In multizone systems with one trunk duct to each zone, what is used to adjust the temperature of the air?
A) Mixing dampers B) Fans
C) Outside air D) Hot and cold decks
D
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Which of the following should you do when servicing tapered roller-type wheel bearings?
A. Reinstall the old hub seal B. Spin the bearings with compressed air C. Leave metal burrs in the hub seal recess D. Clean, inspect, and repack the bearings
Materials which will be used more frequently should be stored _____.
a. in locked storage b. toward the front of the storage area c. completely covered d. toward the back of the storage area
What advantage is there to using a remote air-cooled condenser on an ice machine?
What will be an ideal response?
To better spread the load supported by a caisson, the bottom of the caisson hole may be widened by a
process called _____. a. tapering b. belling c. bailing d. reaming