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Materials and Construction

Materials and Construction
In order to be called steel, an alloy should have iron percentage greater than

80
90
50
70

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Materials and Construction
The high expansion metal normally used in the bimetallic thermometer is __________ temperature measurement.

Aluminium for all
Brass for low
Nickel alloys for high
Both A & B

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Materials and Construction
Which of the following has a very high carbide forming tendency in steels?

Nickel
Chromium
Silicon
Vanadium

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Materials and Construction
Reduction in the grain size reduces the __________ of the material.

Creep resistance
Fatigue resistance
Tensile strength
All of these

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Materials and Construction
Mild steel storage vessels are suitable for the storage of

Sulphuric acid (25%)
Anhydrous ammonia
Hydrochloric acid (95%)
Fatty acids

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Materials and Construction
Tin coating on metals is not done by

Hot dipping
Electro-deposition
Spraying
Powder metallurgy

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MORE MCQ ON Materials and Construction

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