A gas turbine must be rotated at _____ of its maximum speed before fuel is turned on. Power Engineering Chapter 71 A gas turbine must be rotated at _____ of its maximum speed before fuel is turned on. a. 10% to 30% b. 15% to 30% c. 20% to 30% d. 25% to 30% e. 25% to 50% Answer: C Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+