Earth wire or ground wire is made of: a) copper b) aluminium c) iron d) galvanized steel

Earth wire or ground wire is made of: a) copper b) aluminium c) iron d) galvanized steel
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How much does galvanized steel wire cost per foot?

Description : How much does galvanized steel wire cost per foot?

Last Answer : Depending on the grade of steel that you want, the cost can be anywhere from $0.25 per foot, to approximately $18.00 per foot. These costs of course depend on the strength of the ... such as holding suspension bridges together. The lowere end steel cables are generally strong enough to tow cars.

Is galvanized steel wire better for fences then non-galvanized steel wire?

Description : Is galvanized steel wire better for fences then non-galvanized steel wire?

Last Answer : There's really no such thing as a steel wire fence without galvanising. An ungalvanized steel wire fence would rust the first time it rained. Therefore you'd rather have galvanized steel or another ... process coats the steel with a zinc coating, making it rust-resistant in the presence of moisture.

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

Mixing vessel used for the chlorination of methane to produce methyl chloride is made of (A) Copper (B) Cast iron (C) Aluminium (D) High carbon steel

Description : Mixing vessel used for the chlorination of methane to produce methyl chloride is made of (A) Copper (B) Cast iron (C) Aluminium (D) High carbon steel

Last Answer : (B) Cast iron

Rohan had learnt that non-metals on beating with hammer are generally broken into pieces. Which of the following is a non-metal? a) iron nail b)aluminium wire c)copper wire d)piece of coal

Description : Rohan had learnt that non-metals on beating with hammer are generally broken into pieces. Which of the following is a non-metal? a) iron nail b)aluminium wire c)copper wire d)piece of coal

Last Answer : d)piece of coal

The joint for soldering is supported by binding wire made of (A) Mild steel (B) Copper (C) Soft iron (D) Stainless steel

Description : The joint for soldering is supported by binding wire made of (A) Mild steel (B) Copper (C) Soft iron (D) Stainless steel

Last Answer : Option C

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

Description : 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

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

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

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

is usually used for brush rockers (a) Mild steel (b) Copper (c) Aluminium (d) Cast-iron

Description : is usually used for brush rockers (a) Mild steel (b) Copper (c) Aluminium (d) Cast-iron

Last Answer : (d) Cast-iron

Which ofthe following materials is used in the manufacture of resistance grids to be used in the starters of large motors ? (a) Copper (b) Aluminium (c) Steel (d) Cast-iron

Description : Which ofthe following materials is used in the manufacture of resistance grids to be used in the starters of large motors ? (a) Copper (b) Aluminium (c) Steel (d) Cast-iron

Last Answer : (d) Cast-iron

Wire in general, when used aboard vessels must meet minimum requirements. Which of the following statements is/are correct? A. Each wire must be 14 AWG or larger, regardless of locations and use. B. Wire must be copper stranded. C. The only wire that does not have to be in a suitable enclosure or cover is the ground wire used with portable tools and lights. D. All of the above.

Description : Wire in general, when used aboard vessels must meet minimum requirements. Which of the following statements is/are correct? A. Each wire must be 14 AWG or larger, regardless of locations and use. B. ... enclosure or cover is the ground wire used with portable tools and lights. D. All of the above.

Last Answer : Answer: B

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

Description : 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

Last Answer : (2) an alloy of tin and lead Explanation: Electric fuse wire is an alloy made of tin (63 % lead 37 %. The cross sectional area determines the melting point at a certain current. Alloys (e.g. ... resulting combination of good conductivity (due to the tin) with a low melting point due to the lead).

The resistance wire used in a hot wire anemometer for conducting electrical current is made of (A) Copper (B) Tungsten (C) Chromium (D) Aluminium

Description : The resistance wire used in a hot wire anemometer for conducting electrical current is made of (A) Copper (B) Tungsten (C) Chromium (D) Aluminium

Last Answer : (B) Tungsten

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

Description : 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

Last Answer : an alloy of tin and lead

Can you weld galvanized metal to steel?

Description : Can you weld galvanized metal to steel?

Last Answer : When using SMAW ("stick") welding, galvanized steel can be welded in the same manner as uncoated steel. ... The thicker the zinc coating, the more fumes are generated, and those fumes have to be able to escape easily into the atmosphere and not be forced through the liquid weld metal.

A galvanometer is an instrument used to measure ___________. A. thickness of galvanized metal B. resistance of electrical wiring insulation C. very small amounts of current or voltage D. quantity of galvans in an electric circuit

Description : A galvanometer is an instrument used to measure ___________. A. thickness of galvanized metal B. resistance of electrical wiring insulation C. very small amounts of current or voltage D. quantity of galvans in an electric circuit

Last Answer : Answer: C

Galvanized iron has a thin coating of : -General Knowledge

Description : Galvanized iron has a thin coating of : -General Knowledge

Last Answer : Zinc is the coating

Zrezne galvanized iron?

Description : Does the galvanized railing still have to be painted or will it not rust on its own with galvanizing?

