A. ductile materials
B. brittle materials
C. elastic materials
D. all of the above
E. none of the above
Related Mcqs:
- The maximum stress due to stress concentration in a bar having circular transverse hole, as compared to its static stress without hole will be_________________?
A. same in both cases
B. 2 times more
C. 3 times more
D. 4 times more
E. unpredictable - Shear stress theory is applicable for____________________?
A. ductile fnaterials
B. brittle materials
C. elastic materials
D. all of the above
E. none of the above - If shearing stress in nut is half the tensile stress in a bolt, then nut length should be equal to___________________?
A. diameter of bolt
B. 0.75 x diameter of bolt
C. 1.25 x diameter of bolt
D. 1.5 x diameter of bolt
E. 0.5 x diameter of bolt - Guest’s theory of failure is applicable for following type of materials_________________?
A. brittle
B. ductile
C. elastic
D. plastic
E. tough - Rankine’s theory of failure is applicable for following type of materials___________________?
A. brittle
B. ductile
C. elastic
D. plastic
E. tough - Endurance limit or fatigue limit is the maximum stress that a member can withstand for an infinite number of load applications without failure when subjected to________________?
A. dynamic loading
B. static loading
C. combined static and dynamic loading
D. completely reversed loading
E. all of the above - Stress concentration is caused due to_____________________?
A. variation in properties of material from point to point in a member
B. pitting at’points or areas at which loads on a member are applied
C. abrupt change of section
D. all of the above
E. none of the above - If a load W is applied instantaneously on a bar; then the stress induced in bar will___________________?
A. be independent of ratio of mass of load W to mass of bar (y)
B. increase with increase in y
C. decrease with decrease in y
D. depend on other considerations
E. none of the above - The permissible stress for carbon steel under static loading is generally taken as__________________?
A. 2000-3000 kg/pm2
B. 3000-4000 kg/cm2
C. 4000-4500 kg/cm2
D. 7500-10,000 kg/cm2
E. 10,000-15,000 kg/cm2 - Residual stress in materials_________________?
A. acts when external load is applied
B. becomes zero when external load is removed
C. is independent of external loads
D. is always harmful
E. is always beneficial
