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Chemical Engineering Basics

Chemical Engineering Basics
The most detrimental impurity in high pressure boiler feed water is

Dissolved salt
Turbidity
Suspended salt
Silica

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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.

Collar
Bell and Spigot
Expansion
Flanged

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Chemical Engineering Basics
Air refrigeration cycle is used in the air crafts, because of

Its high heat transfer rate
Low temperature encountered at high altitude
Its low unit weight per ton of refrigeration
Its higher co-efficient of performance (COP)

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

Belt conveyor
Diesel locomotive
Truck
Overhead hoists & cranes

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Chemical Engineering Basics
A 2 kg object weighs 1.8 kgf on a spring balance. The value of 'g' at that location in m/seC₂ is

8.82
10.88
9.81
0.95

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Chemical Engineering Basics
Transformation range for ferrous material is the temperature interval during which __________ is formed during its heating.

Austenite
Pearlite
Martensite
Cementite

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