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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
Which one is neutral in character ?

N₂O
N₂O₃
N₂O₅
N₂O₄

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Chemical Engineering Basics
Which of the following welding processes employs the highest welding temperature ?

Resistance welding
Thermit welding
Gas welding
Arc welding

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Chemical Engineering Basics
Ignition of fuel in a diesel engine is by

Spark
Fuel injection
None of these
Hot compressed air

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Chemical Engineering Basics
When the wet steam is throttled but still remains wet at the exit of the throttle valve, then its temperature & dryness fraction respectively

Increases & increases
Decreases & decreases
Decreases & increases
Increases & decreases

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Chemical Engineering Basics
The property of material, by which a given amount of energy is absorbed by it, without plastic deformation is called

Toughness
Ductility
Impact strength
Resilience

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