The addition of high proportions of maganese makes steel useful in making rails or railroads because manganese useful in making rails or railroads bec

The addition of high proportions of maganese makes steel useful in making rails or railroads because manganese useful in making rails or railroads bec
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The addition of high proportions of maganese makes steel useful in making rails or railroads because manganese useful in ... ,iii C. ii,iv D. I,iii,iv
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The addition of high proportions of maganese makes steel useful in making rails or railroads because manganese useful in making rails or railroads bec

Description : The addition of high proportions of maganese makes steel useful in making rails or railroads because manganese useful in making rails or railroads bec

Last Answer : The addition of high proportions of maganese makes steel useful in making rails or railroads because ... . can show highest oxidation state of +7

The steel used for rails under heavy traffic and on sharp curves, is (A) Nickel steel (B) Chrome steel (C) Manganese steel (D) Vanadium steel

Description : The steel used for rails under heavy traffic and on sharp curves, is (A) Nickel steel (B) Chrome steel (C) Manganese steel (D) Vanadium steel

Last Answer : Answer: Option C

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

Description : 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

Last Answer : Answer: Option D

Pick out the wrong statement. (A) Hard glass which is used for making laboratory glass wares is a mixture of sodium borosilicate and aluminium borosilicate (B) Glass is decolorized during its manufacture by adding antimony oxide, manganese dioxide or arsenic oxide (C) Ordinary glass is represented chemically by Na2O . CaO . 6SiO2 (D) Red color is imparted to glass by addition of arsenic oxide

Description : Pick out the wrong statement. (A) Hard glass which is used for making laboratory glass wares is a mixture of sodium borosilicate and aluminium borosilicate (B) Glass is decolorized during its manufacture by ... Na2O . CaO . 6SiO2 (D) Red color is imparted to glass by addition of arsenic oxide

Last Answer : (D) Red color is imparted to glass by addition of arsenic oxide

Addition of 2% nickel in steel makes it suitable for making (A) Electronic valves (B) Boiler plates, rivets etc. (C) Turbine blades (D) Connecting rod

Description : Addition of 2% nickel in steel makes it suitable for making (A) Electronic valves (B) Boiler plates, rivets etc. (C) Turbine blades (D) Connecting rod

Last Answer : (B) Boiler plates, rivets etc.

Rockefellers made their fortune in: (a) Oil (b) Steel (c) Railroads

Description : Rockefellers made their fortune in: (a) Oil (b) Steel (c) Railroads

Last Answer : (a) Oil

In a railway track, two rails are joined end to end with a gap in between them because – (1) steel can be saved (2) accidents due to contraction in winter can be avoided (3) air-gaps are necessary for bearing the weight of running train (4) accidents due to expansion in summer can be avoided.

Description : In a railway track, two rails are joined end to end with a gap in between them because – (1) steel can be saved (2) accidents due to contraction in winter can be avoided (3) air-gaps are necessary for bearing the weight of running train (4) accidents due to expansion in summer can be avoided.

Last Answer : (4) accidents due to expansion in summer can be avoided. Explanation: The volume of materials changes depending on current temperature. Usually heat makes them expand, and cold leads them to contract. ... on the tracks. The same applies in many other fields of engineering, i.e. bridge building.

In a railway track, two rails are joined end to end with a gap tin between them because? A. Steel can be saved B. Accidents due to contraction in winter can be avoided C. Air gaps are necessary for bearing the weight of running train D. Accidents due to expansion in summer can be avoided (Answer) E. All of these

Description : In a railway track, two rails are joined end to end with a gap tin between them because? A. Steel can be saved B. Accidents due to contraction in winter can be avoided C. Air gaps are necessary ... of running train D. Accidents due to expansion in summer can be avoided (Answer) E. All of these

Last Answer : D. Accidents due to expansion in summer can be avoided (Answer)

The respiratory membranes facilitates the exchange of respiratory gases through diffusion . Oxygen enters the deoxygenated blood through diffusion bec

