__________ wire is never used for making the heating element. (A) Nichrome (B) Kanthal (C) Invar (D) None of these

__________ wire is never used for making the heating element. (A) Nichrome
(B) Kanthal
(C) Invar
(D) None of these
by

1 Answer

Answer :

(C) Invar
by

Related questions

High resistance electrical heating elements/wire are not made of (A) Maraging steel (B) Nimonic alloys (C) Kanthal wire (D) Nichrome

Description : High resistance electrical heating elements/wire are not made of (A) Maraging steel (B) Nimonic alloys (C) Kanthal wire (D) Nichrome

Last Answer : (A) Maraging steel

Nichrome wire is used as a heating element I many appliances because (a) it can be drawn out into wires easily (b) it has high resistivity (c) it resists oxidation in air when red hot (d) both (b) and (c) are correct

Description : Nichrome wire is used as a heating element I many appliances because (a) it can be drawn out into wires easily (b) it has high resistivity (c) it resists oxidation in air when red hot (d) both (b) and (c) are correct

Last Answer : Ans:(d)

A nichrome heating element connected to a 200 V supply draws an intial current of 2.2 A which settles down after a few seconds to a steady value of 2.

Description : A nichrome heating element connected to a 200 V supply draws an intial current of 2.2 A which settles down after a few seconds to a steady value of 2.

Last Answer : A nichrome heating element connected to a 200 V supply draws an intial current of 2.2 A which settles down after a ... is `1.7xx10^(-4) "per"^(@)C`.

An electric toaster uses nichrome for its heating element. When a negligibly small current passes through it. It resistance at room temperature `(27.0

Description : An electric toaster uses nichrome for its heating element. When a negligibly small current passes through it. It resistance at room temperature `(27.0

Last Answer : An electric toaster uses nichrome for its heating element. When a negligibly small current passes through it. ... range involved , `1.70xx10^-4C^-1`

Heating element of an electric heater is made up of _____? A. Tungsten B. Graphite C. Chromium 26 D. Nichrome

Description : Heating element of an electric heater is made up of _____? A. Tungsten B. Graphite C. Chromium 26 D. Nichrome

Last Answer : ANSWER: D

The heating element in an electric iron is made of (a) Nichrome (b) Tungsten (c) Copper (d) Iron

Description : The heating element in an electric iron is made of (a) Nichrome (b) Tungsten (c) Copper (d) Iron

Last Answer : Ans:(a)

An electric iron has a heating element made of – (1) Copper (2) Tungsten (3) Nichrome (4) Zinc

Description : An electric iron has a heating element made of – (1) Copper (2) Tungsten (3) Nichrome (4) Zinc

Last Answer : (3) Nichrome Explanation: Nichrome is used in electric iron because it has high resistance and it is stable in air when hot. Nichrome wire forms a protective layer of chromium oxide. Chemically it is quite stable and does not combine with other atmospheric gases even in high temperature.

Heating element of an electric heater is made up of------? A. Tungsten B. Graphite C. Chromium D. Nichrome (Answer)

Description : Heating element of an electric heater is made up of------? A. Tungsten B. Graphite C. Chromium D. Nichrome (Answer)

Last Answer : D. Nichrome (Answer)

An electric iron has a heating element made of : (1) Copper (2) Tungsten (3) Nichrome (4) Zinc

Description : An electric iron has a heating element made of : (1) Copper (2) Tungsten (3) Nichrome (4) Zinc

Last Answer : Nichrome

An alloy used in making heating elements for electric heating device is - (1) Solder (2) Alloy Steel (3) Nichrome (4) German Silver

Description : An alloy used in making heating elements for electric heating device is - (1) Solder (2) Alloy Steel (3) Nichrome (4) German Silver

Last Answer : (3) Nichrome Explanation: Nichrome is a mixture of chromium and nickel. Nichrome wire is a great conductor of electricity. Nichrome is used to make heating coils and other types of elements in household appliances.

