What material are most of the wires in your house made of?
A) Silver B) Steel C) Gold D) Copper
D
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Which of the following is true with regard to suspended scaffolding?
a. Tieback lines must be perpendicular to the face of the structure. b. Check all ropes and cables monthly. c. Sand bags can be used as counterweights. d. Avoid lashing the scaffolding to the building or structure.
Which of the following is TRUE about the installation of condensate pumps on high-efficiency furnaces?
A) A filter must always be installed on the pump. B) Any pump may be used. C) A pump must be approved for use with condensate. D) A high-pressure pump must be used.
Common voltage values for motor starter coils (in volts AC) are: 24, 120, 208, 240, 277, 480, and 560.
Answer the following statement true (T) or false (F)
Figure 10-1 The letter I in Figure 10-1 means the controller ____.
A. performs an integral function B. has an indicator