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Process Equipment and Plant Design

Process Equipment and Plant Design
In the design of a paddle agitator, the ratio (paddle dia/tank dia) is normally taken as

0.5
0.1
0.25
0.8

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Process Equipment and Plant Design
Multiple blade paddle agitator is used for mixing high viscosity liquids/paste in which the paddle diameter is commonly 0.8 times the tank diameter. However, the width of the blade is in the range of __________ times the paddle diameter.

0.5 to 0.6
0.3 to 0.5
0.65 to 0.80
0.1 to 0.25

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Process Equipment and Plant Design
The ratio of the largest load in a test to the original cross-sectional area of the test specimen is called the __________ stress.

Yield point
None of these
Breaking
Ultimate

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Process Equipment and Plant Design
In case of a shell and tube heat exchanger, the minimum shell thickness for carbon steel (inclusive of corrosion allowance) depends on shell diameter and is in the range of __________ mm.

44183
44058
43962
43895

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Process Equipment and Plant Design
Slope of countercurrent flow rotary drier is in the range of __________ meter/metre.

0 to 0.08
0 to 0.8
0 to 2.2
0 to 1.5

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Process Equipment and Plant Design
Value of Peclet number = 0, is the representative of

Eddy diffusivity = 0
Plug flow
Complete back mixing
Laminar flow

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