Start-up and shutdown of equipment increase the susceptibility of thermal fatigue. There is no set limit on temperature swings; however, as a practical rule, cracking may be suspected if the temperature swing exceeds about _________.

Question

Quizplus · Accepted Answer

As per the given statement, there is no set limit on temperature swings that can cause cracking, but as a practical rule, if the temperature swing exceeds about 200º F, cracking may be suspected. Therefore, the best choice is B.

Start-Up and Shutdown of Equipment Increase the Susceptibility of Thermal