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Which of the following instruments is used to draw ellipses?

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+1 vote
in Machine Kinematics by (38.0k points)
Which of the following instruments is used to draw ellipses?

(a) Elliptical trammels

(b) Slotted lever and crank

(c) Gnome engine

(d) Oldham’s coupling

I got this question in semester exam.

I would like to ask this question from Double Slider Crank Chain & its Inversions topic in division Simple Mechanisms of Machine Kinematics

1 Answer

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by (106k points)
Right option is (a) Elliptical trammels

The best explanation: Elliptical trammel is an instrument which is an inversion of a double slider crank chain. It is mainly used to draw ellipses.

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