A large amount of oxygen around flammable materials or sparks can cause _____
a. slow, persistent oxidation of the electrodes
b. severe weakening of the root pass welds
c. rust or scale to enter the weld puddle
d. rapid and uncontrolled combustion
d
Trades & Technology
You might also like to view...
If lumber is in contact with masonry, it must be _____.
a. secured with epoxy b. pressure treated c. separated by a waterproof underlayment d. secured with finishing nails
Trades & Technology
The technical name for athlete's foot is:
What will be an ideal response?
Trades & Technology
Binary multiplication is a form of
A) repeated binary addition. B) bit shifting with a shift register. C) inverse binary division. D) repeated binary subtraction.
Trades & Technology
Elevations are drawn on a single plan showing depth.
Answer the following statement true (T) or false (F)
Trades & Technology