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Chemical Engineering Basics

Chemical Engineering Basics
Pipelines carrying various utilities in chemical industries are identified by their colour codes. The color of pipeline carrying steam is

Yellow
Silver grey
Black
Green

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Chemical Engineering Basics
Creep consideration is the most important in case of the

Cycle chains
Blades of gas turbines
Steam engine flywheel
Cast iron pipes

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Chemical Engineering Basics
Which of the following is not used as a fuel in rocket propellaht ?

Liquid hydrogen
Liquid oxygen
Kerosene oil
Liquid hydrazine

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Chemical Engineering Basics
Which of the following is an example of cathodic protection of metals against corrosion ?

Galvanised iron
Case hardened steel
Painted steel
Lead lined reactor

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

70
50
25
80

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Chemical Engineering Basics
'Flare tower' used in industry is meant for

Cooling of furnace exhaust gases
Absorbing the pollutant gases from the furnace exhaust
Venting off (after burning) the excess inflammable/toxic gases at high pressure
None of these

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