Describe the two general types of AHU's
What will be an ideal response?
There are two general types of air handling units that are used for central plant systems: ones with remote air handling units, called fan coil units, and ones with central station air handling units.
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To keep brickmaking and bricklaying secrets confined to their own groups, early masons _____ .
A. allowed only family members to join the trade B. patented their trade secrets C. required student to pay for the right to learn the secrets D. banded together in organizations called guilds
Spot detectors containing a light source and a photosensitive device on which light rays do not normally fall operate on the _____.
a. ionization principle b. light-scattering principle c. light-obscuration principle d. smoke-rate compensation principle
In its simplest form, bonding means
A. the same thing as grounding. B. connected to a grounding electrode. C. providing a path for current flow. D. a ground fault.
Most types of concrete slabs that are totally supported by the ground beneath them are _____
a. monotonous b. lithotropic c. dendritic d. monolithic