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Mechanical Engineering - Theory of machines - Discussion

Discussion Forum : Theory of machines - Section 7 (Q.No. 34)
Theory of machines
34.
Which of the following statement is correct?
For constant velocity ratio transmission between two gears, the common normal at the point of contact must always pass through a fixed point on the line joining the centres of rotation of gears.
For involute gears, the pressure angle changes with the change in centre distance between gears.
The epicyclic gear trains involve rotation of atleast one gear axis about some other gear axis.
all of the above
Answer: Option
Explanation:
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Discussion:
1 comments Page 1 of 1.
Piyush said:   8 years ago
For involute gears the pressure angle remains constant throughout the motion.
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