Addition of __________ to steel does not help in improving its machinability. (A) Sulphur (B) Silicon (C) Lead (D) Phosphorous

Addition of __________ to steel does not help in improving its
machinability.
(A) Sulphur
(B) Silicon
(C) Lead
(D) Phosphorous
by

1 Answer

Answer :

Option B
by

Related questions

Addition of __________ to steel does not help in improving its machinability. (A) Sulphur (B) Silicon (C) Lead (D) Phosphorous

Description : Addition of __________ to steel does not help in improving its machinability. (A) Sulphur (B) Silicon (C) Lead (D) Phosphorous

Last Answer : (B) Silicon

Addition of lead, sulphur and phosphorus to low carbon steel helps in improving its (A) Corrosion resistance (B) Tensile strength (C) Machinability (D) Compressive strength

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Last Answer : (C) Machinability

__________ is added in low carbon steel to raise its yield point. (A) Sulphur (B) Phosphorous (C) Silicon (D) Manganese

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Last Answer : (D) Manganese

Corrosion resistance of steel is increased by the addition of (A) Phosphorous and tungsten (B) Nickel and chromium (C) Lead and vanadium (D) Molybdenum and tungsten

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The element used in the manufacture of safety matches is – (1) Phosphorous (2) Magnesium (3) Silicon (4) Sulphur

Description : The element used in the manufacture of safety matches is – (1) Phosphorous (2) Magnesium (3) Silicon (4) Sulphur

Last Answer : (1) Phosphorous Explanation: One end of a match is coated with a material that can be ignited by frictional heat generated by striking the match against a suitable surface. The coated end ... ," contains either phosphorus or phosphorus sesquisulfide as the active ingredient and gelatin as a binder.

The element used in the manufacture of safety matches is (1) Phosphorous (2) Magnesium (3) Silicon (4) Sulphur

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Which of the following exercises most powerful influence on the mechanical properties of steel? (A) Manganese (B) Carbon (C) Phosphorous (D) Silicon

Description : Which of the following exercises most powerful influence on the mechanical properties of steel? (A) Manganese (B) Carbon (C) Phosphorous (D) Silicon

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The yield point phenomenon observed in annealed low carbon steel is due to the presence of the following element. (A) Silicon (B) Carbon (C) Phosphorous (D) Chromium

Description : The yield point phenomenon observed in annealed low carbon steel is due to the presence of the following element. (A) Silicon (B) Carbon (C) Phosphorous (D) Chromium

Last Answer : Option B

Addition of __________ to steel does not impart hardness. (A) Nickel (B) Copper (C) Chromium (D) Silicon

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Last Answer : : Option B

Addition of __________ to steel does not impart hardness. (A) Nickel (B) Copper (C) Chromium (D) Silicon

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__________ property of steel increases by addition of large amount of silicon in it. (A) Mechanical (B) Machining (C) Magnetic (D) Refractory

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High amount of sulphur and phosphorous in coke causes (A) Decrease in its calorific value (B) Increase in its strength(C) Brittleness of steel made by using it(D) None of these

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Addition of __________ in steel is helpful in increasing the depth of hardness. (A) Chromium (B) Sulphur (C) Vanadium (D) Tungsten

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To improve the machinability of steel by its softening, it is subjected to (A) Cold working (B) Annealing (C) Shot blasting (D) Heating

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Lead is added to 60:40 brass primarily to improve (A) Machinability (B) Corrosion resistance (C) Fluidity (D) Strength

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. To improve the machinability of steel, it is generally subjected to (A) Spheroidising (B) Tempering (C) Normalising (D) Annealing

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Which of the following is (are) true? (A) Cast iron has poor tensile strength compared to steel (B) Failure of cast iron flywheel is sudden and total (C) Machinability of cast iron flywheel is poor compared to steel flywheel (D) All of the above

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Addition of __________ in steel can help in increasing the depth of hardness. (A) Nickel (B) Chromium (C) Vanadium (D) Tungsten

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