What is the percentage of carbon in steel ?

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1 Answer

Answer :

: 0.15 - 1.5%
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Steel Of carbon Percentage Amount How much ?

Last Answer : In steel Of carbon Percentage Amount 0 . 15 - 1 . 5 %

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Which one of the following contains maximum percentage of carbon? (1) Cast iron (2) Stainless steel (3) Wrought iron (4) High speed steel

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Percentage of carbon in steel ranges from – (1) 0.1 to 1.5 (2) 1.5 to 3.0 (3) 3.0 to 4.0 (4) 4.0 to 6.0

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Carbon percentage is the same in cast iron and (A) Wrought iron(B) Pig iron(C) Mild steel(D) High silicon (14%) iron

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The percentage of carbon in low carbon steel is A. 0.05% B. 0.15% C. 0.3% D. 0.5%

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Percentage of carbon content in mild steel is (A) Less than 0.25 (B) Between 0.25 and 0.7 (C) Between 0.7 and 1.5 (D) Greater than 1.5

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What is the percentage of chromium in 18-4-1 high speed steel? (A) 1 (B) 4 (C) 18 (D) 23

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Which of the following alloying elements is present in maximum percentage in high speed steel? (A) Molybdenum (B) Chromium (C) Tungsten (D) Vanadium

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As the percentage of steel increases (A) Depth of neutral axis decreases (B) Depth of neutral axis increases (C) Lever arm increases (D) Lever arm decreases

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If the permissible compressive and tensile stresses in a singly reinforced beam are 50 kg/cm2 and 1400 kg/cm2 respectively and the modular ratio is 18, the percentage area At of the steel required for an economic section, is (A) 0.496 % (B) 0.596 % (C) 0.696 % (D) 0.796 %

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Silicon percentage in the silicon steel used for electrical appliances/equipments is (A) 0.3-0.4 (B) 12-14 (C) 3-4 (D) 20-25

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Silicon percentage in silicon steel used for electrical equipments is about (A) 1 (B) 4.0 (C) 8 (D) 14

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Consider the following statements: Percentage of steel for balanced designed of a singly reinforced rectangular section by limit state method depends on (1) Characteristic strength of concrete (2) Yield strength of concrete (3) Modulus of elasticity of steel (4) Geometry of the section. Which of these statements are correct? (a) 2, 3 and 4 (b) 1, 3 and 4 (c) 1, 2 and 4 (d) 1, 2 and 3

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The most critical consideration in the design of a rolled steel column carrying axial loads is the (a) Percentage elongation at yield and the net cross-sectional area (b) Critical bending strength and axial yield strength of material (c) Buckling strength based on the net area of the section and percentage elongation at ultimate load (d) Compressive strength based on slenderness ratio and gross cross-sectional area.

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Last Answer : (d) Compressive strength based on slenderness ratio and gross cross-sectional area.

As the percentage of steel in a beam increases, the depth of neutral axis (a) Increases (b) Decreases (c) Equal to (d) None of these

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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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Maximum percentage of longitudinal steel in a column should be less than [ A ] 6% [ B ] 8% [ C ] 9% [ D ] 10%

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Last Answer : [ B ] 8%

Minimum percentage of longitudinal steel in a column should not be less than [ A ] 0.60% [ B ] 0.80% [ C ] 1.00% [ D ] 1.20%

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Last Answer : [ B ] 0.80%

The Minimum percentage of secondary steel in slabs for Fe- 415 grade steel should be __________ of Gross cross-section area [ A ] 0.12% [ B ] 0.15% [ C ] 0.20% [ D ] 0.25%

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The minimum percentage of tension steel is mainly based on the [ A ] Total depth [ B ] Effective depth [ C ] Both (a) and (b) [ D ] None of the above.

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Last Answer : [ A ] Total depth

The Percentage of steel in T-beam mainly based on [ A ] Flange width [ B ] Rib width [ C ] Flange depth [ D ] None of the above.

Description : The Percentage of steel in T-beam mainly based on [ A ] Flange width [ B ] Rib width [ C ] Flange depth [ D ] None of the above.

Last Answer : [ B ] Rib width

For ductility consideration, the maximum percentage of steel used should not exceed ------- of the balanced steel [ A ] 25% [ B ] 50% [ C ] 60% [ D ] 75%

Description : For ductility consideration, the maximum percentage of steel used should not exceed ------- of the balanced steel [ A ] 25% [ B ] 50% [ C ] 60% [ D ] 75%

Last Answer : [ D ] 75%

For Fe- 415 steel and M20grade concrete, the balanced percentage of steel is [ A ] 0.65% [ B ] 0.75% [ C ] 0.86% [ D ] 0.96%

Description : For Fe- 415 steel and M20grade concrete, the balanced percentage of steel is [ A ] 0.65% [ B ] 0.75% [ C ] 0.86% [ D ] 0.96%

Last Answer : [ D ] 0.96%

Minimum percentage area of tension reinforcement , when the grade of steel is Fe-250 [ A ] 0.2 [ B ] 0.25 [ C ] 0.34 [ D ] 0.44

Description : Minimum percentage area of tension reinforcement , when the grade of steel is Fe-250 [ A ] 0.2 [ B ] 0.25 [ C ] 0.34 [ D ] 0.44

Last Answer : [ C ] 0.34

Maximum percentage of steel in compression should be [ A ] 0.20% [ B ] 0.40% [ C ] 2.00% [ D ] 4.00%

Description : Maximum percentage of steel in compression should be [ A ] 0.20% [ B ] 0.40% [ C ] 2.00% [ D ] 4.00%

Last Answer : [ D ] 4.00%

The Maximum percentage of steel in tension allowed for beams [ A ] 0.2 [ B ] 0.4 [ C ] 2 [ D ] 4

Description : The Maximum percentage of steel in tension allowed for beams [ A ] 0.2 [ B ] 0.4 [ C ] 2 [ D ] 4

Last Answer : [ A ] 0.2

Design shear strength of concrete is a function of i.Percentage of tension steel ii.Grade of concrete iii.Grade of steel [ A ] i and ii [ B ] ii only [ C ] i and iii [ D ] i, ii and iii

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Last Answer : [ A ] i and ii

Minimum percentage of tension steel for a singly reinforced section Fe415 grade is [ A ] 0.2 [ B ] 0.35 [ C ] 2 [ D ] 3.5

Description : Minimum percentage of tension steel for a singly reinforced section Fe415 grade is [ A ] 0.2 [ B ] 0.35 [ C ] 2 [ D ] 3.5

Last Answer : [ A ] 0.2

Minimum percentage of tension steel for a singly reinforced section Fe415 grade is [ A ] 0.2 [ B ] 0.35 [ C ] 2 [ D ] 3.5

Description : Minimum percentage of tension steel for a singly reinforced section Fe415 grade is [ A ] 0.2 [ B ] 0.35 [ C ] 2 [ D ] 3.5

Last Answer : [ A ] 0.2

As the percentage of steel increases [ A ] Depth of neutral axis decreases [ B ] Depth of neutral axis increases [ C ] Lever arm increases [ D ] None of the above are correct

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Last Answer : [ B ] Depth of neutral axis increases

Renewal of slack rivets should be taken up in steel girder bridges: a) All rivets which are hand loose or which have lost 50% of their head by corrosion. b) All hammer loose rivets where corrosion has set in between the head and the plate. c) In end stiffeners when the percentage of hammer loose rivets is >30% d) All the above*

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Last Answer : d) All the above*