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Chemical Engineering Basics

Chemical Engineering Basics
Nusselt number is related to the Reynolds number (Re) in turbulent & laminar flow respectively as

Re0.8, Re-0.5
Re0.5, Re0.8
Re-0.8, Re0.5
Re0.8, Re0.5

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Chemical Engineering Basics
Toughness of a material is measured by the

Universal testing machine
Scratch test
Vicker's hardness test
Notched bar test

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Chemical Engineering Basics
Function of feed check valve in a boiler is to

Facilitate circulation of high pressure feed water
Check the water level in the boiler drum
Regulate the water flow to boiler
Prevent the back flow of water

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Chemical Engineering Basics
__________ joint is usually used for joining cast iron pipes mostly used for temporary pipelines, where it may be necessary to dismantle & reassemble the pipeline very frequently.

Collar
Bell and Spigot
Expansion
Flanged

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Chemical Engineering Basics
__________ of hard alloy and tool steel is done to make it easily machinable.

Normalising
Case carburising
Annealing
Tempering

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Chemical Engineering Basics
The most important material handling system in an integrated steel plant is the

Diesel locomotive
Truck
Belt conveyor
Overhead hoists & cranes

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