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 (l/20th of ordinary metals)?

Materials and Construction
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 (l/20th of ordinary metals)?

Invar

Chromel

Alumel

Constantan

Invar

Chromel

Alumel

Constantan

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Materials and Construction
A metallic alloy in which one of the constituent metal is __________ , is called an amalgam.

Tin

Lead

Mercury

Zinc

Tin

Lead

Mercury

Zinc

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Materials and Construction
Iron rust is

Hydrated ferric oxide

Ferric sulphide

Ferrous oxide

Powdered iron

Hydrated ferric oxide

Ferric sulphide

Ferrous oxide

Powdered iron

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Materials and Construction
Fermenter used in the production of pen-cillin by deep fermentation proces is a __________ lined steel vessel

Nickel

Glass

Monel

Rubber

Nickel

Glass

Monel

Rubber

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Materials and Construction
Tubes of multiple effect evaporator used for concentration of sugar cane juice are made of

Nickel

Brass

Copper

Stainless steel

Nickel

Brass

Copper

Stainless steel

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Materials and Construction
Nickel as a material of construction

Has a body centred cubic (bcc) crystal lattice structure

Dimagnetic

Is used as an alloying element for both ferrous & non-ferrous alloys

Is paramagnetic below 415° C (its Curie temperature)

Has a body centred cubic (bcc) crystal lattice structure

Dimagnetic

Is used as an alloying element for both ferrous & non-ferrous alloys

Is paramagnetic below 415° C (its Curie temperature)

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Materials and Construction

Materials and Construction 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 (l/20th of ordinary metals)?

Materials and Construction A metallic alloy in which one of the constituent metal is __________ , is called an amalgam.

Materials and Construction Iron rust is

Materials and Construction Fermenter used in the production of pen-cillin by deep fermentation proces is a __________ lined steel vessel

Materials and Construction Tubes of multiple effect evaporator used for concentration of sugar cane juice are made of

Materials and Construction Nickel as a material of construction

Materials and Construction
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 (l/20th of ordinary metals)?

Materials and Construction
A metallic alloy in which one of the constituent metal is __________ , is called an amalgam.

Materials and Construction
Iron rust is

Materials and Construction
Fermenter used in the production of pen-cillin by deep fermentation proces is a __________ lined steel vessel

Materials and Construction
Tubes of multiple effect evaporator used for concentration of sugar cane juice are made of

Materials and Construction
Nickel as a material of construction