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

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
by

1 Answer

Answer :

Answer: Option A
by

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Select the correct statement (A) Elastic modulus of high tensile steel is nearly the same as that of mild steel (B) Elastic modulus of high tensile steel is more than that of mild steel (C) Carbon percentage in high carbon steel is less than that in mild steel (D) High tensile steel is cheaper than mild steel

Description : Select the correct statement (A) Elastic modulus of high tensile steel is nearly the same as that of mild steel (B) Elastic modulus of high tensile steel is more than that of mild steel (C) ... high carbon steel is less than that in mild steel (D) High tensile steel is cheaper than mild steel

Last Answer : Answer: Option A

The percentage of carbon in mild steel is (A) 0.08 to 0.3 % (B) 0.5 to 1.4 % (D) 2.35 % (D) 0.5 %

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Last Answer : (A) 0.08 to 0.3 %

Mild steel is an alloy with carbon content a)0.25%. b)5% c)10%. d)25%

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Last Answer : a)0.25%.

Which of the following has the least carbon percentage? (A) Low carbon steel (B) Mild steel (C) Wrought iron (D) White cast iron

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Last Answer : (C) Wrought iron

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

Description : 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 steel generally used in R.C.C. work, is (A) Stainless (B) Mild steel (C) High carbon steel (D) High tension steel

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The steel used in R.C.C. work is (A) Stainless steel (B) Mild steel (C) High carbon steel (D) Wrought iron

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Which of the following is the purest form of iron? (A) Cast iron (B) Wrought iron (C) Mild steel (D) High carbon steel

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Mild steel is (A) A low carbon steel (0.05 to 0.3% carbon) (B) Highly resistant to corrosion (as much as stainless steel) (C) A high carbon steel (0.5 to 1.5% carbon) (D) Very poor in strength & ductility

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High carbon steel having carbon content about (A) 0.25 % (B) 0.25 – 0.50 % (C) 0.50 – 1.5 % (D) 2.5 - 4.5 %

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Medium Carbon steel was carbon content about (A) 0.25 % (B) 0.25 – 0.50 % (C) 0.50 – 1.5 % (D) 2.5 – 4.5 %

Description : Medium Carbon steel was carbon content about (A) 0.25 % (B) 0.25 – 0.50 % (C) 0.50 – 1.5 % (D) 2.5 – 4.5 %

Last Answer : (B) 0.25 – 0.50 %

Dead mild steel, which contains 0.10 to 0.15 percent carbon is used for making (A) Shafts (B) Flanges (C) Gears (D) Shear blades

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Last Answer : [ C ] 0.34

Maximum change in the hardness of martensite occurs in the carbon content range of __________ percent in steel. (A) 0.01 to 0.10 (B) 0.2 to 0.4 (C) 0.5 to 0.7 (D) 0.8 to 1.0

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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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Last Answer : [ B ] 0.80%

According to IS:456-2000, the maximum allowable crack width (in mm) for mild type of environmental condition [ A ] 0.1 [ B ] 0.2 [ C ] 0.25 [ D ] 0.3

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Dies for wire drawing are generally made of (A) Mild steel (B) Stainless steel (C) Carbides (D) High carbon steel

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The shovel of seed drill is made up of: A. Cast iron B. Mild steel C. White metal D. Carbon steel

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Steel contains carbon approximately (A) 1.50% to 5.6% (B) 0.05% to 1.75% (C) 0.25 % (D) None to these

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Euler’s formula is not valid for mild steel column when slenderness ratio is (a) More than 100 (b) Less than 100 (c) Less than 80 (d)More than 80

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Consider the following salient points in a stress-strain curve of a mild steel bar: 1. Yield point 2. Braking point 3. Yield plateau 4 . Proportionality limit 5. Ultimate point The correct sequence in which they occur while testing the mild steel bar in tension from initial zero strain to failure is (a) 4, 1, 2, 3 and 5 (b) 1, 4, 3, 5 and 2 (c) 4, 1, 3, 5 and 2 (d) 1, 4, 2, 3 and 5

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Statement -1Wrought iron in more malleable and ducitlle than steel. Statement -2: It contains slightly less percentage of carbon.

Description : Statement -1Wrought iron in more malleable and ducitlle than steel. Statement -2: It contains slightly less percentage of carbon.

Last Answer : Statement -1Wrought iron in more malleable and ducitlle than steel. Statement -2: It contains slightly less percentage of carbon.

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/cm

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Mild steel is used for (A) Structural works in beams, joints and girders (B) Small sized water pipes (C) Columns and struts (D) None of these

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For high grade instruments the steel preferred to, is (A) Cast steel (B) Bessemer steel (C) Mild steel (D) Whitworth compressed steel

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The steel used for the manufacture of rails, is (A) Bessemer steel (B) Mild steel (C) Cast steel (D) Stainless steel

Description : The steel used for the manufacture of rails, is (A) Bessemer steel (B) Mild steel (C) Cast steel (D) Stainless steel

Last Answer : Answer: Option A

Compared to mild steel, cast iron has (i) High compressive strength (ii) High tensile strength (iii) Low compressive strength (iv) Low tensile strength The correct answer is (A) (i) and (ii) (B) (ii) and (iii) (C) (iii) and (iv) (D) (i) and (iv)

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Last Answer : Answer: Option D

The ultimate tensile strength of structural mild steel is about (A) 160 N/mm² (B) 260 N/mm² (C) 420 N/mm² (D) 520 N/mm2

Description : The ultimate tensile strength of structural mild steel is about (A) 160 N/mm² (B) 260 N/mm² (C) 420 N/mm² (D) 520 N/mm

Last Answer : Answer: Option C

The allowable shear stress in stiffened webs of mild steel beams decreases with (a) Decrease in the spacing of the stiffeners (b) Increase in the spacing of the stiffeners (c) Decrease in the effective depth (d) Increase in the effective depth

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Last Answer : (b) Increase in the spacing of the stiffeners

The allowable shear stress in the web of mild steel beams decreases with (a) Decrease in h/t ratio (b) Increase in h/t ratio (c ) Decrease in thickness (d) Increase in height Where h is the height and t is the thickness

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Last Answer : (b) Increase in h/t ratio