___________ is the result of cyclic stresses caused by variations in temperature.
A . Cyclic cracking
B . Stress cracking
C . Stress fatigue
D . Thermal fatigue
Answer: D
___________ is the result of cyclic stresses caused by variations in temperature.
A . Cyclic cracking
B . Stress cracking
C . Stress fatigue
D . Thermal fatigue
Answer: D