Which leak detectors can be used with systems that are only charged with nitrogen?
A) Heated diode electronic detectors B) Corona discharge electronic detectors
C) Infrared detectors D) Ultrasonic leak detectors
D
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When using the weave technique, movement should be _____.? ?
A. relatively fast? B. relatively slow C. up and down? D. side to side?
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Explain why a part must be cleaned before repair or maintenance welding can be performed.
What will be an ideal response?
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Contractors do not bear any responsibility for safety and health on job sites
Indicate whether the statement is true or false
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What is regeneration, and what is its potential value?
What will be an ideal response?
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