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Materials and Construction

Materials and Construction
Carbon content in plain carbon steel is __________ percent.

0.1 to 0.15
0.65 to 0.80
0.85 to 1.2
0.35 to 0.45

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Materials and Construction
Dielectric strength of a material is

Its capacity to resist the flow of current
Its energy stroage capacity
Its capacity to withstand high voltage
A magnetic property

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Materials and Construction
Rotary driers are generally made of

High silicon iron (14% Si)
Tin lined with refractory bricks
Cast iron
Mild steel

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Materials and Construction
Cementite is

A compound of carbon and iron
All of these
Fe₃C chemically
Characterised by an orthorhombic crystal structure

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Materials and Construction
The formation of oxide film on a metal due to atmospheric exposure reduces its

Stiffness
All of these
Toughness
Creep limit

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Materials and Construction
Brine solution is stored/treated in __________ lined vessels/pipes.

Rubber
Glass
Lead
Nickel

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