Width and depth of grooves in the tube sheet holes normally are ______ – McqOptions

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1.	Width and depth of grooves in the tube sheet holes normally are _______________ inch respectively?
A.	1/8 and 1/64
B.	1/64 and 1/8
C.	1/2 and 8
D.	1/2 and 5
Answer» B. 1/64 and 1/8

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