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Chemical Engineering Basics

Chemical Engineering Basics
Grain hardness is measured by the __________ hardness testing method.

Vicker's
Knoop
Rockwell F
Shore sceleroscope

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Chemical Engineering Basics
A suitable lubricant used for watches is

Hazel-nut oil
Metallic soap solution
Grease
Palm oil

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Chemical Engineering Basics
Notched bar test is used for testing the __________ of a material.

Corrosion resistance
Machinability
Impact strength
Endurance limit

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Chemical Engineering Basics
A compact estimate about the amount of materials handling between various work stations is obtained from the

Travel chart
Bin chart
Gantt chart
String diagram

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

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

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Chemical Engineering Basics
The velocity of sound in air is independent of changes in its

Temperature
Pressure
Humidity
None of these

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