An alloy used in making heating elements for electric heating device is (1) Solder (2) Alloy Steel (3) Nichrome (4) German Silver

Description : An alloy used in making heating elements for electric heating device is (1) Solder (2) Alloy Steel (3) Nichrome (4) German Silver

Last Answer : Nichrome

__________ does not contain copper as an alloying element, (A) Nichrome (B) Manganin (C) Perminvar (D) Monel metal

Description : __________ does not contain copper as an alloying element, (A) Nichrome (B) Manganin (C) Perminvar (D) Monel metal

Last Answer : (A) Nichrome

Pick out the wrong statement. (A) Weldability of high carbon steel is poorer compared to low carbon steel (B) Invar is a magnetic alloy (C) Magnetic permeability of the diamagnetic material is less than one (D) Martenistic transformation never goes to completion (i.e., 100%) at room temperature

Description : Pick out the wrong statement. (A) Weldability of high carbon steel is poorer compared to low carbon steel (B) Invar is a magnetic alloy (C) Magnetic permeability of the diamagnetic material is less than one (D) Martenistic transformation never goes to completion (i.e., 100%) at room temperature

Last Answer : Option B

An alloy used as thermocouple material comprises of 40% nickel and60% copper. It is called(A) Constantan(B) Kanthal(C) Chromel(D) German silver

Description : An alloy used as thermocouple material comprises of 40% nickel and60% copper. It is called (A) Constantan (B) Kanthal (C) Chromel (D) German silver

Last Answer : (A) Constantan

The element of Electric stove is made of (1) Copper (2) Invar (3) Magnalium (4) Nicrome

Description : The element of Electric stove is made of (1) Copper (2) Invar (3) Magnalium (4) Nicrome

Last Answer : (4) Nicrome Explanation: Most heating elements use nichrome 80/20 (80% nickel, 20%chromium) wire, ribbon, or strip. Nichrome 80/20 is an ideal material, because it has relatively high resistance.

A steel alloy containing 36% nickel is called __________, which has a zero co-efficient of expansion. (A) Austenitic stainless steel (B) Heat resisting steel (C) Invar (D) High speed steel

Description : A steel alloy containing 36% nickel is called __________, which has a zero co-efficient of expansion. (A) Austenitic stainless steel (B) Heat resisting steel (C) Invar (D) High speed steel

Last Answer : (C) Invar

Metallic surveying tapes are made of __________ which has a low co efficient of expansion & enough strength. (A) Invar (B) Hastelloy (C) Duralumin (D) Monel metal

Description : Metallic surveying tapes are made of __________ which has a low co efficient of expansion & enough strength. (A) Invar (B) Hastelloy (C) Duralumin (D) Monel metal

Last Answer : (A) Invar

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

Last Answer : (3) Nichrome Explanation: Nichrome is the most common domestic heating element and is found in many household products. Commonly, items such as toasters, hair dryers and heaters use nichrome coils to ... percent nickel and 20 percent chromium, and its high melting point of 1,400 degrees Celsius.

The heating elements of electric irons are made of (A) Copper. (B) Nichrome. (C) Constantan. (D) Aluminium.

Description : The heating elements of electric irons are made of (A) Copper. (B) Nichrome. (C) Constantan. (D) Aluminium.

Last Answer : (B) Nichrome.

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

Last Answer : Nichrome

What property of invar steel is used in making pendulums and measuring tapes?

Description : What property of invar steel is used in making pendulums and measuring tapes?

Last Answer : Invar steel has the least co-efficient of linear expansion.

Calculate the resistance of a 2 m long nichrome wire of radius 0.321 mm. Resistivity of nichrome is `15xx10^(-6) Omega` m. If a potential difference o

Description : Calculate the resistance of a 2 m long nichrome wire of radius 0.321 mm. Resistivity of nichrome is `15xx10^(-6) Omega` m. If a potential difference o

Last Answer : Calculate the resistance of a 2 m long nichrome wire of radius 0.321 mm. Resistivity of nichrome is ` ... wire, what will be the current in the wire ?

What happens to a nichrome wire in a non-luminous flame?

Description : What happens to a nichrome wire in a non-luminous flame?

Last Answer : The color of wire is unchanged.

Nichrome wire is used in an electric heater because _______. (1) It has high resistance (2) It has high melting point (3) It can resist a current upto approx 5 amperes (4) For all of the above reasons

Description : Nichrome wire is used in an electric heater because _______. (1) It has high resistance (2) It has high melting point (3) It can resist a current upto approx 5 amperes (4) For all of the above reasons

Last Answer : (4) For all of the above reasons

A nichrome wire used as heater coil has the resistance of 1 ohm/m. For ...

