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Chemical Engineering Basics

Chemical Engineering Basics
__________ is the most suitable lubricant for drawing mild steel wires?

Lime water
Water
Kerosene
Sodium stearate

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

Vicker's
Shore sceleroscope
Knoop
Rockwell F

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Chemical Engineering Basics
Thermal efficiency of an internal combustion engine is around __________ percent.

8
80
35
65

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Chemical Engineering Basics
__________ joint is usually used for joining cast iron pipes mostly used for temporary pipelines, where it may be necessary to dismantle & reassemble the pipeline very frequently.

Expansion
Collar
Bell and Spigot
Flanged

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Chemical Engineering Basics
__________ is not a heat treatment process.

Martempering
Cyaniding
Pakerising
Austempering

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Chemical Engineering Basics
Speed of a submarine in deep sea & that of an aeroplane is measured by a/an

Rotameter
Stroboscope
Pitot tube
Hot wire anemometer

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