What is the purpose of the bourdon tube in a pressure gauge?
A. To magnify the pressure reading
B. To provide a visual indication of pressure changes
C. To convert pressure into a mechanical deflection
D. To protect the gauge from overpressure
Answer:C
What is the purpose of the bourdon tube in a pressure gauge?
A. To magnify the pressure reading B. To provide a visual indication of pressure changes C. To convert pressure into a mechanical deflection D. To protect the gauge from overpressure
Explanation: The bourdon tube is the sensing element of a pressure gauge that converts pressure changes into a mechanical deflection. It is typically made of a curved, hollow metal tube that tends to straighten out when pressure is applied to it. The amount of deflection is proportional to the difference between the pressure being measured and a reference pressure.