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)
Field is created in a coil of wire when ________
A) the coil has a core B) current flows through the wire C) current stops flowing through a wire
How far the tubing is installed inside of the fitting is called the _____
a. insertion length b. tubing length c. insertion depth d. cup depth
How do technicians increase the blower speed in a belt-driven motor?
A) They loosen belt tension. B) They tighten belt tension. C) They decrease pulley spread. D) They increase the pulley spread.