Description : A nichrome wire used as heater coil has the resistance of 1 ohm/m. For a heater of 1000 W at 200 V, the length of wire required will be 

Last Answer : A nichrome wire used as heater coil has the resistance of 1 ohm/m. For a heater of 1000 W at 200 V, the length of wire required will be 40 m.

Nichrome wire is an alloy of?

Description : Nichrome wire is an alloy of?

Last Answer : Nichrome wire is an alloy of nickel and chromium.

. Invar contains the highest percentage of (A) Vanadium (B) Iron (C) Tungsten (D) Cobalt

Description : . Invar contains the highest percentage of (A) Vanadium (B) Iron (C) Tungsten (D) Cobalt

Last Answer : (B) Iron

Which of the following is universally employed as the low expansion metal in the bimetallic thermometer, which is an iron-nickel alloy containing 36% nickel and has very low co-efficient of expansion (1/20th of ordinary metals) ? (A) Invar (B) Constantan (C) Chromel (D) Alumel

Description : Which of the following is universally employed as the low expansion metal in the bimetallic thermometer, which is an iron-nickel alloy containing 36% nickel and has very low co-efficient of expansion (1/20th of ordinary metals) ? (A) Invar (B) Constantan (C) Chromel (D) Alumel

Last Answer : (A) Invar

Invar used in thermocouples is an alloy of nickel and (A) Iron (B) Copper (C) Chromium (D) Lead

Description : Invar used in thermocouples is an alloy of nickel and (A) Iron (B) Copper (C) Chromium (D) Lead

Last Answer : (A) Iron

Constituent metals contained in Invar?

Description : Constituent metals contained in Invar?

Last Answer : Iron and Nickel

Short offsets are measured with (A) An ordinary chain(B) An invar tape (C) A metallic tape (D) A steel tape

Description : Short offsets are measured with (A) An ordinary chain (B) An invar tape (C) A metallic tape (D) A steel tape

Last Answer : (A) An ordinary chain

Invar contains (A) 12% of nickel (B) 24% of nickel (C) 30% to nickel (D) 36% of nickel

Description : Invar contains (A) 12% of nickel (B) 24% of nickel (C) 30% to nickel (D) 36% of nickel

Last Answer : Answer: Option D

The type of steel used for precision levelling staff, is (A) Titanium steel (B) Carbon steel (C) Invar (D) Stainless ste

Description : The type of steel used for precision levelling staff, is (A) Titanium steel (B) Carbon steel (C) Invar (D) Stainless steel

Last Answer : Answer: Option C

A metallic tape is made of (a) Steel (b) Invar (c) Linen (d) Cloth & wires*

Description : A metallic tape is made of (a) Steel (b) Invar (c) Linen (d) Cloth & wires*

Last Answer : (d) Cloth & wires

Identify the alloy containing a non-metal as a constituent in it. (1) Bronze (2) Invar (3) Steel

Description : Identify the alloy containing a non-metal as a constituent in it. (1) Bronze (2) Invar (3) Steel

Last Answer : Steel

Select insulating materials for following parts : (i) Insulation between heating element and base plate of electric iron. (ii) Insulation used over copper or aluminium conductor used for making coils. (iii) Transformer bushings. (iv) Insulation between transmission line and pole.

Description : Select insulating materials for following parts : (i) Insulation between heating element and base plate of electric iron. (ii) Insulation used over copper or aluminium conductor used for making coils. (iii) Transformer bushings. (iv) Insulation between transmission line and pole.

Last Answer : Parts Insulating Materials  Insulation between heating element and base plate of electric iron. Mica Insulation used over copper or aluminium conductor used for making coils.  ... Transformer bushings Porcelain  Insulation between transmission line and pole. Porcelain

Chromel (Nichrome) is an alloy of (A) Chromium and molybdenum (B) Nickel and chromium (C) Molybdenum and nickel (D) Chromium and aluminium

Description : Chromel (Nichrome) is an alloy of (A) Chromium and molybdenum (B) Nickel and chromium (C) Molybdenum and nickel (D) Chromium and aluminium

Last Answer : (B) Nickel and chromium

The material used in the filament of electric bulbs is (A) Nichrome (B) Tungsten (C) Constantan (D) German silver

