The _____ is the angle between the center line of the welding gun and the work.?
?
A. machine angle?
B. groove angle?
C. work angle?
D. gun angle?
Answer: C
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There are four major types of wire feed systems. They are push-type, pull-type, push-pull-type, and ____________________.
Fill in the blank(s) with the appropriate word(s).
Use care in handling freshly cut pipe threads because they are _____.
a. burry b. fragile c. sharp d. slippery with oil
CITES is one of the world's largest _____
a. conservation agreements b. international trade markets for exotic animals c. enforcement agencies for international trade laws d. refuges for illegally traded exotic animals
The evapotranspiration (ET) from a pine forest was found to be 50 cm during a growing season. If the evaporation from the soil surface during this period of time was 5 cm, what is the level of loss from leaf surfaces?
A) 45 cm B) 55 cm C) 10 cm D) 50.0 cm E) Impossible to calculate from the data given