Which of the following is a common method for calibrating a pressure gauge?
A. Checking the internal components of the gauge
B. Applying a known pressure to the gauge and comparing the output
C. Measuring the resistance of the gauge coil
D. Testing the insulation resistance of the gauge
Answer:B
Which of the following is a common method for calibrating a pressure gauge?
A. Checking the internal components of the gauge B. Applying a known pressure to the gauge and comparing the output C. Measuring the resistance of the gauge coil D. Testing the insulation resistance of the gauge
Explanation: Calibrating a pressure gauge involves applying a known pressure to the gauge and comparing its output to a calibrated reference, typically using a deadweight tester or other calibrated instrument.