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Engineering Materials

Engineering Materials
The transistor is made of

Copper
Silver
Gold
Germanium

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Engineering Materials
Admiralty brass used for steam condenser tubes contains copper and zinc in the following ratio

2.9375
40 : 60
2.1180555555556
30 : 70

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Engineering Materials
If a refractory contains high content of silicon, it means refractory is

Basic
Brittle
Neutral
Acidic

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Engineering Materials
Free cutting steels

Is used where rapid machining is the prime requirement
Can be cut freely
Require minimum cutting force
Contain carbon in free from

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Engineering Materials
The heat treatment process used for softening hardened steel is

Annealing
Tempering
Carburising
Normalizing

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Engineering Materials
German silver is an alloy of

Nickel and copper
Nickel, Copper and zinc
Silver and some impurities
Refined silver

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MORE MCQ ON Engineering Materials

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