2.6 The sanding-drum mandrel shown in Fig. P2.6 is made for use with a hand drill. The mandrel is made from a rubber-like material that expands when the nut is tightened to secure the sanding sleeve placed over the outside surface. If the diameter D of the mandrel increases from 2.00 in. to 2.15 in. as the nut is tightened, determine (a) the average normal strain along a diameter of the mandrel. (b) the circumferential strain at the outside surface of the mandrel. Sanding sleeve Fig. P2.6 Mandrel

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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2.6 The sanding-drum mandrel shown in Fig.
P2.6 is made for use with a hand drill. The
mandrel is made from a rubber-like material that
expands when the nut is tightened to secure the
sanding sleeve placed over the outside surface. If
the diameter D of the mandrel increases from 2.00
in. to 2.15 in. as the nut is tightened, determine
(a) the average normal strain along a diameter of
the mandrel.
(b) the circumferential strain at the outside surface
of the mandrel.
Sanding sleeve
Fig. P2.6
Mandrel
Transcribed Image Text:2.6 The sanding-drum mandrel shown in Fig. P2.6 is made for use with a hand drill. The mandrel is made from a rubber-like material that expands when the nut is tightened to secure the sanding sleeve placed over the outside surface. If the diameter D of the mandrel increases from 2.00 in. to 2.15 in. as the nut is tightened, determine (a) the average normal strain along a diameter of the mandrel. (b) the circumferential strain at the outside surface of the mandrel. Sanding sleeve Fig. P2.6 Mandrel
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