The best place to connect the vacuum gauge is:
A) On the system. B) On the vacuum pump.
C) On the manifold gauges. D) Vacuum gauge placement is not critical.
A
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Go to your favorite Web site and find out, what is meant by the hidden terminal problem and the exposed terminal problems? Explain clearly, how can you address them?
What will be an ideal response?
?What characteristic of some fluxes can help to push the weld penetration deeper?
A. ?The larger mass of some bigger electrode flux coverings add a great deal of weight to the slag covering that force the weld penetration deeper. B. ?Some fluxes act as a thermal blanket holding the heat into the weld which lets the weld penetrate deeper. C. ?The formation of a crucible at the end of the electrode that acts as a combustion chamber. D. ?The only way to get deeper weld penetration is to turn the welder's amperage to the maximum.
What is a setting plate, or leveling plate, and what is its purpose?
What will be an ideal response?
In the accompanying figure, the circuiting symbol at the top stands for ____.
A. wiring concealed in floor B. wiring exposed C. wiring turned down D. wiring concealed in ceiling or wall