Draw constructional details of C-types Bourdon tube and explain its working

Draw constructional details of C-types Bourdon tube and explain its working
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Answer :

Constructional details of C-types Bourdon tube :

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Explanation:- 1. The Bourdon tubes are made out of an elliptically sectioned flat tube bent in such a way as to produce the above mentioned shapes. 2. One end of the tube is sealed or closed and physically held. 3. Other end of tube is held fixed at one end (the end connected to the pressure source)4. Whose pressure is to be measured enters the tube, the tube tends to straighten out on account of the pressure. 5. This causes the movement of the free end which is measured. 6. A pointer is mounted on the shaft. The needle moves over a circular scale that indicates the pressure. The position of the needle is determined by a balance between the Bourdon tube developed torque acting on the shaft and the torque due to the shaft mounted spring that opposes its movement. 7. Bourdon tubes normally measure gauge pressure. 8. The materials used for Bourdon tubes are brass, phosphor bronze, beryllium copper, and steel 

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