For a straight pull, the minimum length for a pull box with two 1" conduits and one 4" conduit on one wall and two 1" conduits and one 4" conduit entering the opposite wall is _____. (The conductor size is No. 4 AWG or larger, but operating at less than 1,000V.)
a. 24"
b. 26"
c. 32"
d. 34"
c. 32"
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An alternative to vent stacks that extend through a building's roof is the _____.
a. pressure-actuated vent b. air admittance vent c. air-metering vent d. make-up air vent
____________________ is a modification of type classification that utilizes a computer program to
score dairy cattle on a number of individual traits.
Fill in the blank(s) with the appropriate word(s).Available furnace cabinet configurations include:
A) Up-flow, down-flow, horizontal, lowboy, multiposition. B) Flame-resistant, flameproof, and explosionproof. C) Small, medium, and large. D) Vertical, horizontal, side-by-side, over-under, and wall mount.
What is the approximate ventilation requirement for low-temperature, air-cooled condensing units located in indoors?
A) 165 CFM per 1,000 BTU B) 400 CFM per 1,000 BTU C) 465 CFM per 1,000 BTU D) 200 CFM per 1,000 BTU