Last Answer : Galvanized iron must be allowed to oxidize, otherwise the paint would not adhere to it at all. It depends on the strength of the zinc layer, but it is definitely better to paint with a suitable color. ... It creates a thin film that does not peel off, but must be renewed from time to time :)

For ammonia refrigerating systems, the tubes of a shell and tube condenser are made of (a) copper (b) aluminium (c) steel (d) brass

Description : For ammonia refrigerating systems, the tubes of a shell and tube condenser are made of (a) copper (b) aluminium (c) steel (d) brass

Last Answer : Ans: c

Refined acetic acid storage vessel are made of (A) Copper (B) Aluminium (C) High carbon steel (D) Nickel

Description : Refined acetic acid storage vessel are made of (A) Copper (B) Aluminium (C) High carbon steel (D) Nickel

Last Answer : (B) Aluminium

Dip stick used for measuring the level of petro fuels (e.g. petrol, diesel, fuel oil etc.) in the storage tank is usually made of (A) Brass (B) Copper (C) High carbon steel (D) Aluminium

Description : Dip stick used for measuring the level of petro fuels (e.g. petrol, diesel, fuel oil etc.) in the storage tank is usually made of (A) Brass (B) Copper (C) High carbon steel (D) Aluminium

Last Answer : (A) Brass

Temperature of hot gases flowing in a pipe is measured by a thermocouple inserted in the thermal well. The thermal well made of __________ will facilitate the most accurate measurement of the temperature. (A) Copper (B) Steel (C) Aluminium (D) Brass

Description : Temperature of hot gases flowing in a pipe is measured by a thermocouple inserted in the thermal well. The thermal well made of __________ will facilitate the most accurate measurement of the temperature. (A) Copper (B) Steel (C) Aluminium (D) Brass

Last Answer : Option A

Temperature of hot gases flowing in a pipe is measured by a thermocouple inserted in the thermal well. The thermal well made of __________ will facilitate the most accurate measurement of the temperature. (A) Copper (B) Steel (C) Aluminium (D) Brass

Description : Temperature of hot gases flowing in a pipe is measured by a thermocouple inserted in the thermal well. The thermal well made of __________ will facilitate the most accurate measurement of the temperature. (A) Copper (B) Steel (C) Aluminium (D) Brass

Last Answer : Option A

A copper wire of diameter 0.16 cm is connected in series to an aluminium wire of diameter 0.25 cm. A current of 10 A is passed through them. Find (i)

Description : A copper wire of diameter 0.16 cm is connected in series to an aluminium wire of diameter 0.25 cm. A current of 10 A is passed through them. Find (i)

Last Answer : A copper wire of diameter 0.16 cm is connected in series to an aluminium wire of diameter 0.25 cm. A ... of aluminium wire is `10^(29) m^(-3)`.

Acetaldehyde is produced by hydration of acetylene in a sulphuric acid solution of mercuric sulphate. Hydration tower is made of (A) Rubber lined mild steel (B) Lead lined mild steel (C) Aluminium (D) Cast iron

Description : Acetaldehyde is produced by hydration of acetylene in a sulphuric acid solution of mercuric sulphate. Hydration tower is made of (A) Rubber lined mild steel (B) Lead lined mild steel (C) Aluminium (D) Cast iron

Last Answer : (A) Rubber lined mild steel

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

Description : 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

Last Answer : (A) PTFE and porcelain

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

Description : 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

Last Answer : (C) Aluminium, tin and rubber

Spray dryer for evaporating milk to produce milk powder is made of (A) Lead lined steel (B) Stainless steel (C) Aluminium (D) Cast iron

Description : Spray dryer for evaporating milk to produce milk powder is made of (A) Lead lined steel (B) Stainless steel (C) Aluminium (D) Cast iron

Last Answer : (B) Stainless steel

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

Description : 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

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

Stainless steel contains which of the following? (a) Aluminium and Zinc (b) Chromium and Carbon (c) Zinc and Mercury (d) Copper and Cadmium

Description : Stainless steel contains which of the following? (a) Aluminium and Zinc (b) Chromium and Carbon (c) Zinc and Mercury (d) Copper and Cadmium

Last Answer : Ans:(b)

Which of the following is arranged in order of decreasing conductivity? (1) Copper, Aluminium, Steel, Silver (2) Aluminium, Silver, Copper, Steel (3) Copper, Silver, Aluminium, Steel (4) Silver, Copper, Aluminium, Steel

Description : Which of the following is arranged in order of decreasing conductivity? (1) Copper, Aluminium, Steel, Silver (2) Aluminium, Silver, Copper, Steel (3) Copper, Silver, Aluminium, Steel (4) Silver, Copper, Aluminium, Steel

Last Answer : (4) Silver, Copper, Aluminium, Steel Explanation: Copper ; 9% less conductive than silver; aluminium is 10% less conductive than copper; while steel is the least conductive among the given options. The most electrically conductive metal is silver.

