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Chemical Engineering Basics

Chemical Engineering Basics
Friction factor for fluid flow in pipe does not depend upon the

Pipe roughness
Pipe length
Fluid density & viscosity
Mass flow rate of fluid

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Chemical Engineering Basics
Which of the following contributes maximum as main source of sulphur in the blast furnace charge ?

Limestone
Sinter
Coke
Iron ore

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Chemical Engineering Basics
Volume of blast furnace slag is about __________ times the volume of hot metal (pig iron) of the same weight

1.5
3
5
7

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Chemical Engineering Basics
The ratio of thermal & electrical conductivity is same for all the metals at the same temperature ; and at around room temperature, this ratio is proportional to(where, T = absolute temperature, °K)

1/T
T²
1/T²
T

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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

0.95
9.81
8.82
10.88

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Chemical Engineering Basics
The stress at which a metal fails by fatigue lies

In the plastic range
Near the fracture point of the stress-strain curve
None of these
In the elastic range

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