The deflection of a cantilever beam under load W is 8. If its width is halved, then the deflection under load W will be________________?

Related Mcqs:

1. 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

2. Other method of reducing shock load in the above case can be_________________?

   A. to decrease length
   B. to increase length
   C. unaffected by length
   D. other factors would decide same
   E. none of the above

3. 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

4. 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

5. In the case of an elastic bar fixed at upper end and loaded by a falling weight at lower end, the shock load produced can be decreased by_________________?

   A. decreasing the cross-section area of’ bar
   B. increasing the cross-section area of bar
   C. remain unaffected with cross-section area
   D. would depend upon other factors
   E. none of the above

6. Oil in journal bearing should be applied at the point where load is________________?

   A. nil or lightest
   B. maximum
   C. average
   D. any one of the above
   E. unpredictable

7. The connecting rod bolts are tightened up with initial tension greater than the external load so that___________________?

   A. joint may not open up
   B. bolts are weakest elements
   C. the resultant load on the bolt would not be affected by the external cyclic load
   D. bolts will not loosen during service
   E. none of the above

8. The resultant axial load on a bolt depends on_______________?

   A. initial tension
   B. external load applied
   C. relative elastic yielding (springness) of the bolt and the connected member
   D. A. and B. above
   E. A, B. and C. above

9. 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

10. Three different weights fall from a certain height under vacuum. They will take______________?

    A. same time to reach earth
    B. times proportional to weight to reach earth
    C. times inversely proportional to weight to reach earth
    D. unpredictable
    E. none of the above