For n-tubes in a vertical column of the tube bank pattern, identify th – McqOptions

MCQOPTIONS

1.	For n-tubes in a vertical column of the tube bank pattern, identify the correct statement.(Where, D is the diameter of a single tube in the bank)
A.	D e = n D
B.	D e = n² D
C.	D e = (1/n) D
D.	D e = D
Answer» B. D e = n² D

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