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

1 Answer

Answer :

Answer: Option D

Related questions

Description : 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 ... The minimum percentage of longitudinal steel in columns should be 0.8% [ D ] None of the above

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

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

Last Answer : [ B ] 300 mm

Description : The spacing of transverse reinforcement of column is decided by the following consideration. (A) The least lateral dimension of the column (B) Sixteen times the diameter of the smallest longitudinal ... column (C) Forty-eight times the diameter of transverse reinforcement (D) All the above

Last Answer : Answer: Option D

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

Description : As per IS : 456, the reinforcement in a column should not be less than (A) 0.5% and not more than 5% of cross-sectional area (B) 0.6% and not more than 6% of cross-sectional area (C) 0.7% and not more than 7% of cross-sectional area (D) 0.8% and not more than 8% of cross-sectional area

Last Answer : Answer: Option D

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

Last Answer : Answer: Option C

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

Description : 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 ... 15 Ec (A) 264 MN  (B) 274 MN  (C) 284 MN  (D) 294 MN 

Last Answer : (C) 284 MN 

Description : Minimum reinforcement in slabs, when High yield strength deformed bars [ A ] 0.12% of gross cross sectional area [ B ] 0.15% of gross cross sectional area [ C ] 0.20% of gross cross sectional area [ D ] 0.25% of gross cross sectional area.

Last Answer : [ A ] 0.12% of gross cross sectional area

Description : According to IS: 456-2000 Maximum spacing of shear reinforcement in no case shall not exceed [ A ] 250 mm [ B ] 300 mm [ C ] 350 mm [ D ] 450 mm

Last Answer : [ B ] 300 mm

Description : The maximum of spacing of side face reinforcement shall not exceed [ A ] 300 mm [ B ] Web thickness [ C ] Lesser of (a) and (b) [ D ] Greater of (a) and (b)

Last Answer : [ C ] Lesser of (a) and (b)

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

Description : A short column 20 cm 20 cm in section is reinforced with 4 bars whose area of cross section is 20 sq. cm. If permissible compressive stresses in concrete and steel are 40 kg/cm2 and 300 kg/cm2 , the Safe load on ... should not exceed (A) 4120 kg (B) 41,200 kg (C) 412,000 kg (D) None of these

Last Answer : Answer: Option B

Description : The main reinforcement of a R.C. slab consists of 10 mm bars at 100 mm spacing; if it is desired to replace the 10 mm bars by 12 mm bars, then the spacing of 12mm bars should be (a) 120 mm (b) 140 mm (c ) 144 mm (d) 160mm

Last Answer : (c ) 144 mm

Description : Side face reinforcement shall not exceed [ A ] 0.1% of total cross sectional area [ B ] 0.2% of total cross sectional area [ C ] 0.1% web area [ D ] 0.2 % web area.

Last Answer : [ C ] 0.1% web area

Description : The limits of percentage p of the longitudinal reinforcement in a column is given by (A) 0.15% to 2% (B) 0.8% to 4% (C) 0.8% to 6% (D) 0.8% to 8%

Last Answer : Answer: Option C

Description : The Minimum amount of steel for Main reinforcement in slab should be (Fe 415- grade of steel) [ A ] 0.12 percent of gross cross sectional area [ B ] 0.15 percent of gross cross sectional area [ C ] 0.20 percent of gross cross sectional area [ D ] 0.25 percent of gross cross sectional area.

Last Answer : [ A ] 0.12 percent of gross cross sectional area

Description : The Maximum spacing of Secondary reinforcement in slabs should be [ A ] Less than 450 mm [ B ] Less than 300 mm [ C ] Smaller of three times the effective depth and 450 mm [ D ] Smaller of five times the effective depth and 450 mm

Last Answer : [ D ] Smaller of five times the effective depth and 450 mm

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Last Answer : Answer: Option A

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Last Answer : Answer: Option D

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Last Answer : Answer: Option D

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

Last Answer : Answer: Option D

Description : In R.C. sewer pipes, the percentage longitudinal reinforcement to the cross-sectional area of concrete is kept A. 10.0 B. 5.0 C. 2.0 D. 0.25

Last Answer : ANS: D

Description : 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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Description : The spacing of stirrups in doubly reinforced beams should be least of the following (i)Least Lateral dimension (ii)Sixteen times the diameter of longitudinal steel (iii)Forty eight times the diameter of transverse reinforcement [ A ] i [ B ] i and ii [ C ] i and iii [ D ] i, ii and iii

Last Answer : [ D ] i, ii and iii

Description : The spacing of stirrups in doubly reinforced beams should be least of the following (i)Least Lateral dimension (ii)Sixteen times the diameter of longitudinal steel (iii)Forty eight times the diameter of transverse reinforcement [ A ] i [ B ] i and ii [ C ] i and iii [ D ] i, ii and iii

Last Answer : [ D ] i, ii and iii

Description : If the width of a pavement slab is 7.5 m, thickness 20 cm and working stress 1400 kg/cm2 , spacing of 10 mm tie bars for the longitudinal joint, is (A) 10 cm (B) 20 cm (C) 30 cm (D) 40 cm

Last Answer : Answer: Option C

Description : According to IS: 456-2000 spacing of vertical stirrups for shear reinforcement has been limited to [ A ] 0.75 d [ B ] 450 mm [ C ] lesser of 0.75 d or 300 mm [ D ] lesser of 0.75d or 450 mm

Last Answer : [ C ] lesser of 0.75 d or 300 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

Last Answer : Answer: Option D

Description : 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

Last Answer : Answer: Option B

Description : Minimum spacing between horizontal parallel reinforcement of the same size should not be less than (A) One diameter (B) 2.5 diameters (C) 3 diameters (D) 3.5 diameters

Last Answer : Answer: Option A

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Last Answer : [ C ] 40 mm

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Last Answer : D. If the IRR of a project is greater than the discount rate, k, then its PI will be greater than 1.

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Last Answer : (a) Correct

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Last Answer : [ C ] Six

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

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Last Answer : [ B ] 8%

Description : The ratio of the diameter of reinforcing bars and the slab thickness is (A) 1/4 (B) 1/5 (C) 1/6 (D) 1/8

Last Answer : (D) 1/8

Description : The minimum diameter of longitudinal steel should be [ A ] 10 mm [ B ] 12 mm [ C ] 16 mm [ D ] 20 mm

Last Answer : [ B ] 12 mm

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Last Answer : (B) Slenderness ratio

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Last Answer : Answer: C

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Last Answer : [ C ] One-fourth the diameter of longitudinal steel

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Last Answer : (d) Increases with increase in stirrups and longitudinal steels.

Description : The pitch of bars of main reinforcement in slab should not exceed ________the effective depth of slab. (a) Double (b) Three times (c) Five times (d) Six times

Last Answer : (b) Three times

Description : The Minimum pitch of the helical reinforcement in circular columns should be [ A ] 25 mm [ B ] 40 mm [ C ] 50 mm [ D ] 60 mm

Last Answer : [ A ] 25 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