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Materials and Construction

Materials and Construction
Maximum permissible sulphur content in steel is __________ percent.

0.055
0.805
0.015
0.505

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Materials and Construction
Purity of electrical grade aluminium should be ≥ __________ percent.

85
95
99.5
90

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Materials and Construction
Alinco, which is a aluminium-cobalt-nickel steel, is used for making

Surgical instruments
Boiler tubes
Chemical equipments
Powerful magnets

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Materials and Construction
Maximum consumption of zinc is in

Alloying
Galvanising
Utensil manufacture
Electrical industry

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Materials and Construction
Vessels made of __________ can be used to store dry chlorine.

Steel or iron
Thermoplastic materials
None of these
Nickel

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Materials and Construction
18/8 stainless steel means, that it contains

18% molybdenum and 8% chromium
18% chromium and 8% nickel
18% nickel and 8% chromium
18% chromium and 8% molybdenum

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