What is the function of a tachometer?
A. measures engine rpm
B. measures road speed
C. displays engine hours
D. displays exhaust gas temperature
Answer: A
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____ magnets are magnets that do not require any power or force to maintain their field.
a. Temporary b. Permanent c. Field d. Adapter
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Determine the number of degrees through which the minute hand moves from 4:20 to 5:10.
Fill in the blank(s) with the appropriate word(s).
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Using a ________ technique with GMAW is avoided because it draws atmosphere into the arc, which contaminates the weld
A) backhand B) forehand C) Weave D) All of the above
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Porosity is the result of _____ in the weld
a. lack of penetration b. root penetration c. slag inclusions d. gas pockets
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