Fatigue life is expected to increase by
A. Increasing the size of the sample
B. Smooth polishing of the surface of the sample
C. Having compressive residual stresses at the surface
D. Having tensile residual stresses at the surface
Answer: Option C
This Question Belongs to Chemical Engineering >> Chemical Engineering Basics
Related Questions on Chemical Engineering Basics
Which of the following will resist maxi-mum shock & vibration without cracking?
A. Grey cast iron
B. White cast iron
C. Malleable iron
D. Graphite
A. Pulverised fuel
B. Travelling grate stoker firing
C. Circulating fluidised bed
D. Fluidised bed
Isotropic materials have the same __________ in all directions.
A. Induced stresses
B. Density
C. Elastic properties
D. Thermal properties
Join The Discussion