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Small bow compass can draw circles less than _____ mm radius.

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Small bow compass can draw circles less than _____ mm radius.

(a) 25mm

(b) 30mm

(c) 35mm

(d) 40mm

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This intriguing question comes from Drawing Tools and their Uses topic in portion Drawing Instruments, Sheet Layout & Free-Hand Sketching of Engineering Drawing

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Correct choice is (a) 25mm

The explanation is: A normal Small bow compass is capable of drawing circles less than the 25mm radius. This is because of the arrangement of a screw in between the legs of the compass. But any other normal compass can’t give us perfect circles whose radius is less than 25mm.

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