The ____ possible gas flow rates and the ____ preflow or postflow time can help reduce the cost of welding.
A. highest, shortest
B. lowest, shortest
C. highest, longest
D. lowest, longest
Answer: B
Trades & Technology
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Which of the following is true?
A) If total economic surplus is positive due to a shift in a demand or supply curve, society is better off B) The law of diminishing marginal returns states that as the use of an input increases, its MPP will eventually fall C) AFC + AVC = ATC D) All of the above
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The correct piece of test equipment that you would use to determine the quality of the insulation of a motor winding would be a(n) ____.
A. megohmmeter B. ohmmeter C. clamp-on ammeter D. oscilloscope
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The least effective preventive measure for overcoming potential pressure hazards is proper design.