What is the recommended amperage setting when welding with 1/8 inch E6011 or E6013?
a. 220 c. 125
b. 340 d. 110
ANS: C
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Where should a vehicle's thrust line be positioned?
What will be an ideal response?
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Blockout and metal connector sizes and locations needed in constructing floor/roof fabrication details are determined from the ____.
A. engineering calculation sketches B. framing plan C. shop drawings D. checkprints
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A residential A/C system that cools in summer and heats in winter by reversing the flow of refrigerant is called a:
A) PTAC system. B) Stand-alone A/C system. C) Window unit. D) Heat pump.
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When a chiller using R-11 is operating, the low pressure side of the system ____.
A. always shows a positive pressure B. is always in a vacuum C. contains a mixture of oil and air D. rejects oxygen and moisture
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