The Bourdon tube is often shaped in the form of a "C", having an arc span of about: Power Engineering Chapter 85 The Bourdon tube is often shaped in the form of a "C", having an arc span of about: a. 180 degrees b. 360 degrees c. 200 degrees d. 90 degrees e. 270 degrees Answer: E Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+