The diameter of ties in a column should be (A) More than or equal to one fourth of diameter of main bar (B) More than or equal to 5 mm (C) More than 5 mm but less than one-fourth of diameter of main bar (D) More than 5 mm and also more than one-fourth of diameter of main bar

The diameter of ties in a column should be
(A) More than or equal to one fourth of diameter of main bar
(B) More than or equal to 5 mm
(C) More than 5 mm but less than one-fourth of diameter of main bar
(D) More than 5 mm and also more than one-fourth of diameter of main bar
by

1 Answer

Answer :

Answer: Option D
by

Related questions

If the diameter of longitudinal bars of a square column is 16 mm, the diameter of lateral ties should not be less than (A) 4 mm (B) 5 mm (C) 6 mm (D) 8 mm

Description : If the diameter of longitudinal bars of a square column is 16 mm, the diameter of lateral ties should not be less than (A) 4 mm (B) 5 mm (C) 6 mm (D) 8 mm

Last Answer : Answer: Option B

The diameter of transverse reinforcement of columns should be equal to one-fourth of the diameter of the main steel rods but not less than (A) 4 mm (B) 5 mm (C) 6 mm (D) 7 mm

Description : The diameter of transverse reinforcement of columns should be equal to one-fourth of the diameter of the main steel rods but not less than (A) 4 mm (B) 5 mm (C) 6 mm (D) 7 mm

Last Answer : Answer: Option D

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

Description : 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

Last Answer : Answer: Option D

Minimum cover to longitudinal steel in a column should be (if the diameter of bar, Ø> 12mm) [ A ] 25 mm [ B ] 30 mm [ C ] 40 mm [ D ] 50 mm

Description : Minimum cover to longitudinal steel in a column should be (if the diameter of bar, Ø> 12mm) [ A ] 25 mm [ B ] 30 mm [ C ] 40 mm [ D ] 50 mm

Last Answer : [ C ] 40 mm

The Minimum bar spacing should not be less than [ A ] Diameter of the largest bar [ B ] Maximum size of aggregate [ C ] Greater of diameter of the largest bar and maximum size of aggregate [ D ] Greater of diameter of the largest bar and maximum size of aggregate plus 5 mm

Description : The Minimum bar spacing should not be less than [ A ] Diameter of the largest bar [ B ] Maximum size of aggregate [ C ] Greater of diameter of the largest bar and maximum size of aggregate [ D ] Greater of diameter of the largest bar and maximum size of aggregate plus 5 mm

Last Answer : [ D ] Greater of diameter of the largest bar and maximum size of aggregate plus 5 mm

The minimum cover to the ties or spirals should not be less than (A) 15 mm (B) 20 mm (C) 25 mm (D) 50 mm

Description : The minimum cover to the ties or spirals should not be less than (A) 15 mm (B) 20 mm (C) 25 mm (D) 50 mm

Last Answer : Answer: Option C

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

Description : 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

Last Answer : Answer: Option D

Which of the following statements is incorrect? (A) Minimum cross sectional area of longitudinal reinforcement in a column is 0.8% (B) Spacing of longitudinal bars measured along the periphery of column should not exceed 300 mm (C) Reinforcing bars in a column should not be less than 12 mm in diameter (D) The number of longitudinal bars provided in a circular column should not be less than four

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Last Answer : Answer: Option D

Select the incorrect statement from the following [ A ] Reinforcing bars in a column should not be less than 12 mm in diameter [ B ] The number of longitudinal bars in a circular column should not exceed four [ C ] The minimum percentage of longitudinal steel in columns should be 0.8% [ D ] None of the above

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Last Answer : [ B ] The number of longitudinal bars in a circular column should not exceed four

The load carrying capacity of helically reinforced column as compared to that of column with ties is about [ A ] 5% less [ B ] 5% more [ C ] 10% less [ D ] 10% more`

Description : The load carrying capacity of helically reinforced column as compared to that of column with ties is about [ A ] 5% less [ B ] 5% more [ C ] 10% less [ D ] 10% more`

Last Answer : [ B ] 5% more

According to IS: 456 -2000, the spacing of links in a Column should be less than [ A ] 16 x diameter of smallest longitudinal bar [ B ] 24 x diameter of smallest longitudinal bar [ C ] 48 x diameter of smallest longitudinal bar [ D ] 48 x diameter of greatest longitudinal bar

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Last Answer : [ A ] 16 x diameter of smallest longitudinal bar

The minimum thickness of the cover at the end of a reinforcing bar should not be less than twice the diameter of the bar subject to a minimum of (A) 10 mm (B) 15 mm (C) 20 mm (D) 25 mm

Description : The minimum thickness of the cover at the end of a reinforcing bar should not be less than twice the diameter of the bar subject to a minimum of (A) 10 mm (B) 15 mm (C) 20 mm (D) 25 mm

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The minimum cover in a slab should neither be less than the diameter of bar nor less than (A) 10 mm (B) 15 mm (C) 25 mm (D) 13 m

