A. to decrease length
B. to increase length
C. unaffected by length
D. other factors would decide same
E. none of the above
Related Mcqs:
- 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 - The deflection of a cantilever beam under load W is 8. If its width is halved, then the deflection under load W will be________________?
A. 28
B. 8/2
C. 48
D. 8/4
E. none of the above - The shock absorbing capacity of a bolt can be increased by___________________?
A. tightening it properly
B. increasing shank diameter
C. grinding the shank
D. using washer
E. making shank diameter equal to core diameter of thread - When a bolt is subjected to shock loading, the resilience of the bolt should be considered in order to prevent breakage at_______________?
A. shank
B. head
C. in the middle
D. at the thread
E. anywhere in the bolt - 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 d is the diameter of bolt hole then for a flanged pipe joint to be leak proof, the circumferential pitch of the bolts should be_________________?
A. lOVZ
B. 10VZtol5Vd
C. 15Vdto20VZ
D. 20Vdto30Vd
E. 30V5″to40Vd - 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 - 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 - 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 - 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
