According to load factor method, the permissible load ‘W’ on a short column reinforced with longitudinal bars and lateral stirrups, is

The allowable tensile stress in mild steel stirrups, reinforced cement concrete, is

A

1400 kg/cm²

B

190 kg/cm²

C

260 kg/cm²

D

230 kg/cm²

In working stress design, permissible bond stress in the case of deformed bars is more than that in plain bars by

A

10%

B

20%

C

30%

D

40%

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 diameter of longitudinal bars of a column should never be less than

A

6 mm

B

8 mm

C

10 mm

D

12 mm

The minimum diameter of longitudinal bars in a column is

A

6 mm

B

8 mm

C

12 mm

D

16 mm

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

A column is regarded as long column if the ratio of its effective length and lateral dimension, exceeds

A

10

B

15

C

20

D

25

Spacing of stirrups in a rectangular beam, is

A

Kept constant throughout the length

B

Decreased towards the centre of the beam

C

Increased at the ends

D

Increased at the centre of the beam

The steel bars in a reinforced cement concrete beam are embedded __________ of the beam.

A

In the center

B

Near the bottom

C

Near the top

D

At any position

The section of a reinforced beam where most distant concrete fibre in compression and tension in steel attains permissible stresses simultaneously, is called

A

Balanced section

B

Economic section

C

Critical section

D

All the above

According to load factor method, the permissible load ‘W’ on a short column reinforced with longitudinal bars and lateral stirrups, is

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