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
Related Mcqs:
- Which of the following is not correct procedure to increase the fatigue limit_______________?
A. cold working
B. shot peening
C. surface decarburisation
D. under-stressing
E. all of the above - Stress concentration in cyclic loading is____________________?
Which is correct statement ?
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 - Stress concentration in cyclic loading is more serious in__________________?
A. ductile materials
B. brittle materials
C. equally serious in both cases
D. depends on other factors
E. unpredictable - Yield point in fatigue loading as compared to static loading is__________________?
A. same
B. higher
C. lower
D. depends on other factors
E. none of the above - An alien bolt is___________________?
A. self locking bolt
B. same as stud
C. provided with hexagonal depression in head
D. used in high speed components
E. provided with countersunk head - Transverse fillet welded joints are designed for________________?
A. tensile strength
B. compressive strength
C. shear strength
D. bending strength
E. torsional strength - Spring stiffness is__________________?
A. ratio of coil diameter to wire diameter
B. load required to produce unit deflection
C. its capability of storing energy
D. its ability to absorb shocks
E. none of the above - I.S. specifies following total number of grades of tolerances__________________?
A. 18
B. 16
C. 20
D. 22
E. 14 - When two springs are in series (having stiffness K), the equivalent stiffness will be________________?
A. K
B. K/2
C. 2K
D. KIA
E. UK - Applications in which stresses are encountered in one direction only uses following type of threads____________________?
A. metric
B. buttress
C. acme
D. square
E. BSW
