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In a flange coupling, the flanges are coupled together by means of

A. bolts and nuts
B. studs
C. headless taper bolts
D. none of these

Option A

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The toughness of a material __________ when it is heated. A. increases B. decreases C. does not change	In radial cams, the follower moves A. in a direction perpendicular to the cam axis B. in a direction parallel to the cam axis C. in any direction irrespective of cam axis D. along the cam axis