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Chemical Engineering Basics

Chemical Engineering Basics
The process of removal of scale formed during hot rolling of steel is termed as

Skimming
Pickling
Shot blasting
Descaling

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

Kerosene
Sodium stearate
Lime water
Water

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Chemical Engineering Basics
In age-hardenable alloys, maximum ductility is obtained

In as cast state
After overageing
After optimum ageing
Immediately after solution treatment and subsequent quenching

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

2000
1800
2400
3000

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Chemical Engineering Basics
A psychrometer does not measure the __________ temperature of moist air.

Dew point
None of these
Dry bulb
Wet bulb

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Chemical Engineering Basics
Out of the following, the most ductile material is

Copper
Aluminium
Mild steel
Nickel

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