A load W produces an extension of 1mm in a thread of radius r. Now if – McqOptions

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1.	A load W produces an extension of 1mm in a thread of radius r. Now if the load is made 4W and radius is made 2r all other things remaining same, the extension will become [RPET 2000]
A.	4 mm
B.	16 mm
C.	1 mm
D.	0.25 mm
Answer» D. 0.25 mm

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