Light weight metallic alloy used in aircraft industry is (A) Aluminium (B) High silicon (14%) iron (C) Duralumin

Light weight metallic alloy used in aircraft industry is
(A) Aluminium
(B) High silicon (14%) iron
(C) Duralumin
by

1 Answer

Answer :

(C) Duralumin
by

Related questions

Duralumin is an alloy of (A) Aluminium, copper and manganese (B) Aluminium, nickel and silicon (C) Aluminium and nickel (D) None of these

Description : Duralumin is an alloy of (A) Aluminium, copper and manganese (B) Aluminium, nickel and silicon (C) Aluminium and nickel (D) None of these

Last Answer : (A) Aluminium, copper and manganese

H2SO4 (< 50% concentration) is corrosive to (A) Aluminium, mild steel, stainless steel, concrete & tin (B) Copper, cast iron & high silicon iron (14% Si) (C) Rubber (butyl and hard), silicone rubber & Teflon (D) Glass, graphite, porcelain & stoneware

Description : H2SO4 (< 50% concentration) is corrosive to (A) Aluminium, mild steel, stainless steel, concrete & tin (B) Copper, cast iron & high silicon iron (14% Si) (C) Rubber (butyl and hard), silicone rubber & Teflon (D) Glass, graphite, porcelain & stoneware

Last Answer : (A) Aluminium, mild steel, stainless steel, concrete & tin

Neutraliser tank used for reacting nitric acid with ammonia for the production of ammonium nitrate is made of (A) Aluminium (B) Stainless steel (C) High silicon (14%) iron (D) Copper

Description : Neutraliser tank used for reacting nitric acid with ammonia for the production of ammonium nitrate is made of (A) Aluminium (B) Stainless steel (C) High silicon (14%) iron (D) Copper

Last Answer : (B) Stainless steel

The alloy of aluminium used for making magnet is-----? A. Duralumin B. Y-Alloy C. Alnico (Answer) D. Aluminium bronze

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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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Most suitable material for high pressure vessel operating at 500 atm. and 500° C is (A) Molybdenum stainless steel(B) 18/8 stainless steel(C) Mild steel(D) High silicon iron (14% Si)

Description : Most suitable material for high pressure vessel operating at 500 atm. and 500° C is (A) Molybdenum stainless steel (B) 18/8 stainless steel (C) Mild steel (D) High silicon iron (14% Si)

Last Answer : (A) Molybdenum stainless steel

Rotary driers are generally made of (A) Cast iron (B) Mild steel (C) High silicon iron (14% Si) (D) Tin lined with refractory bricks

Description : Rotary driers are generally made of (A) Cast iron (B) Mild steel (C) High silicon iron (14% Si) (D) Tin lined with refractory bricks

Last Answer : (B) Mild steel

The 'bomb' in the bomb calorimeter is made of (A) Molybdenum stainless steel(B) Mild steel(C) High silicon iron (14% Si)(D) Copper

Description : The 'bomb' in the bomb calorimeter is made of (A) Molybdenum stainless steel (B) Mild steel (C) High silicon iron (14% Si) (D) Copper

Last Answer : (A) Molybdenum stainless steel

Copper is dissolved from its ore by H2SO4 in a percolation tank made of (A) Wood (B) Stainless steel (C) Reinforced concrete lined with lead (D) High silicon iron (14% Si)

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Last Answer : (C) Reinforced concrete lined with lead

Carbon tetrachloride can be stored in a storage vessel made of (A) High silicon iron (14% Si) (B) Tin (C) Stainless steel (D) All (A), (B) and (C)

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

Containers made of high silicon cast iron (14% Si) are not suitable for the storage of (A) Acetic acid (B) Benzoic & boric acids (C) Phosphoric acid (95%) & sulphuric acid (95%) (D) Hydrochloric acid (concentrated)

Description : Containers made of high silicon cast iron (14% Si) are not suitable for the storage of (A) Acetic acid (B) Benzoic & boric acids (C) Phosphoric acid (95%) & sulphuric acid (95%) (D) Hydrochloric acid (concentrated)

Last Answer : (D) Hydrochloric acid (concentrated)

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Which of the following is not an alloy of nickel and chromium? (A) Inconel (B) Hastelloy (C) Nimonic alloys (D) Duralumin

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Last Answer : (D) Duralumin

Which of the following low melting alloy containing bismuth and lead is used for electric fuse? (A) Wood's metal (B) Babbitt metal (C) Monel metal (D) Duralumin

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Out of the following, the alloy which has equal percentage of constituents, is (A) White metal (B) Gun metal (C) Duralumin (D) Constantan

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Last Answer : Option D

The metallic sheath may be made of lead or lead alloy or of aluminium. (a) Yes (b) No

Description : The metallic sheath may be made of lead or lead alloy or of aluminium. (a) Yes (b) No

Last Answer : (b) No

Which of the following alloy is used in making magnet? (1) Duralumin (2) Stainless steel (3) Elniko (4) Magnalium

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Duralumin is an alloy of?

Description : Duralumin is an alloy of?

Last Answer : Ans. Al+Cu+Mg+Mn

Which of the following alloy is used in making magnet ? (1) Duralumin (2) Stainless steel (3) Elniko (4) Magnalium

Description : Which of the following alloy is used in making magnet ? (1) Duralumin (2) Stainless steel (3) Elniko (4) Magnalium

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_______ being a very light metal is used for making aircraft bodies . a) aluminium b)copper c)zinc d)iron

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Last Answer : a) aluminium

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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Concentrated HCl at 30°C can be stored in a vessel made of (A) PTFE and porcelain (B) Cast iron and aluminium (C) Stainless steel and high silicon cast iron (D) None of these

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100% H2SO4 at 30°C can't be stored in a vessel made/lined with (A) Cast iron and high silicon iron (B) Mild steel and stainless steel (C) Aluminium, tin and rubber (D) Teflon, glass and porcelain

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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

Description : 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 ... Mild steel and stainless steel (C) Cast iron, tin and aluminium (D) Copper, nickel and Monel

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

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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Aluminium alloy is one of the most suitable materials of construction for aircrafts mainly due to its (A) High strength to weight ratio (B) Low temperature strength properties (C) Its ability to be cast, rolled, forged & stamped (D) High strength and corrosion & oxidation-resistance at elevated temperature

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Last Answer : (A) High strength to weight ratio

Constantan used in thermocouples is an alloy of (A) Iron & copper (B) Copper & aluminium (C) Lead & tin (D) None of these

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Which of the following materials has the maximum shrinkage allowance? (A) Brass (B) Cast iron (C) Lead (D) Aluminium alloy

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Last Answer : Option C

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Last Answer : Option C

Bauxite is an alloy of which of the following metals? (1) Aluminium (2) Silver (3) Tin (4) Iron

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Brass is an alloy of (A) copper and zinc. (B) copper and iron. (C) copper and Aluminium. (D) copper and tin.

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Bauxite is an alloy of which of the following metals ? (1) Aluminium (2) Silver (3) Tin (4) Iron

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