You should not spray pure refrigerant into the sensing element of a leak detector.
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Q11: _ thermometers are simple, economical, and accurate.
Q12: The accuracy of a thermometer is more
Q13: It is important to note that Ohm's
Q14: _ means the changing of the instrument's
Q15: Ohm's law is represented with the formula:
Q17: Water boils at 220°F at sea level
Q18: Some instruments cannot be calibrated.
Q19: _ instruments measure the temperature of vapors,
Q20: Refrigeration technicians must have thermometers that are
Q21: Why is it necessary to check the
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