What must be done to the outward end of most ceiling joists?
A) They must be connected with cleats. B) They must be attached to stub joists.
C) They must be lapped by a minimum of 6". D) They must be trimmed slightly.
D
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Look at your favorite Web site and find the difference between interior and exterior routing protocols.
What will be an ideal response?
Before a splice or connection can be made to a Type THHN conductor, the _____.
a. length must be measured b. thickness of the insulation must be measured c. conductor ends must be stripped and cleaned d. ends should be wrapped with THHN tape
Soil pH can be measured by landscapers using a simple ____________________, available from sources such as the local Cooperative Extension Service
Fill in the blank(s) with correct word
Technician A says that if a relay is normally open, it must be energized in order to complete the controlled circuit. Technician B says that if a solenoid-operated valve is normally closed, it must be energized in order to allow flow through it.Who is correct?
A. Technician A only B. Technician B only C. Both technicians D. Neither technician