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Chemical Engineering Basics

Chemical Engineering Basics
Measurement of the area of the indented surface is not involved in the __________ hardhes testing method.

Rockwell
Brinell
Knoop
Vicker's

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Chemical Engineering Basics
Transition from laminar flow to turbulent flow in fluid flow through a pipe does not depend upon the

Velocity of the fluid
Diameter of the pipe
Density of the fluid
Length of the pipe

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

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

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Chemical Engineering Basics
Air/fuel ratio by weight for combustion of methane with theoretical quantity of air will be about

0.37569444444444
0.95902777777778
0.70902777777778
1.2090277777778

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Chemical Engineering Basics
Area under the stress-strain curve upto the __________ is referred to as the modulus of resilience.

Maximum point
Yield strength
Proportional limit
Elastic limit

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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

Martensite
Bainite
Troostite
Sorbite

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