Description : The respiratory membranes facilitates the exchange of respiratory gases through diffusion . Oxygen enters the deoxygenated blood through diffusion bec

Last Answer : The respiratory membranes facilitates the exchange of respiratory gases through diffusion . Oxygen enters the ... it 40mm Hg and 46 mm Hg respectively

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Which of the following is false? (a) Mica is usually found in metamorphic and igneous rocks (b) Aluminium has the advantage over iron as it is resistant to corrosion (c) line is mostly used in galvanising iron and steel goods (d) Manganese is largely used in making fertilizers

Description : Which of the following is false? (a) Mica is usually found in metamorphic and igneous rocks (b) Aluminium has the advantage over iron as it is resistant to corrosion (c) line is mostly used in galvanising iron and steel goods (d) Manganese is largely used in making fertilizers

Last Answer : Ans: (d)

Austenitic manganese steel used for making jaws of crushing machines contains about __________ percent manganese. (A) 1.5-2 (B) 3.5-4.5 (C) 7-9 (D) 12-14

Description : Austenitic manganese steel used for making jaws of crushing machines contains about __________ percent manganese. (A) 1.5-2 (B) 3.5-4.5 (C) 7-9 (D) 12-14

Last Answer : (D) 12-14

Addition gain of 10 db is used for testing. (i) ‘D’ marked rails on single lines. (ii) ‘D’ marked rails on double lines. (iii) Testing on single line and ‘D’ marked rails on double/multiple lines section.* (iv) None of above.

Description : Addition gain of 10 db is used for testing. (i) ‘D’ marked rails on single lines. (ii) ‘D’ marked rails on double lines. (iii) Testing on single line and ‘D’ marked rails on double/multiple lines section.* (iv) None of above.

Last Answer : (iii) Testing on single line and ‘D’ marked rails on double/multiple lines section.*

Hammers and railway rails are normally made of(A) Mild steel(B) Dead mild steel(C) Medium carbon steel(D) High carbon stee

Description : Hammers and railway rails are normally made of (A) Mild steel (B) Dead mild steel (C) Medium carbon steel (D) High carbon stee

Last Answer : (D) High carbon stee

You die and The Devil (the one of Biblical proportions) comes to you with the expressed purpose of making your after-life an infinite visit to Dante's Inferno. The Devil enjoys your fear so much he decides to give you one chance to save yourself. What two words could you say to him to save yourself for eternity?

Description : You die and The Devil (the one of Biblical proportions) comes to you with the expressed purpose of making your after-life an infinite visit to Dante's Inferno. The Devil enjoys your fear so much he ... one chance to save yourself. What two words could you say to him to save yourself for eternity?

Last Answer : get lost!

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

Description : 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

Last Answer : (C) Copper

Addition of small amount of __________ to grey cast iron is done to produce nodular grey cast iron. (A) Manganese (B) Phosphorous (C) Magnesium (D) Chromium

Description : Addition of small amount of __________ to grey cast iron is done to produce nodular grey cast iron. (A) Manganese (B) Phosphorous (C) Magnesium (D) Chromium

Last Answer : Option C

Addition of __________ to the steel helps in increasing the residual magnetism in steel used for making magnets. (A) Chromium (B) Nickel (C) Tungsten (D) Cobalt

Description : Addition of __________ to the steel helps in increasing the residual magnetism in steel used for making magnets. (A) Chromium (B) Nickel (C) Tungsten (D) Cobalt

Last Answer : (D) Cobalt

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

In a railway track, two rails are joined end to end with a gap in between thembecause (1) steel can be saved (2) accidents due to contraction in winter can be avoided (3) air-gaps are necessary for bearing the weight of running train (4) accidents due to expansion in summer can be avoided.

Description : In a railway track, two rails are joined end to end with a gap in between thembecause (1) steel can be saved (2) accidents due to contraction in winter can be avoided (3) air-gaps are necessary for bearing the weight of running train (4) accidents due to expansion in summer can be avoided.

