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
Related Mcqs:
- Guest’s theory of failure is applicable for following type of materials_________________?
A. brittle
B. ductile
C. elastic
D. plastic
E. tough - 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 - 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 - Stress concentration in static loading is more serious in__________________?
A. ductile materials
B. brittle materials
C. equally serious in both cases
D. depends on other factors
E. unpredictable - 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 in static 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____________________?
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 - Maximum principal stress theory is applicable for_____________________?
A. ductile materials
B. brittle materials
C. elastic materials
D. all of the above
E. none of the above - The connecting rod bolts are tightened up so that tightening stress _________________?
A. is just sufficient to hold parts together
B. approaches yield point
C. is 50% of yield point
D. is about yield point divided by safety factor
E. none of the above