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The effective width of a column strip of a flat slab, is (A) One-fourth the width of the panel (B) Half the width of the panel (C) Radius of the column (D) Diameter of the column

Description : The effective width of a column strip of a flat slab, is (A) One-fourth the width of the panel (B) Half the width of the panel (C) Radius of the column (D) Diameter of the column

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According to IS:456, the diameter of the helices in circular a column shall be at least [ A ] The diameter of longitudinal steel [ B ] One-half the diameter of longitudinal steel [ C ] One-fourth the diameter of longitudinal steel [ D ] Three-fourth the diameter of longitudinal steel

Description : According to IS:456, the diameter of the helices in circular a column shall be at least [ A ] The diameter of longitudinal steel [ B ] One-half the diameter of longitudinal steel [ C ] One-fourth the diameter of longitudinal steel [ D ] Three-fourth the diameter of longitudinal steel

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The diameter of the Links in column should be at least……….of the largest diameter of the longitudinal steel [ A ] One-half [ B ] Three-fourth [ C ] One eighth [ D ] One – fourth

Description : The diameter of the Links in column should be at least……….of the largest diameter of the longitudinal steel [ A ] One-half [ B ] Three-fourth [ C ] One eighth [ D ] One – fourth

Last Answer : [ D ] One – fourth

In any case, the minimum diameter of the link in a column, according to IS:456-2000 is [ A ] 5 mm [ B ] 6 mm [ C ] 8 mm [ D ] 10 mm

Description : In any case, the minimum diameter of the link in a column, according to IS:456-2000 is [ A ] 5 mm [ B ] 6 mm [ C ] 8 mm [ D ] 10 mm

Last Answer : [ B ] 6 mm

The diameter of main bars in R.C.C. columns, shall not be less than (A) 6 mm (B) 8 mm (C) 10 mm (D) 12 mm

Description : The diameter of main bars in R.C.C. columns, shall not be less than (A) 6 mm (B) 8 mm (C) 10 mm (D) 12 mm

Last Answer : Answer: Option D

The purpose of lateral ties in short R.C. columns is to (a) Increase the load carrying capacity of column (b) Facilitate compaction of concrete (c) Facilitate construction (d) Avoid buckling of longitudinal bars

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Last Answer : (d) Avoid buckling of longitudinal bars

An R.C.C. column of 30 cm diameter is reinforced with 6 bars 12 mm placed symmetrically along the circumference. If it carries a load of 40, 000 kg axially, the stress is (A) 49.9 kg/cm2 (B) 100 kg/cm2 (C) 250 kg/cm2 (D) 175 kg/cm

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Last Answer : Answer: Option A

The minimum diameter of longitudinal bars in a column is (A) 6 mm (B) 8 mm (C) 12 mm (D) 16 mm

Description : The minimum diameter of longitudinal bars in a column is (A) 6 mm (B) 8 mm (C) 12 mm (D) 16 mm

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Minimum pitch of transverse reinforcement in a column is (A) The least lateral dimension of the member (B) Sixteen times the smallest diameter of longitudinal reinforcement bar to be tied (C) Forty-eight times the diameter of transverse reinforcement (D) Lesser of the above three values

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A steel bar 20 mm in diameter simply-supported at its ends over a total span of 40 cm carries a load at its centre. If the maximum stress induced in the bar is limited to N/mm2, the bending strain energy stored in the bar, is (A) 411 N mm (B) 511 N mm (C) 611 N mm (D) 711 N mm

Description : A steel bar 20 mm in diameter simply-supported at its ends over a total span of 40 cm carries a  load at its centre. If the maximum stress induced in the bar is limited to N/mm2, the bending  strain energy stored in the ... (A) 411 N mm  (B) 511 N mm  (C) 611 N mm  (D) 711 N mm 

Last Answer : (C) 611 N mm 

The maximum diameter of a bar used in a ribbed slab, is (A) 12 mm (B) 6 mm (C) 20 mm (D) 22 mm

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A reinforced concrete slab is 75 mm thick. The maximum size of reinforcement bar that can be used is (a) 6 mm diameter (b) 8 mm diameter (c) 10 mm diameter (d) 12 mm diameter

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A compound bar consists of two bars of equal length. Steel bar cross-section is 3500 mm2 and that of brass bar is 3000 mm2 . These are subjected to a compressive load 100,000 N. If Eb = 0.2 MN/mm2 and Eb = 0.1 MN/mm2 , the stresses developed are: (A) b = 10 N/mm2s = 20 N/mm2(B) b = 8 N/mm2s = 16 N/mm2(C) b = 6 N/mm2s = 12 N/mm2(D) b = 5 N/mm2s = 10 N/mm

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In a short cylindrical external mouthpiece, the vena contracta occurs at a distance __________ the diameter of the orifice from the outlet of orifice. (A) Equal to (B) One-fourth (C) One-third (D) One-half

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Last Answer : Answer: Option B

The discharge through a convergent mouthpiece is __________ the discharge through an internal mouthpiece of the same diameter and head of water. (A) Equal to (B) One-half (C) Three fourth (D) Double