Last Answer :  accidents due to expansion in summer can be avoided.

The system in which high tensile alloy steel bars (silica manganese steel) are used as prestressing tendons, is known as (A) Freyssinet system (B) Magnel-Blaton system (C) C.C.L. standard system (D) Lee-McCall system

Description : The system in which high tensile alloy steel bars (silica manganese steel) are used as prestressing tendons, is known as (A) Freyssinet system (B) Magnel-Blaton system (C) C.C.L. standard system (D) Lee-McCall system

Last Answer : Answer: Option D

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

Description : 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

Last Answer : Option B

Which material is suitable for shaft material? a. High speed steel b. Stainless steel or high carbon steel c. Grey cast iron d. Steel having approx. 0.4% carbon and 0.8% manganese

Description : Which material is suitable for shaft material? a. High speed steel b. Stainless steel or high carbon steel c. Grey cast iron d. Steel having approx. 0.4% carbon and 0.8% manganese

Last Answer : d. Steel having approx. 0.4% carbon and 0.8% manganese

The law of definite proportions is not applicable to nitrogen oxide because [EAMCET 1981] (A) Nitrogen’s atomic weight is not constant (B) Nitrogen’s molecular weight is variable (C) Nitrogen’s equivalent weight is variable (D) Oxygen’s atomic weight is variable

Description : The law of definite proportions is not applicable to nitrogen oxide because [EAMCET 1981] (A) Nitrogen’s atomic weight is not constant (B) Nitrogen’s molecular weight is variable (C) Nitrogen’s equivalent weight is variable (D) Oxygen’s atomic weight is variable

Last Answer : (C) Nitrogen’s equivalent weight is variable

Which of the following accentuates clinkering trouble on furnace grate burning coal? (A) Low reactivity of carbonised residue containing high proportions of iron & sulphur (B) Low forced draught and fuel bed temperature (C) Thick fire bed and preheated primary air (D) All (A), (B) and (C)

Description : Which of the following accentuates clinkering trouble on furnace grate burning coal? (A) Low reactivity of carbonised residue containing high proportions of iron & sulphur (B) Low forced draught and fuel bed temperature (C) Thick fire bed and preheated primary air (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

(a) 1. Name the private sector iron and steel plant of India. [2] 2. From where does it get its supply of: 1. Iron ore 2. Manganese 3. Coal? -Geography

Description : (a) 1. Name the private sector iron and steel plant of India. [2] 2. From where does it get its supply of: 1. Iron ore 2. Manganese 3. Coal? -Geography

Last Answer : 1. Tata Iron and Steel Industry, Jamshedpur. 2. 1. Iron Ore: Singhbhum, Mayurbhanj. 2. Manganese: Noamundi. 3. Coal: Jharia.

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

Description : 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

Last Answer : (3) chromium and nickel Explanation: In metallurgy, stainless steel is defined as a steel alloy with a minimum of 10.5 per cent to 11 per cent chromium content by mass. There are ... virtually nonmagnetic and less brittle at low temperatures. For greater hardness and strength, more carbon is added.

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

Last Answer : (B) Carbon

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

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

Last Answer : (D) Manganese

Presence of manganese in alloy steel improves its (A) Corrosion resistance (B) Cutting ability (C) Abrasion resistance & toughness (D) Elasticity & creep resistance

Description : Presence of manganese in alloy steel improves its (A) Corrosion resistance (B) Cutting ability (C) Abrasion resistance & toughness (D) Elasticity & creep resistance

Last Answer : (C) Abrasion resistance & toughness

Manganese in steel affects its (A) Ductility (B) Tensile strength (C) Hardness (D) None of these

Description : Manganese in steel affects its (A) Ductility (B) Tensile strength (C) Hardness (D) None of these

Last Answer : (B) Tensile strength

Manganese is added in low carbon steel to A. Make the steel tougher and harder B. Raise the yield point C. Make the steel ductile and of good bending qualities D. All of the above

