Related Questions

The stress in the bar when the load is applied suddenly is __________ as compared to the stress induced due to gradually applied loads.
A Same
B Double
C Three times
D Four times
The stress induced in a body due to suddenly applied load compared to when it is applied gradually is
A Same
B Half
C Two times
D Four times
The strain energy stored in a body due to suddenly applied load compared to when it is applied gradually is
A Same
B Twice
C Four times
D Eight times
A bar L metre long and having its area of cross-section A, is subjected to a gradually applied tensile load W. The strain energy stored in the bar is
A $$\frac{{{\text{WL}}}}{{2{\text{AE}}}}$$
B $$\frac{{{\text{WL}}}}{{{\text{AE}}}}$$
C $$\frac{{{{\text{W}}^2}{\text{L}}}}{{{\text{AE}}}}$$
D $$\frac{{{{\text{W}}^2}{\text{L}}}}{{2{\text{AE}}}}$$
When a load W is applied suddenly on a bar of cross-sectional area A, the stress induced in the bar will be
A $$\frac{{\text{W}}}{{\text{A}}}$$
B $$\frac{{\text{W}}}{{2{\text{A}}}}$$
C $$\frac{{2{\text{W}}}}{{\text{A}}}$$
D $$\frac{{3{\text{W}}}}{{\text{A}}}$$
The stress induced in a body, when suddenly loaded, is _________ the stress induced when the same load is applied gradually.
A Equal to
B One-half
C Twice
D Four times
The strain energy stored in a body, when suddenly loaded, is __________ the strain energy stored when same load is applied gradually.
A Equal to
B One-half
C Twice
D Four times
In a new production process, the number of units produced during the first week was 450. If the efficiency gradually increase so that 10 additional units can be produced each week, how many will be produced in the 10th week?
A 490
B 700
C 540
D 640
When a bar of length '$$l$$' and diameter 'd' is rigidly fixed at the upper end and hanging freely, then the total elongation produced in the bar due to its own weight is (where w = Weight per unit volume of the bar)
A $$\frac{{{\text{w}}l}}{{2{\text{E}}}}$$
B $$\frac{{{\text{w}}{l^2}}}{{2{\text{E}}}}$$
C $$\frac{{{\text{w}}{l^3}}}{{2{\text{E}}}}$$
D $$\frac{{{\text{w}}{l^4}}}{{2{\text{E}}}}$$
In testing a pile by load test, pile platform is loaded with one and half times the design load and a maximum settlement is noted. The load is gradually removed and the consequent rebound is measured. For a safe pile, the net settlement (i.e. total settlement minus rebound) per tonne of test load should not exceed
A 10 mm
B 15 mm
C 20 mm
D 25 mm

Next steps