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Chemical Engineering Basics

Chemical Engineering Basics
Deformation band is absent in materials having __________ lattice crystal structure.

Fcc
Hcp
Bcc
None of these

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Chemical Engineering Basics
Ultimate strength in tension as compared to that in shear for steel is

One third
One fourth
Half
One and half times

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Chemical Engineering Basics
The best criterion for analysing an economic investment is the

Present value method
Rate of return criterion
Future value method
Salvage value

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Chemical Engineering Basics
Austempering of steel requires.it to be heated to 875°C followed by sudden cooling to 250-525°C, thereby changing austenite to

Troostite
Sorbite
Martensite
Bainite

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

Cast iron
Steel
Concrete
Plastic

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Chemical Engineering Basics
The most commonly used combustion system manufactured in India for the thermal power plant boilers is the __________ combustion system.

Fluidised bed
Circulating fluidised bed
Travelling grate stoker firing
Pulverised fuel

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