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Chemical Engineering Basics

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

Sodium stearate
Lime water
Kerosene
Water

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Chemical Engineering Basics
The best criterion for analysing an economic investment is the

Future value method
Present value method
Rate of return criterion
Salvage value

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Chemical Engineering Basics
Out of the following, the dimensionless quantity is

Viscosity
Mach number
Specific weight
Density

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Chemical Engineering Basics
Which of the following is a boiler accessory i.e., not a boiler mounting ?

Feed water pump
Feed check valve
Blow off cock
Stop valve

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Chemical Engineering Basics
Carbon is present in the form of __________ in grey cast iron.

Spheroids
Flakes
Nodular aggregates of graphite
Cementite

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Chemical Engineering Basics
Milligram of KOH required to saponify 1 gm of oil is called its __________ number.

Saponification
Acid
Emulsion
Precipitation

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