25. Which of the following is an advantage of soldering or brazing?
a. speed of joining
b. less chance of damaging parts
c. low temperature
d. All of the Above
26. Fluxes that are inactive at room temperature ___.
a. must be neutralized after the job is completed
b. may result in corrosion if left on the part
c. must be removed if the part is to be painted
d. must always be removed
27. Soldering fluxes are chemical compounds such as ___.
a. fluorides
b. chlorides
c. boric acids
d. muriatic acid
28. What is an advantage of furnace brazing?
a. controlled atmosphere
b. corrosion protection
c. steam explosions
d. localized heating
29. For most soldered or brazed joints, ___ is usually fairly low.
a. shear strength
b. ductility
c. fatigue resistance
d. corrosion resistance
30. For a solder or braze joint, the ___ depends on the amount of overlapping area of the base parts.
a. shear strength
b. ductility
c. fatigue resistance
d. corrosion resistance
31. In ___ processing, the entire surface of the part can be covered with the filler metal at the same time being joined.
a. furnace
b. induction
c. dip
d. resistance
32. What is the paste range of an alloy of 61.9% tin and 38.1% lead?
a. No paste range
b. 12°F
c. 73°F
d. 173°F
33. The term phos-copper is used to refer to ___.
a. phosphorous brazing rods that are used on copper.
b. the type of joint being made using a copper alloy filler rod.
c. copper-phosphorus rods
d. a filler rod containing phosphate and copper.