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Which of these mechanisms gives an approximately straight line?

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+1 vote
in Machine Kinematics by (38.0k points)
Which of these mechanisms gives an approximately straight line?

(a) hart

(b) watt

(c) peaucellier

(d) tchebicheff

I got this question at a job interview.

I want to ask this question from Mechanisms with Lower Pairs in division Mechanisms with Lower Pairs of Machine Kinematics

1 Answer

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by (106k points)
Correct choice is (b) watt

The explanation is: Watt’s mechanism is a crossed four bar chain mechanism and was used by Watt for his early steam engines to guide the piston rod in a cylinder to have an approximate straight line motion.

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