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Chemical Engineering Basics

Chemical Engineering Basics
Lead is poured into the joints between two __________ pipes.

Steel
Concrete
Plastic
Cast iron

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Chemical Engineering Basics
Factor of safety is the ratio of the __________ stress to the working stress.

Compressive
Bearing
Yield
Tensile

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Chemical Engineering Basics
The main function of the deaerator used in the thermal power plant is to

Throttle down the steam pressure
Remove non-condensable gases from condenser
Remove dissolved gases from feed-water
Enhance feed water temperature

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

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Chemical Engineering Basics
Kinematic viscosity of water as compared to that of air is

Same
More
15% more
15% less

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Chemical Engineering Basics
Out of the following, the joint produced by __________ has the lowest strength.

Rivetting
Soldering
Welding
Brazing

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