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If R and r are the radius of pitch circles and φ is...

Q.  
If R and r are the radius of pitch circles and φ is the pressure angle, then maximum value of path of recess is


Answer & Explanation

Answer :   Option: A


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More Questions Theory of Machines:

Q.  
Which types of tooth profiles of gears satisfy the law of gearing?

A. Cycloidal teeth

B. Involute teeth

C. Both a and b

D. None of the above


Answer & Explanation

Q.  
The interference will not occur if

A. Dedendum of gear is greater than that of gear

B. Dedendum of pinion is greater than that of pinion

C. Addendum of gear is greater than that of pinion

D. Addendum of pinion is greater than that of gear


Answer & Explanation

Q.  
An involute pinion and gear are in mesh if both have the same size of addendum then there will be inference between

A. The tip of gear wheel tooth and flank of pinion

B. The tip of teeth of the gear and pinion both

C. The flanks of gear and pinion both

D. All of the above


Answer & Explanation

Q.  
To make a worm drive reversible, it is necessary to increase

A. Center distance

B. Worm diameter factor

C. Number of starts

D. Reduction ratio


Answer & Explanation
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