) It can result in valve damage due to corrosion. B) It decreases the accuracy of the gauges. C) It can react with certain chemicals or materials and result in an explosion. D) It will result in the loss of the manufacturer's warranty.