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Chemical Engineering Basics

Chemical Engineering Basics
While the oxy-acetylene flame produces a temperature of 3200°C, the temperature produced by oxy-hydrogen flame is about __________ °C.

1800
3000
2400
2000

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Chemical Engineering Basics
Lime contains about 90% CaO. Percentage CaO present in limestone is about

50
70
80
25

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Chemical Engineering Basics
Isotropic materials have the same __________ in all directions.

Elastic properties
Density
Induced stresses
Thermal properties

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Chemical Engineering Basics
Powder metallurgy is used to produce

Components of such alloys whose constituents do not form alloys readily
Components of large size
Porosity free components
High precision components with complex cavities and sharp features

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Chemical Engineering Basics
Which of the following is a boiler accessory i.e., not a boiler mounting ?

Feed water pump
Blow off cock
Stop valve
Feed check valve

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Chemical Engineering Basics
Eutectic reaction for iron-carbon system occurs at a temperature of __________ °C.

959
1493
1147
723

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