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The diameter of the stirrups according to IS : 456-2000 should not be less than [ A ] 5 mm [ B ] 6 mm [ C ] 8 mm [ D ] 10 mm

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Last Answer : [ B ] 6 mm

The length of lap in tension reinforcement should not be less than the bar diameter × (actual tension / four times the permissible average bond stress) if it is more than (A) 18 bar diameters (B) 24 bar diameters (C) 30 bar diameters (D) 36 bar diameters

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In a reinforced concrete column, the cross –sectional area of steel bar is as and that of concrete ia AC; the equivalent area of the section n terms of concrete is equal to. (a) As+mAc (b) Ac+mAs (c) As-mAc (d) Ac-mAs

Description : In a reinforced concrete column, the cross –sectional area of steel bar is as and that of concrete ia AC; the equivalent area of the section n terms of concrete is equal to. (a) As+mAc (b) Ac+mAs (c) As-mAc (d) Ac-mAs

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If W is total load per unit area on a panel, D is the diameter of the column head, L is the span in two directions, then the sum of the maximum positive bending moment and average of the negative bending moment for the design of the span of a square flat slab, should not be less than (A) WL/12 (L - 2D/3)² (B) WL/10 (L + 2D/3)² (C) WL/10 (L - 2D/3)² (D) WL/12 (L - D/3)²

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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

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Last Answer : Answer: Option A

Minimum spacing between horizontal parallel reinforcement of different sizes, should not be less than (A) One diameter of thinner bar (B) One diameter of thicker bar (C) Twice the diameter of thinner bar (D) None of these

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Last Answer : Answer: Option B

The clear cover in a simply supported slab should not be less than the diameter of the reinforcing bar (a) Correct (b) Incorrect’ (c) Not known (d) None of these

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Last Answer : (a) Correct

If the diameter of the main reinforcement in a slab is 16 mm, the concrete cover to main bars is (A) 10 mm (B) 12 mm (C) 14 mm (D) 16 mm

Description : If the diameter of the main reinforcement in a slab is 16 mm, the concrete cover to main bars is (A) 10 mm (B) 12 mm (C) 14 mm (D) 16 mm

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The range within which a load can be applied on a rectangular column, to avoid any tensile stress, is (A) One-half of the base (B) One-fifth of the base (C) One-fourth of the base (D) One-fifth of the base

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Top bars are extended to the projecting parts of the combined footing of two columns Ldistance apart for a distance of (A) 0.1 L from the outer edge of column (B) 0.1 L from the centre edge of column (C) Half the distance of projection (D) One-fourth the distance of projection

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Last Answer : Answer: Option B

If a concrete column 200 × 200 mm in cross-section is reinforced with four steel bars of 1200 mm2 total cross-sectional area. Calculate the safe load for the column if permissible stress in concrete is 5 N/mm2 and Es is 15 Ec (A) 264 MN (B) 274 MN (C) 284 MN (D) 294 MN

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Last Answer : (C) 284 MN 

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Last Answer : (a) 1.5 mm less than the plate thickness

A steel bar 5 m × 50 mm is loaded with 250,000 N. If the modulus of elasticity of the material is 0.2 MN/mm2 and Poisson's ratio is 0.25, the change in the volume of the bar is: (A) 1.125 cm3 (B) 2.125 cm3 (C) 3.125 cm3 (D) 4.125 cm

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Last Answer : (C) 3.125 cm

The Maximum diameter steel in slabs should not exceed --------- the total thickness of the slab [ A ] One-half [ B ] One-fourth [ C ] One-eighth [ D ] One-sixteenth

Description : The Maximum diameter steel in slabs should not exceed --------- the total thickness of the slab [ A ] One-half [ B ] One-fourth [ C ] One-eighth [ D ] One-sixteenth

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The diameter of the column head support a flat slab, is generally kept (A) 0.25 times the span length (B) 0.25 times the diameter of the column (C) 4.0 cm larger than the diameter of the column (D) 5.0 cm larger than the diameter of the column

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Last Answer : Option A

A column said to be under uniaxial bending, when the eccentricity is [ A ] with respect to one axis only [ B ] with respect to two axes [ C ] zero [ D ] 20 mm

Description : A column said to be under uniaxial bending, when the eccentricity is [ A ] with respect to one axis only [ B ] with respect to two axes [ C ] zero [ D ] 20 mm

Last Answer : [ A ] with respect to one axis only

The Maximum spacing of the longitudinal bars measured long the periphery of the column should be [ A ] 250 mm [ B ] 300 mm [ C ] 400 mm [ D ] 450 mm

Description : The Maximum spacing of the longitudinal bars measured long the periphery of the column should be [ A ] 250 mm [ B ] 300 mm [ C ] 400 mm [ D ] 450 mm

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Very low pressure is expressed in microns (μ), which is equal to__________ mm of Hg column (absolute) at 0°C.(A) 0.0001(B) 0.001(C) 0.01(D) 0.1

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The compressive strength of 100 mm cube as compared to 150 mm cube is always (A) Less (B) More (C) Equal (D) None of the above

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