The buckling load will be maximum for a column, if

According to Euler's column theory, the crippling load for a column of length (l) fixed at both ends is __________ the crippling load for a similar column hinged at both ends.

A

Equal to

B

Two times

C

Four times

D

Eight times

The buckling load for a given column depends upon

A

Area of cross-section of the column

B

Length and least radius of gyration of the column

C

Modulus of elasticity for the material of the column

D

All of the above

For long columns, the value of buckling load is __________ crushing load.

A

Equal to

B

Less than

C

More than

D

None of these

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

The buckling load for a given material depends on

A

Slenderness ratio and area of cross-section

B

Poisson's ratio and modulus of elasticity

C

Slenderness ratio and modulus of elasticity

D

Slenderness ratio, area of cross-section and modulus of elasticity

-Column row+Column row+Column row এই ফরমূলা কিসের?

A

ভাগ এর

B

যোগ এর

C

গুণ এর

D

বিয়োগ এর

When the axis of load lies in the plane of rivet group, then the most heavily loaded rivet will be the one which (where, Fa is the load shared by each rivet due to axial load and Fm is the shearing load due to moment in any rivet.)

A

Is at the maximum distance from CG of the rivet group

B

Is at the minimum distance from CG of the rivet group

C

Gives the maximum angle between the two forces Fa and Fm

D

Gives the minimum angle between the two forces Fa and Fm

The load carrying capacity of a helically reinforced column as compared to that of a tied column is about

A

5% less

B

10% less

C

5% more

D

10% more

According to Euler's column theory, the crippling load for a column of length ($$l$$) with one end fixed and the other end hinged, is

A

$$\frac{{{\pi ^2}{\text{E}}I}}{{{l^2}}}$$

B

$$\frac{{{\pi ^2}{\text{E}}I}}{{4{l^2}}}$$

C

$$\frac{{2{\pi ^2}{\text{E}}I}}{{{l^2}}}$$

D

$$\frac{{4{\pi ^2}{\text{E}}I}}{{{l^2}}}$$

When a column is subjected to an eccentric load, the stress induced in the column will be

A

Direct stress only

B

Bending stress only

C

Shear stress only

D

Direct and bending stress both

The buckling load will be maximum for a column, if

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