For permissible shear stress fs, the torque transmitted by a thin tube of mean diameter D and wall thickness t, is

For permissible shear stress fs, the torque transmitted by a thin tube

1.	For permissible shear stress fs, the torque transmitted by a thin tube of mean diameter D and wall thickness t, is
A.	A
B.	B
C.	C
D.	D
Answer» B. B

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For permissible shear stress fs, the torque transmitted by a thin tube of mean diameter D and wall thickness t, is

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