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jackiemartini09 jackiemartini09
wrote...
Posts: 504
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6 years ago
Impedance is the combined effect of:
 
  A) DC resistance and AC resistance.
  B) Resistance, inductive reactance, and capacitive reactance.
  C) Wattage and amperage.
  D) Potential and current.

 Q. 2

What is the normal pressure range for compound pressure gauges made for use on R-410a systems?
 
  A) 0 - 30 Hg vacuum and 0 - 120 psig pressure B) 0 - 500 psig pressure
  C) 0 - 30 Hg vacuum and 0 - 350 psig pressure D) 0 - 800 psig pressure

 Q. 3

Since a typical GTAW procedure uses no flux, it is usually not necessary to _____.
 
  a. perform postweld cleaning
  b. use a filler metal
  c. wear welding gloves
  d. ventilate the work area
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Replies
wrote...
6 years ago
Ans. to #1

B

Ans. to #2

C

Ans. to #3

a
wrote...
6 years ago
Perfect on my quiz, so smart <3
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