Which of the following is not necessary to have on hand when sketching?
A. paper
B. pencil
C. eraser
D. none of the above
Answer: D
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?When making a root weld with a straight step or "T", how do you get good root fusion to the backing strip?
A. ?By pushing the electrode into the root opening. B. ?By using a long arc with high amperage. C. ?By holding the electrode at a steep leading angle. D. ?By changing from DCEP to DCEN or AC current.
The most common approaches to the management of ethics include
a. a code of conduct. b. organizational policies. c. top-management support. d. a code of conduct and top-management support. e. a code of conduct, organizational policies, and top-management support.
Where do you measure the supply air temperature when checking furnace temperature rise?
A) As close to the furnace outlet as possible B) At the supply registers in the house C) in a small hole drilled in the vent D) Preferably in a duct after the air has left the supply plenum
Photodetectors can be used to sense the presence or absence of almost any object.
Answer the following statement true (T) or false (F)