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When two spur gears having involute profiles on their teeth engagement, the line...

Q.  
When two spur gears having involute profiles on their teeth engagement, the line of action is tangential to the


Answer & Explanation

For gears with involute profile, line of action is tangential to the base circles of the gears

Thus correct option is: D.

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More Questions Theory of Machines:

Q.  
Certain minimum number of teeth on the involute pinion is necessary in order to

A. Provide an economical design

B. Avoid interference

C. Reduce noise in operation

D. Overcome fatigue failure of the teeth


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Q.  
External gear with 60 teeth meshes with a pinion of 20 teeth, module being 6 mm. What is the center distance in mm?

A. 120

B. 180

C. 240

D. 300


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The number of degrees of freedom of an epicylcic gear train is

A. Zero

B. One

C. Two

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Which of the following is the higher pair?

A. Belt and pulley

B. Turning pair

C. Screw pair

D. Sliding pair


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