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Chemical Engineering Basics

Chemical Engineering Basics
Which of the following materials has the maximum shrinkage allowance ?

Brass
Lead
Cast iron
Aluminium alloy

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Chemical Engineering Basics
Protection of ship hulls against sea water corrosion is done by coating with zinc because of the fact that zinc compared to iron is

Oxidised preferentially
Lighter
Reduced preferentially
Cheaper

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Chemical Engineering Basics
Powder metallurgy is used to produce

Components of such alloys whose constituents do not form alloys readily
Components of large size
Porosity free components
High precision components with complex cavities and sharp features

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Chemical Engineering Basics
A 2 kg object weighs 1.8 kgf on a spring balance. The value of 'g' at that location in m/seC₂ is

10.88
9.81
8.82
0.95

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Chemical Engineering Basics
Lead is poured into the joint between two __________ pipes.

Cast iron
Mild steel
Asbestos cement
Concrete

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Chemical Engineering Basics
Consideration of the creep is the most important in case of the

Piston of an I. C. engine
Cycle chain
Blades of gas turbine
Flywheel of steam engine

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