Weld decay is caused by the formation of a compound with carbon. The other element in this compound is: a) Manganese b) Sulphur c) Chromium d) Nickel

Weld decay is caused by the formation of a compound with carbon. The other element in this compound is: a) Manganese b) Sulphur c) Chromium d) Nickel
by

1 Answer

Answer :

c) Chromium
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Related questions

Weld decay occurs in which of the following steel types? a) Carbon/Manganese b) Low alloy c) Any stainless steel d) Austenitic stainless steels

Description : Weld decay occurs in which of the following steel types? a) Carbon/Manganese b) Low alloy c) Any stainless steel d) Austenitic stainless steels

Last Answer : d) Austenitic stainless steels

Weld decay can be minimized by specifying steel with: a) Higher carbon level b) higher chromium level c) lower carbon level d) lower chromium level

Description : Weld decay can be minimized by specifying steel with: a) Higher carbon level b) higher chromium level c) lower carbon level d) lower chromium level

Last Answer : c) lower carbon level

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

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Which of the following is not a principal alloying element for the structural steel? (A) Molybdenum (B) Nickel (C) Manganese (D) Chromium

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Last Answer : (A) Molybdenum

The yield strength and tensile strength of low carbon steel may be improved by the addition of (A) Manganese (B) Chromium (C) Nickel (D) Vanadium

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Stainless steel is usually made by alloying the steel with – (1) copper and nickel (2) copper and chromium (3) chromium and nickel (4) manganese and copper

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Alloying elements present in Haynes stellite, which has superior performance than high speed steel, are: (A) Nickel, cobalt & chromium (B) Tungsten, chromium & cobalt (C) Manganese, chromium & cobalt (D) Tungsten, molybdenum & nickel

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Last Answer : Option B

Stainless steel is usually made by alloying the steel with (1) copper and nickel (2) copper and chromium (3) chromium and nickel (4) manganese and copper

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Last Answer : chromium and nickel 

A post weld heat treatment may also be of benefit in minimizing the risk of weld decay, this heat treatment would be called? a) Stress relief b) Normalizing c) Quench and Tempering d) Solution treatment over 1000 °C

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Weld decay will cause which of the following problems? a) A reduced resistance to corrosion b) a lower tensile strength c) The toughness is reduced d) The hardness will increase

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Last Answer : a) A reduced resistance to corrosion

Galvanised iron is made by coating iron with – (1) Zinc (2) Nickel (3) Chromium (4) Sulphur

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Galvanised iron is made by coating iron with (1) Zinc (2) Nickel (3) Chromium (4) Sulphur

Description : Galvanised iron is made by coating iron with (1) Zinc (2) Nickel (3) Chromium (4) Sulphur

Last Answer : Zinc

Cold cracking in the heat affected zone of a high strength steel weld can take place because of the (A) Retained austenite (B) Martensite formation (C) Relatively high sulphur content in the base metal (D) Sufficient hydrogen present in the welding arc

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Last Answer : (B) Martensite formation

The following element can't impart high strength at elevated temperature A. Manganese B. Magnesium C. Nickel D. Silicon

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Last Answer : B. Magnesium

Nickel and __________ are the alloying element added in steel to increase its toughness. (A) Molybdenum(B) Chromium(C) Vanadium(D) Silicon

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Which of the following is an important element of stainless steel. w) chromium x) magnesium y) copper z) nickel

Description : Which of the following is an important element of stainless steel. w) chromium x) magnesium y) copper z) nickel  

Last Answer : ANSWER: W -- CHROMIUM  

Steel containing low percentage of nickel, chromium & tungsten are termed as the __________ steel. (A) Wrought (B) Tool (C) Alloy (D) Plain carbon

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Transformer cores are laminated with (A) Low carbon steel. (B) Silicon sheet steel. (C) Nickel alloy steel. (D) Chromium sheet steel.

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Last Answer : (B) Silicon sheet steel.

Which of the following materials are used in the manufacture of pig iron from iron ore? w) Limestone and carbon x) Calcium oxide and oxygen y) Chromium and nickel z) Oxygen and sulfur dioxide

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Last Answer : ANSWER: W -- LIMESTONE AND CARBON

Which of the following are alloying materials used the manufacture of stainless steel? w) Limestone and carbon x) Calcium oxide and oxygen y) Oxygen and sulfur dioxide z) Chromium and nickel

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

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Stainless steel resists corrosion due to (A) Carbon (B) Sulphur (C) Vanadium (D) Chromium

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Steels with high carbon equivalent have poor Weldability, because in these steels during welding (A) Carbon and other alloying elements get oxidised from the weld pool (B) Excessive ferrite forms in the heat affected zone leading to poor toughness of the weld (C) Martensite forms in the heat affected zone leading to poor toughness/ductility of the weld (D) Segregation of carbon and other element occurs in the weld pool leading to poor properties of the weld

Description : Steels with high carbon equivalent have poor Weldability, because in these steels during welding (A) Carbon and other alloying elements get oxidised from the weld pool (B) Excessive ferrite forms in the ... of carbon and other element occurs in the weld pool leading to poor properties of the weld

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The process of changing of one element into another is called (a) radioactive decay (b) transmutation of the elements (c) covalent bond formation (d) hybridization

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Coloured glass is obtained by mixing of colored salts. Addition of __________ oxide is done to impart greenish blue color to the glass. (A) Chromium (B) Arsenic (C) Copper (D) Manganese

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In the world, India tops in the production of – (1) Nickel (2) Uranium (3) Mica (4) Manganese

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India has attained self-sufficiency in the production of – (1) Iron (2) Coal (3) Manganese (4) Nickel

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Last Answer : Answer: Option C

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Give the chemical composition forstainlesssteel, Tungsten steel, Nickel and Manganese steel.

Description : Give the chemical composition forstainlesssteel, Tungsten steel, Nickel and Manganese steel.

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Description : Which of the following metals is obtained from its most common ore using an electrolytic process? w) nickel x) tin y) aluminum z) manganese

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A fuse wire is made of: (1) an alloy of tin and copper (2) an alloy of tin and lead (3) an alloy of tin and aluminium (4) an alloy of nickel and chromium

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Which of the following metals is used for the manufacture of heating elements provided in electric iron? (1) Nickel (2) Chromium (3) Nichrome (4) Tungsten

Description : Which of the following metals is used for the manufacture of heating elements provided in electric iron? (1) Nickel (2) Chromium (3) Nichrome (4) Tungsten

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Explain the effects of alloying chromium and nickel in stainless steel.

Description : Explain the effects of alloying chromium and nickel in stainless steel.

Last Answer : Addition of nickel and chromium increases the tensile strength and increase in resistance to corrosion takes place.