

MCQOPTIONS
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1. |
A Spring is made of wire whose cross-section is an equilateral triangle of 8 mm side. Inner diameter of spring is 40 mm then outer diameter will be _________ |
A. | 57.88 mm |
B. | 54.88 mm |
C. | 60 mm |
D. | 56 mm |
Answer» B. 54.88 mm | |