Description : The material used in the filament of electric bulbs is (A) Nichrome (B) Tungsten (C) Constantan (D) German silver

Last Answer : (B) Tungsten

Pick out the wrong statement. (A) Alloys are harder than their component elements (B) Presence of silicon in steel decreases its electrical resistance (C) Karbate is an acid resistant material of construction (D) Nichrome, a steel alloyed with 10% Ni and 20% Cr can be used upto a temperature of 1100°C

Description : Pick out the wrong statement. (A) Alloys are harder than their component elements (B) Presence of silicon in steel decreases its electrical resistance (C) Karbate is an acid resistant material of construction ... , a steel alloyed with 10% Ni and 20% Cr can be used upto a temperature of 1100°C

Last Answer : (B) Presence of silicon in steel decreases its electrical resistance

What are the metals made of nichrome ?

Description : What are the metals made of nichrome ?

Last Answer : : Nichrome is an alloy of nickel , chromium and iron.

What is Nichrome used for ?

Description : What is Nichrome used for ?

Last Answer : Nichrome is used in electric heaters

What material is used to make electric heater coil? (1) Copper (2) Iron (3) Silver (4) Nichrome

Description : What material is used to make electric heater coil? (1) Copper (2) Iron (3) Silver (4) Nichrome

Last Answer : (4) Nichrome Explanation: Nichrome is a non-magnetic alloy of nickel, chromium, and often iron, usually used as a resistance wire. Patented in 1905, it is the oldest documented form of resistance heating ... is corrosion-resistant, and has a high melting point of about 1400 degree C (2552 degree F).

For which of the following substances, the resistance decreases with increase in temperature? (1) Pure silicon (2) Copper (3) Nichrome (4) Platinum

Description : For which of the following substances, the resistance decreases with increase in temperature? (1) Pure silicon (2) Copper (3) Nichrome (4) Platinum

Last Answer : (3) Nichrome Explanation: Nichrome has high resistance and it is called a resistor.

The material used in electric heater is (1) Tungsten (2) Nichrome (3) Brass (4) Steel

Description : The material used in electric heater is (1) Tungsten (2) Nichrome (3) Brass (4) Steel

Last Answer : (2) Nichrome Explanation: Due to its resistance to oxidation and stability at high temperatures, Nichrome is widely used in electic heating elements, such as in appliances and tools. Typically, ... in coils to a certain electrical resistance, and current is passed through it to produce heat.

The filament of electric bulb is made of (1) Iron (2) Nichrome (3) Tungsten (4) Graphite

Description : The filament of electric bulb is made of (1) Iron (2) Nichrome (3) Tungsten (4) Graphite

Last Answer : (3) Tungsten Explanation: The filament is the part of the light bulb that produces light. Filaments in incandescent light bulbs are made of tungsten.

The filament of electric bulb is made up of : (1) Copper (2) Nichrome (3) Lead (4) Tungsten

Description : The filament of electric bulb is made up of : (1) Copper (2) Nichrome (3) Lead (4) Tungsten

Last Answer : (4) Tungsten Explanation: An incandescent light bulb, incandescent lamp or incandescent light globe is an electric light which produces light with a filament wire heated to a high temperature by an electric ... through it, until it glows. Tungsten, also known as wolfram, is a chemical element.

Tick off the material, which is different from the group (A) Constantan. (B) Manganin. (C) Nichrome. (D) Brass.

Description : Tick off the material, which is different from the group (A) Constantan. (B) Manganin. (C) Nichrome. (D) Brass.

Last Answer : (D) Brass.

Example of high resistivity material is (A) Nichrome (B) Silver (C) Gold (D) Copper

Description : Example of high resistivity material is (A) Nichrome (B) Silver (C) Gold (D) Copper

Last Answer : (A) Nichrome

The material with lowest resistivity is (A) constantan. (B) silver. (C) manganin. (D) nichrome.

Description : The material with lowest resistivity is (A) constantan. (B) silver. (C) manganin. (D) nichrome.

Last Answer : (B) silver.

What material is used to make electric heater coil ? (1) Copper (2) Iron (3) Silver (4) Nichrome

Description : What material is used to make electric heater coil ? (1) Copper (2) Iron (3) Silver (4) Nichrome

Last Answer : Nichrome