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Chemical Engineering Basics

Chemical Engineering Basics
__________ is the hardest oxide and is hence used where high wear resistance at high temperature is required.

Beryllia
Alumina
Magnesia
Zirconia

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Chemical Engineering Basics
Nusselt number is related to Grashoff number (Gr) in turbulent & laminar flow respectively, in respect of free convection over a vertical flat plate as

Gr, Gr0.25
Gr0.33, Gr0.25
Gr0.25, Gr
Gr0.25, Gr0.33

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Chemical Engineering Basics
__________ of hard alloy and tool steel is done to make it easily machinable.

Tempering
Case carburising
Normalising
Annealing

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Chemical Engineering Basics
Unit of viscosity in CGS system is

Gm . cm² . sec⁻²
Gm . cm . sec⁻¹
Gm .cm⁻², sec⁻¹
Gm .cm⁻¹ sec⁻¹

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Chemical Engineering Basics
Which of the following is not used as a fuel in rocket propellaht ?

Kerosene oil
Liquid hydrogen
Liquid oxygen
Liquid hydrazine

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

Pearlite
Martensite
Austenite
Cementite

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MORE MCQ ON Chemical Engineering Basics

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