Boards that have a thin rib on one side and a slot cut into the other are called
a. hinged c. notch-cut
b. tongue and groove d. dovetail
ANS: B
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The first stable compound of the C3 cycle is _______________
Fill in the blank(s) with correct word
The vacuum power booster requires vacuum and air at atmospheric pressure to operate.
Answer the following statement true (T) or false (F)
In regards to compressor operation:
A. The compressor draws in refrigerant vapor and pumps our refrigerant liquid. B. The compressor draws in liquid refrigerant from the evaporator and pumps out superheated refrigerant to the condenser. C. The compressor draws in low pressure superheated refrigerant and pumps out high pressure superheated refrigerant. D. The compressor draws in high pressure superheated vapor and pumps out low pressure superheated vapor.
Which of the following lamp types is generally the most energy efficient?
A) Incandescent. B) LED. C) High intensity discharge. D) Fluorescent.