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Chemical Engineering Basics

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

Shore sceleroscope
Knoop
Rockwell F
Vicker's

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Chemical Engineering Basics
The most important material handling system in an integrated steel plant is the

Diesel locomotive
Belt conveyor
Overhead hoists & cranes
Truck

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Chemical Engineering Basics
Shaft/rotor speed is most accurately measured by a

Speedometer
Frequency counter
Tachometer
Strobometer

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Chemical Engineering Basics
The phenomenon of strain-ageing is generally experienced with

High manganese steel
Low carbon steel
High carbon steel
Cast iron

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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.

1800
2400
3000
2000

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Chemical Engineering Basics
In "Imperial Smelting Process" for extraction of zinc, zinc vapour thus produced is quenched in the external condenser by the use of the following :

Blast of air
Mixture of water and air
Rain of molten lead
Jet of water at high pressure

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