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Engineering Materials

Engineering Materials
In mottled cast iron, carbon is available in

Combined form
Partly in free and partly in combined state
Free form
Nodular form

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Engineering Materials
Lead is poured into the joint between two pipes. These pipes may be made of

Asbestos cement
Vitrified clay
Cast iron
Concrete

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Engineering Materials
Gamma-iron occurs between the temperature ranges of

600°C to 900°C
1400°C to 1530°C
900°C to 1400°C
400°C to 600°C

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Engineering Materials
In the lower part of the blast furnace (zone of fusion), the temperature is

800°C to 1000°C
1200°C to 1300°C
400° to 700°C
1500°C to 1700°C

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Engineering Materials
Basic solution is one which has pH value

Less than 7
Equal to 7
pH value has nothing to do with basic solution
Greater than 7

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Engineering Materials
Which of the following pipes is least corrosion resistant?

Brass
Cast iron
Wrought iron
Mild steel

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