?Why is it very important that the pipe welding test specimen be mounted so it does not move or vibrate during welding?
What will be an ideal response?
?Movement can increase the possibility that the tungsten gets contaminated. High frequency vibration such as that caused by a compressor, fan, or other similar machine can cause the molten weld pool to become more fluid making it difficult to control.
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What is another name given to solid-state, reduced-voltage starters because of their ability to provide a smoother, stepless start and acceleration?
a. Kick-start controllers b. Soft-start controllers c. Smooth-start controllers d. Boost-start controllers
Metals do not mix during the brazing process
Indicate whether the statement is true or false.
Before the advent of canning and refrigeration, about the only way of preserving meat was to ____________________ or dry it
Fill in the blank(s) with correct word
The heat anticipator produces heat while the heating thermostat contacts are in the open position
Indicate whether the statement is true or false