Related Questions

If diameter of a reinforcement bar is d, the anchorage value of the hook is
A 4d
B 8d
C 12d
D 16d
The radius of a bar bend to form a hook, should not be less than
A Twice the diameter
B Thrice the diameter
C Four times the diameter
D Five times the diameter
Twenty women can do a work in sixteen days. Sixteen men can complete the same work in fifteen days. What is the ratio between the capacity of a man and a woman?
A 3 : 4
B 4 : 3
C 5 : 3
D Data inadequate
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 $$\frac{{{\text{w}}{l^4}}}{{2{\text{E}}}}$$
The length of the straight portion of a bar beyond the end of the hook, should be at least
A Twice the diameter
B Thrice the diameter
C Four times the diameter
D Seven times the diameter
The length of the lap in a compression member is kept greater than bar diameter x (Permissible stress in bar / Five times the bond stress) or
A 12 bar diameters
B 18 bar diameters
C 24 bar diameters
D 30 bar diameters
Mary, who is sixteen years old, is four times as old as her brother , How old will Mary be when she is twice as old as her brother?
A 20
B 24
C 25
D 26
If one angle of a triangle is three times a second angle and the third is 20 degrees more than the second angle, the second angle, in degrees, is
A 32
B 36
C 4
D None of these
For a longitudinal reinforcing bar in a column, the minimum cover shall neither be less than the diameter of bar nor less than
A 15 mm
B 25 mm
C 30 mm
D 40 mm
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 $$\frac{{{\text{w}}{l^2}}}{{8{\text{E}}}}$$

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