Pick out the wrong statement.
A. Rivetting provides a permanent fastening method
B. The joint made by overlapping of one plate over the other, and then rivetting the two plates together with two rows of rivets is called 'double rivetted butt joint'
C. Shank diameter of the rivets should be less than the size of the hole drilled in the plate for rivetting
D. The efficiency of a rivetted joint is the ratio of the strength of the rivetted joint to the strength of the solid plate
Answer: Option B
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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