When tungsten touches the molten weld pool, ____________________ pulls the contamination up onto the hot tungsten.

Fill in the blank(s) with the appropriate word(s).


surface tension

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It is more difficult for new rings to seal against an out-of-round cylinder than a tapered one.

Answer the following statement true (T) or false (F)

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The force of the wind is dependent on the pressure differences that exist in an area. However, wind is more commonly measured by determining its _______________

Fill in the blank(s) with the appropriate word(s).

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The ______ is a unit of electrical resistance

A) Ampere B) Volt C) Ohm D) Coulomb

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Which type resistor has the best temperature stability?

A) metal-film resistor B) carbon-film resistor C) wire-wound resistor D) carbon-composition resistor

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