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Materials and Construction

Materials and Construction
Constantan is an alloy of

Fe (80%) & Ni (20%)
Cu (55%) & Ni (45%)
Cu (55%) & Sn (45%)
Pt (95%) & Rh (10%)

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Materials and Construction
High speed cutting tool steels contain about __________ percent of tungsten.

50-55
43990
30-35
18-20

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Materials and Construction
The behaviour of visco-elastic material is time dependent. This behaviour is commo in __________ materials.

Crystalline
Non-crystalline solid
Non-crystalline organic polymeric
Rubberry

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Materials and Construction
Carbon tetrachloride can be stored in a storage vessel made of

High silicon iron (14% Si)
Stainless steel
Tin
All of these

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Materials and Construction
In hot wire aneomometer used for gas flow measurement, the wire is normally made of

Constantan
Copper
Platinum
Chromium

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

Nickel
Copper
Brass
Stainless steel

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