Which of the following is true of horizontal welds?
A. The weave pattern required for a horizontal weld is similar to other positions.
B. The sheet should not be tipped back at a 45 degree angle for stringer beads.
C. They must rely on some part of the weld bead to support the molten weld pool.
D. Care must be taken not to allow a shelf to build up under the molten weld pool.
Answer: C
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There is a definite relationship between the speed of the motor and the speed of the blower.
Answer the following statement true (T) or false (F)
How far the tubing is installed inside of the fitting is called the _____
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