A type of hand-operated winching device that should never be used for vertical overhead lifting is a _____
a. chain hoist
b. come-along
c. block and tackle
d. ratchet lever hoist
b
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To determine the weight of a piece of pipe, you must first know the _____.
a. type of in-line equipment b. weight of 1 foot of pipe c. type of erection equipment d. direction of process flow
Just because a fertilizer product is advertised as "organic" or "natural" does not mean that it follows the set of standards outlined by the National Organic Program
Indicate whether the statement is true or false
What does the technician normally do when installing a gas vent on a rooftop packaged unit?
A) A vent hood is needed only if the unit is installed inside. B) The manufacturer-supplied hood is screwed onto the unit. C) An approved single-wall vent is piped at least 3 ft above the top of the unit. D) An approved double-wall vent is piped away from the unit to the side of the roof.
If each course of engineered-size brick bedded in mortar is equivalent to a height of 3.25", what is the total height in inches for twelve courses of these bricks? (Give answer to the nearest 100th inch.)
What will be an ideal response?