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Chemical Engineering Basics

Chemical Engineering Basics
The ratio of coil diameter to wire diameter of a spring is called the spring

Index
Form co-efficient
Deflection
None of these

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Chemical Engineering Basics
Steel produced from phosphatic iron is __________ in nature.

Brittle
Malleable
Ductile
Tough

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Chemical Engineering Basics
Nusselt number is related to Grashoff number (Gr) in turbulent & laminar flow respectively, in respect of free convection over a vertical flat plate as

Gr0.33, Gr0.25
Gr, Gr0.25
Gr0.25, Gr0.33
Gr0.25, Gr

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Chemical Engineering Basics
__________ is not a heat treatment process.

Martempering
Cyaniding
Pakerising
Austempering

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Chemical Engineering Basics
The predominant mode of heat transfer which takes place from boiler furnace to water walls of a boiler is

Radiation
Both A & B
Conduction
Convection

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Chemical Engineering Basics
Oxygen cylinders used for autogenous (cutting/welding) purposes are

Seamless & made of steel
Heat treated before use
Made by sand casting
Welded steel cylinders

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