Which of the following elements is not present in stainless steel? (1) Iron (2) Tungsten (3) Chromium (4) Nickel

Which of the following elements is not present in stainless steel? (1) Iron (2) Tungsten (3) Chromium (4) Nickel
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(2) Tungsten Explanation: Stainless steel is defined as a steel alloy of iron with a minimum of 10.5% to 11% chromium content by mass. There are different types of stainless steels: when nickel is added, for instance, the austenite structure of iron is stabilized. This crystal structure makes such steels virtually non-magnetic and less brittle at low temperatures.
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Which of the following elements is not present in stainless steel? (1) Iron (2) Tungsten (3) Chromium(4) Nickel

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For the manufacture of stainless steel, steel is mixed with (A) Chromium (B) Nickel (C) Tungsten (D) None of these

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Last Answer : (B) Cobalt, chromium & tungsten

Carbide tipped cutting tools are manufactured by powder metallurgy techniques and have a composition of (A) 90% tungsten carbide and 10% cobalt (B) 70% aluminium oxide & 30% silica (C) 30% nickel, 15% chromium & 55% tungsten (D) 65% tungsten & 35% zirconium

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The substances used in the manufacture of stainless steel are 1. Chromium 2. Iron 3. Copper 4. Steel The correct answers are: (a) 1 and 4 (b) 1, 2, 3 and 4 (c) 2, 3 and 4 (d) 1, 2 and 4

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Alloy steel containing chromium to resist rusting is known as (a) wrought iron (b) cast iron (c) hard steel (d) stainless steel

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Last Answer : Ans:(d)

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Last Answer : Ans:(d)

Pick out the correct statement. (A) Stainless steel is nothing but chromium coated steel (B) Hardening of a soft metal can be done by alloying it with another metal or non-metal (C) Plastic deformation of a material is its temporary distortion under the action of applied stress (D) Rusting of iron is not electrochemical in nature

Description : Pick out the correct statement. (A) Stainless steel is nothing but chromium coated steel (B) Hardening of a soft metal can be done by alloying it with another metal or non-metal (C) ... its temporary distortion under the action of applied stress (D) Rusting of iron is not electrochemical in nature

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Explain the effects of following chemical elements on iron. 1) Chromium 2) Nickel 3) Silicon.

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Work hardenable alloy steel used to make the bucket wheel excavators, blades of bulldozers and other earth moving equipments contain iron, carbon and (A) Manganese (B) Silicon (C) Nickel (D) Chromium

Description : Work hardenable alloy steel used to make the bucket wheel excavators, blades of bulldozers and other earth moving equipments contain iron, carbon and (A) Manganese (B) Silicon (C) Nickel (D) Chromium

Last Answer : (A) Manganese

Which of the following materials may prove unsuitable for handling acetic acid (glacial & anhydrous) at 40°C? (A) Silicone rubber, teflon, porcelain and wood (B) Nickel, monel, stainless steel and graphite (C) Aluminium, copper, high silicon iron (D) Brass, cast iron, mild steel and tin

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Last Answer : (D) Brass, cast iron, mild steel and tin

Soap kettle used in the production of laundry soap is made of (A) Steel with top section nickel clad or stainless steel (B) Cast iron (C) Nickel (D) Concrete

Description : Soap kettle used in the production of laundry soap is made of (A) Steel with top section nickel clad or stainless steel (B) Cast iron (C) Nickel (D) Concrete

Last Answer : (A) Steel with top section nickel clad or stainless steel

For handling sulphuric acid of 95% strength, the suitable material of construction for pipes is (A) Stainless steel (B) Cast iron (C) Aluminium (D) Nickel

Description : For handling sulphuric acid of 95% strength, the suitable material of construction for pipes is (A) Stainless steel (B) Cast iron (C) Aluminium (D) Nickel

Last Answer : (B) Cast iron

Polymerisation reactor used in the production of styrene butadiene rubber (SBR) is made of (A) Stainless steel or glass lined steel (B) Nickel clad steel (C) High silicon cast iron (D) Aluminium

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Last Answer : (A) Stainless steel or glass lined steel

Which of the following material of construction may be recommended by a chemical engineer for handling a gaseous chlorine (dry or wet) stream in a fluid flow system? (A) High silicon iron, silicon rubber, Kel-F and Teflon (B) Mild steel and stainless steel (C) Cast iron, tin and aluminium (D) Copper, nickel and Monel

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Last Answer : (A) High silicon iron, silicon rubber, Kel-F and Teflon

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Description : __________ can replace tungsten in high speed steel, (A) Chromium (B) Vanadium (C) Cobalt (D) Molybdenum

Last Answer : (D) Molybdenum

18-4-1 high speed steel contains 18%, 4% and 1% respectively of (A) Tungsten, vanadium and chromium (B) Tungsten, chromium and vanadium (C) Vanadium, chromium and tungsten (D) Chromium, tungsten and vanadium

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Last Answer : (B) Tungsten, chromium and vanadium