Some high-temperature slags, called ____________________, solidify before the weld metal solidifies.
Fill in the blank(s) with the appropriate word(s).
refractory
You might also like to view...
The best time of year to prune is during the late fall to early winter because few other farming operations are done at this time
Indicate whether the statement is true or false
Bode plots are plotted on what type of paper?
A. Semi-log B. Wide frequency C. Asymptote D. Logarithm
Static pressure readings are taken on a duct system by:
A) Pointing the pressure-sensing tube perpendicular to the air stream. B) Subtracting the velocity pressure from the total pressure. C) Subtracting the total pressure from the velocity pressure. D) Pointing the pressure-sensing tube into the airstream.
Which of the following is used to supply biocides to steam and water systems?
a. Dual media filter b. Brine tank c. Automatic chemical feed controller d. Boiler blowdown control system