?What type of groove is usually used for horizontal butt welds on ¼ in (6 mm) thick plates?
A. ?fillet groove
B. ?V-groove
C. ?U-groove, slower
D. ?bevel groove
Answer: B
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Traditionally, the contractor's field personnel did their best to complete the project as quickly as possible, with no regard to cost.
Answer the following statement true (T) or false (F)
Explain where self-supporting basement excavation may be used.
What will be an ideal response?
Dimmers installed in ungrounded conductors shall have overcurrent protection no greater than ____% of the dimmer rating and shall be disconnected from all ungrounded conductors when the dimmer's master or individual switch (or circuit breaker) is in the open position.
A. 100 B. 112 C. 125 D. 150
In the accompanying figure, the item identified with the letter B is ____.
A. the right vanishing point B. an object below the center of vision C. an object above the center of vision D. the left vanishing point