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Chemical Engineering Basics

Chemical Engineering Basics
Blast furnace slag is mainly molten

Calcium silicate
Iron pyrite
Magnesium silicate
Sand

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Chemical Engineering Basics
A psychrometer does not measure the __________ temperature of moist air.

Dry bulb
None of these
Wet bulb
Dew point

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Chemical Engineering Basics
The predominant mode of heat transfer which takes place from boiler furnace to water walls of a boiler is

Both A & B
Convection
Conduction
Radiation

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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

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

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

>100
About 373
About 273

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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

10.88
8.82
9.81
0.95

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