Related Questions

The length of a conical bar is $$l$$, diameter of base is d and weight per unit volume is w. It is fixes at its upper end and hanging freely. The elongation of the bar under the action of its own weight will be
A $$\frac{{{\text{w}}{l^2}}}{{2{\text{E}}}}$$
B $$\frac{{{\text{w}}{l^2}}}{{4{\text{E}}}}$$
C $$\frac{{{\text{w}}{l^2}}}{{6{\text{E}}}}$$
D $$\frac{{{\text{w}}{l^2}}}{{8{\text{E}}}}$$
The ratio of elongation in a prismatic bar due to its own weight (W) as compared to another similar bar carrying an additional weight (W) will be
A 1 : 2
B 1 : 3
C 1 : 4
D 1 : 2.5
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 $$\frac{{{\text{w}}{l^4}}}{{2{\text{E}}}}$$
Weight of C is twice the weight of M. Weight of M is 1/9 of the weight of R. Weight of R is 5/2 of the weight of K. Weight of K is 1/3 of the weight of G. Who is the second lightest?
A C
B M
C K
D G
The total elongation produced in a bar of uniform section hanging vertically downwards due to its own weight is equal to that produced by a weight
A Of same magnitude as that of bar and applied at the lower end
B Half the weight of bar applied at lower end
C Half of the square of weight of bar applied at lower end
D One fourth of weight of bar applied at lower end
A simply supported uniform rectangular bar breadth b, depth d and length L carries an isolated load W at its mid-span. The same bar experiences an extension e under same tensile load. The ratio of the maximum deflection to the elongation, is
A $$\frac{{\text{L}}}{{\text{d}}}$$
B $$\frac{{\text{L}}}{{2{\text{d}}}}$$
C $${\left( {\frac{{\text{L}}}{{2{\text{d}}}}} \right)^2}$$
D $${\left( {\frac{{\text{L}}}{{3{\text{d}}}}} \right)^2}$$
Jony weighs twice as much as Suzan's. Suzan's weight is 60% of Sami's weight. Manik's weight is 50% of Lynda's weight. Lynda weight 190% of Jony's weight. Which of these 5 people weight the least?
A Suzan
B Manik
C Lynda
D Sami
Alam weighs twice as much as much as Marina. Marina's weight is 60% of Robin's weight. Drabir weight 50% of Lima's weight. Lima weight 190% of Alam's weight. Which of these 5 people weight the least?
A Robin
B Lima
C Drabir
D Marina
Alam weight twice as much as Marina. Marina's weight is 60% of Robin's weight. Drabir weight 50% of Lina's weight. Lina weighs 190% of Alam's weight. Which of these 5 persons weighs the least?
A Robin
B Lina
C Drabir
D Marina
Jasim's weight is 140% of Masum's weight. Bashir's weight is 90% of Limon's weight. Limon weights twice as much as Masum. What percentage of Jasim's weight is Bashir's weight?
A 6447%
B 7729%
C 12847%
D 15559%

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