Which of the following lamp types is generally the most energy efficient?
A) Incandescent.
B) LED.
C) High intensity discharge.
D) Fluorescent.
B) LED.
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A three-phase, four-wire system that has the advantage of providing three-phase power and allowing lighting to be connected between any of the secondary phases and the neutral would have a(n) _____.
a. delta secondary b. wye secondary c. open delta secondary d. wild leg secondary
The amount of prime coat that is applied prior to HMA paving should be limited to the amount that _____.
a. adequately covers the subgrade soil b. fills the joints to the upper ring c. can be absorbed by the base in 24 hours d. will evaporate in a 12-hour period
_____ is used to accentuate the flowers and colors used in a design
A) Harmony B) Unity C) Accent D) Repetition
A contractor's estimating department is responsible for identifying the goals and objectives of the department.
Answer the following statement true (T) or false (F)