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

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

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Chemical Engineering Basics
Compression ratio of an I.C. engine is the ratio of the

Clearance volume to the volume swept by piston per stroke
None of these
Volume of air in cylinder before compression to that after compression
Pressure after compression to that before compression

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Chemical Engineering Basics
Which of the following are made out of the carbon steel having carbon content of 0.9 to 1% ?

Forgings like can shaft, structural steel plate, threading dies and drawing dies
Mandrels, twist drills, small lathe tools and razors
Cutlery, screws, rivets and files
Small punches, broaches reamers and springs

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