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Engineering Materials

Engineering Materials
Maximum percentage of carbon in austenite is

0.008
0.00025
0.017
0.0026

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Engineering Materials
The main alloying elements high speed steel in order of increasing proportion are

Vanadium, chromium, tungsten
Tungsten, chromium, titanium
Chromium, titanium, vanadium
Tungsten, titanium, vanadium

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Engineering Materials
Cast iron is manufactured in

Open hearth furnace
Bessemer converter
Blast furnace
Cupola

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Engineering Materials
Iron is

Dielectric
Paramagnetic
Ferromagnetic
Ferroelectric

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Engineering Materials
Which of the following metal is used in making electrical resistance wire for electric furnaces and heating elements?

Nichrome
Babbitt metal
Phosphor bronze
Monel metal

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Engineering Materials
Compressive strength of grey cast iron in tonnes/cm is of the order of

1015
35
710
57

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