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According to the law of gearing for constant velocity ratio of the two...

Q.  
According to the law of gearing for constant velocity ratio of the two mating bodies


Answer & Explanation

According to the law of gearing, the angular velocities of the two gears remain constant, the common normal at the point of contact of two tooth should always pass through a fixed point which divides the line of centers in the inverse ratio of angular velocities of two gears.

Thus correct option is: D.

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More Questions Theory of Machines:

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

A. Rsinφ

B. r.sinφ

C. Rcosφ

D. r.cosφ


Answer & Explanation

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

A. R.sinφ

B. r.sinφ

C. R.cosφ

D. r.cosφ


Answer & Explanation

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
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