Pick out the wrong statement
A. In a flanged and standard dished head, the crown radius is ≤ shell outside diameter
B. In a flanged and shallow dished head, the crown radius is > shell outside diameter
C. Flat head covers are most suitable for larger vessels operating at very high pressure
D. Flanged only head is a type of flat head in which gradual change in the shape at the centre results in reduced local stresses
Answer: Option C
This Question Belongs to Chemical Engineering >> Process Equipment And Plant Design
Width and depth of grooves in the tube sheet holes normally are __________ inch respectively.
A. $$\frac{1}{8}$$ and $$\frac{1}{{64}}$$
B. $$\frac{1}{{64}}$$ and $$\frac{1}{8}$$
C. $$\frac{1}{2}$$ and 8
D. $$\frac{1}{2}$$ and 5
A. Less than
B. 1.25-1.50 times
C. 2.5 times
D. One-fourth of
Value of Peclet number = 0, is the representative of
A. Laminar flow
B. Complete back mixing
C. Plug flow
D. Eddy diffusivity = 0
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