Description : Manganese is added in low carbon steel to A. Make the steel tougher and harder B. Raise the yield point C. Make the steel ductile and of good bending qualities D. All of the above

Last Answer : C. Make the steel ductile and of good bending qualities

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

__________ is the most important element, which controls the physical properties of steel. (A) Manganese (B) Silicon (C) Carbon (D) Vanadium

Description : __________ is the most important element, which controls the physical properties of steel. (A) Manganese (B) Silicon (C) Carbon (D) Vanadium

Last Answer : (C) Carbon

The 'transition temperature' for ductile to brittle behaviour of steel increases with increase in the __________ content in steel. (A) Carbon (B) Manganese (C) Both 'a' nor 'b' (D) Neither 'a' nor 'b'

Description : The 'transition temperature' for ductile to brittle behaviour of steel increases with increase in the __________ content in steel. (A) Carbon (B) Manganese (C) Both 'a' nor 'b' (D) Neither 'a' nor 'b'

Last Answer : (A) Carbon

Brittleness induced due to the presence of sulphur in steel can be reduced by adding (A) Manganese (B) Magnesium (C) Vanadium (D) Copper

Description : Brittleness induced due to the presence of sulphur in steel can be reduced by adding (A) Manganese (B) Magnesium (C) Vanadium (D) Copper

Last Answer : (A) Manganese

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

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

Last Answer : (A) Molybdenum

Brittleness induced due to the presence of sulphur in steel can be reduced by adding (A) Manganese (B) Magnesium (C) Vanadium (D) Copper

Description : Brittleness induced due to the presence of sulphur in steel can be reduced by adding (A) Manganese (B) Magnesium (C) Vanadium (D) Copper

Last Answer : r: Option A

Which of the following gradients exerts maximum influence on properties of steel? (A) Iron (B) Carbon (C) Manganese (D) Sulphur

Description : Which of the following gradients exerts maximum influence on properties of steel? (A) Iron (B) Carbon (C) Manganese (D) Sulphur

Last Answer : Answer: Option B

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

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

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

Last Answer : Chemical composition of: 1.Stainless steel: Min 12 % chromium 12 to 30 % Cr 4 to 25 % Ni 2.Tungsten steel: 18 % Tungsten (W) 4 % Cr 1 % vanadium 0.7 % carbon Small amount of Si , S , P ,Mn , Fe. 3. ... 4.Manganese steel: (e.g. C-Mn steel) 0.15 % C 1.4 % Mn 0.218 % Si 0.007 % S

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

Description : 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

Last Answer : chromium and nickel 

Some questions about railroads.

Description : Some questions about railroads.

Last Answer : A lot of people care about railroads and railroad history. I’m just not one of them.

How did government help the railroads find cheaper workers for building their railroads?

Description : How did government help the railroads find cheaper workers for building their railroads?

Last Answer : By encouraging chinese Immigration.

What effects did railroads have on ranching and farming in west?

Description : What effects did railroads have on ranching and farming in west?

Last Answer : The railroads had a huge beneficial effect on ranching andfarming in the west by offering a cheap, handy, long range methodof transporting crops and animals easterly to the populationcenters.

In what ways did railroads affect the economy of the United states?

Description : In what ways did railroads affect the economy of the United states?

Last Answer : Feel Free to Answer

What role did railroads and new technologies play in the rise of big business?

Description : What role did railroads and new technologies play in the rise of big business?

Last Answer : k

How did the Bessemer process lead to a boom in the railroads?

Description : How did the Bessemer process lead to a boom in the railroads?

Last Answer : What is the answer ?

Why were railroads built between Pittsburgh Pennsylvania and Duluth Minnesota from W?

Description : Why were railroads built between Pittsburgh Pennsylvania and Duluth Minnesota from W?

Last Answer : What is the answer ?

What are the 2 first railroads?

Description : What are the 2 first railroads?

Last Answer : What is the answer ?