Although some fit-up tools are often field-fabricated, which of these tools should never be field-fabricated?
a. Wedges
b. Jack stands
c. Strongbacks
d. Clips
b
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Open loop systems do not have feedback but are self regulating
Indicate whether the statement is true or false
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Calibration is the process where a set of known values are applied to a sensor-transmitter combination, and the corresponding output values are measured
Indicate whether the statement is true or false
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If the low-side test pressure is not known, the maximum pressure that should be used for leak testing an R-22 refrigeration system with hermetic compressor is:
A) 250 psig. B) 300 psig. C) 200 psig. D) 150 psig.
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For open-root V-groove welding of stainless-steel pipe, the bevel angle of the pipe should be _____
a. 10 to 15 degrees b. 20 to 30 degrees c. 10 to 30 degrees d. 30 to 37-1/2 degrees
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