- (A) elasticity
- (B) endurance
- (C) strength
- (D) toughness
- (E) resilience
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- (A) ductile materials
- (B) brittle materials
- (C) equally serious in both cases
- (D) depends on other factors
- (E) unpredictable
- (A) cold working
- (B) shot peening
- (C) grinding and lapping surface
- (D) hot working
- (E) using gradual changes of section
- (A) metal strength by cycling
- (B) metal hardness by surface treatment
- (C) metal resistance to corrosion by coating
- (D) fatigue limit by overstressing the metal by successively increasing loadings
- (E) none of the above
- (A) 10°
- (B) 20°
- (C) 30°
- (D) 45°
- (E) 60°.
- (A) static load
- (B) dynamic load
- (C) impact load
- (D) static as well as dynamic load
- (E) completely reversed load
- (A) 40°
- (B) 122°
- (C) 136°
- (D) 152°
- (E) 161°.
- (A) straining
- (B) fatigue
- (C) creep
- (D) sudden loading
- (E) impact loading
- (A) very serious in brittle materials and less serious in ductile materials
- (B) very serious in ductile materials and less serious in brittle materials
- (C) equally serious in both types of materials
- (D) seriousness would depend on other factors
- (E) none of the above
- (A) cold working
- (B) shot peening
- (C) surface decarburisation
- (D) under-stressing
- (E) all of the above
