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Chemical Engineering Basics

Chemical Engineering Basics
Brinell Hardness Number (BHN) for talc is approximately in the range of

100-150
20-30
200-250
1-5

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Chemical Engineering Basics
A controller action in which there is a con-tinous relation between the values of controlled variable and the rate of change of conrolled output signal is called the __________ action.

Proportional
None of these
Derivative
Integral

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Chemical Engineering Basics
Tempering of a material does not improve its

Machinability
Internal stress level
Softness
Toughness

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Chemical Engineering Basics
Limestone addition in the blast furnace is done to flux __________ present in the raw materials.

MnO₂
P
SiO₂
Al2O₃

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Chemical Engineering Basics
The process of removal of scale formed during hot rolling of steel is termed as

Skimming
Shot blasting
Pickling
Descaling

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

Elastic limit
Maximum point
Yield strength
Proportional limit

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