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Chemical Engineering Basics

Chemical Engineering Basics
Eutectic reaction for iron-carbon system occurs at a temperature of __________ °C.

723
959
1493
1147

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Chemical Engineering Basics
Super conduction in metals is observed at a temperature of __________ °K.

About 273
>100
About 373

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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
Grain hardness is measured by the __________ hardness testing method.

Shore sceleroscope
Knoop
Rockwell F
Vicker's

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Chemical Engineering Basics
Dies for wire drawing are generally made of

Mild steel
Stainless steel
Carbides
High carbon steel

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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
8.82
10.88
9.81

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