When brazing larger joints, _____
a. use only a single orifice torch tip
b. use a soldering flux to make it easier to reach the needed temperature
c. small sections of the joint can be heated and brazed
d. a 95% tin/5% antimony solder is the best choice
c
You might also like to view...
The melting point of solid materials:
A) Is 212°F. B) Is 100°C. C) Is the change of state of a substance from a solid to a liquid at a given pressure and temperature when heat is added. D) Never considers pressures or temperatures.
The most important concern of the plumbing profession is
A. safety B. installing DWV systems C. installing potable water systems D. preventing cross connections
The accompanying figure shows the schematic symbol for a photovoltaic cell. What do the battery and arrow symbols mean?
What will be an ideal response?
The speed of the rotating magnetic field of a polyphase ac motor is called ____ speed.
A. variable B. critical C. synchronous D. proportional