Stainless steel contains (A) Chromium and nickel (B) Copper (C) Aluminium (D) Vanadium

Description : Stainless steel contains (A) Chromium and nickel (B) Copper (C) Aluminium (D) Vanadium

Last Answer : (A) Chromium and nickel

Which metal is added to steel to make it stainless steel? A. Chromium (Answer) B. Aluminium C. Carbon D. Copper

Description : Which metal is added to steel to make it stainless steel? A. Chromium (Answer) B. Aluminium C. Carbon D. Copper

Last Answer : A. Chromium (Answer)

L.D. (Linz-Donawitz) converter is used in the production of (A) Copper (B) Steel (C) Zinc (D) Aluminium

Description : L.D. (Linz-Donawitz) converter is used in the production of (A) Copper (B) Steel (C) Zinc (D) Aluminium

Last Answer : (B) Steel

Which of the following materials has the least scrap value? (A) Aluminium (B) Stainless steel (C) Brass (D) Copper

Description : Which of the following materials has the least scrap value? (A) Aluminium (B) Stainless steel (C) Brass (D) Copper

Last Answer : Option B

Which of the following is the most suitable material of construction for the condenser tubes, where the cooling medium is brine (salty water)? (A) Aluminium (B) Copper (C) Titanium (D) Stainless steel

Description : Which of the following is the most suitable material of construction for the condenser tubes, where the cooling medium is brine (salty water)? (A) Aluminium (B) Copper (C) Titanium (D) Stainless steel

Last Answer : Option C

The material generally used for armour of high voltage cables is (a) aluminium (b) steel (c) brass (d) copper

Description : The material generally used for armour of high voltage cables is (a) aluminium (b) steel (c) brass (d) copper

Last Answer : (b) steel

Which of the following materials is not used for transmission and distribution of electrical power ? (a) Copper (b) Aluminium (c) Steel (d) Tungsten

Description : Which of the following materials is not used for transmission and distribution of electrical power ? (a) Copper (b) Aluminium (c) Steel (d) Tungsten

Last Answer : (d) Tungsten

Which of the following materials is used for overhead transmission lines ? (a) Steel cored aluminium (b) Galvanised steel (c) Cadmium copper (d) Any of the above

Description : Which of the following materials is used for overhead transmission lines ? (a) Steel cored aluminium (b) Galvanised steel (c) Cadmium copper (d) Any of the above

Last Answer : (d) Any of the above

The material generally used for armour of high voltage cables is (a) aluminium (b) steel (c) brass (d) copper

Description : The material generally used for armour of high voltage cables is (a) aluminium (b) steel (c) brass (d) copper

Last Answer : (b) steel

Which of the following materials is not used for transmission and distribution of electrical power ? (a) Copper (b) Aluminium (c) Steel (d) Tungsten

Description : Which of the following materials is not used for transmission and distribution of electrical power ? (a) Copper (b) Aluminium (c) Steel (d) Tungsten

Last Answer : (d) Tungsten

Bronze is an alloy of (A) Copper and Tin. (B) Copper and Steel. (C) Copper and Mercury. (D) Copper and Aluminium.

Description : Bronze is an alloy of (A) Copper and Tin. (B) Copper and Steel. (C) Copper and Mercury. (D) Copper and Aluminium.

Last Answer : (A) Copper and Tin.

is universally used for windings of electrical machines because it is easily workable without any possibility of fracture. (a) Silver (b) Steel (c) Aluminium (d) Copper

Description : is universally used for windings of electrical machines because it is easily workable without any possibility of fracture. (a) Silver (b) Steel (c) Aluminium (d) Copper

Last Answer : (d) Copper

Which of the following is arranged in order of decreasing conductivity? (1) Copper, Aluminium, Steel, Silver (2) Aluminium, Silver, Copper, Steel (3) Copper, Silver, Aluminium, Steel (4) Silver, Copper, Aluminium, Steel

Description : Which of the following is arranged in order of decreasing conductivity? (1) Copper, Aluminium, Steel, Silver (2) Aluminium, Silver, Copper, Steel (3) Copper, Silver, Aluminium, Steel (4) Silver, Copper, Aluminium, Steel 

Last Answer : Silver, Copper, Aluminium, Steel

What happens when a iron nail or a piece of aluminium wire is dipped in concentrated nitric acid?

Description : What happens when a iron nail or a piece of aluminium wire is dipped in concentrated nitric acid?

Last Answer : Iron nail or aluminium wire does not react with concentrated nitric acid. It makes iron more passive.

Why bimetallic washers provided in aluminium copper transition joints?

Description : Why bimetallic washers provided in aluminium copper transition joints?

Last Answer : To avoid galvanic corrosion failure.  

What is resistance of copper compare to the aluminium?

Description : What is resistance of copper compare to the aluminium?  

Last Answer : Copper is less resistive than aluminium.  

The ground wire should not be smaller than No ______ copper. (a) 2 (b) 4 (c) 6 (d) 10

Description : The ground wire should not be smaller than No ______ copper. (a) 2 (b) 4 (c) 6 (d) 10

Last Answer : (d) 10

The ground wire should not be smaller than No ______ copper.

Last Answer : The ground wire should not be smaller than No 10 copper.