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If two gears of module m but different number of teeth T and...

Q.  
If two gears of module m but different number of teeth T and t are mating, then the central distance between these two gears will be given by


Answer & Explanation

Answer :   Option: B


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More Questions Theory of Machines:

Q.  
Pressure angle is defined as the angle between

A. Pressure line and common tangent to pitch circles

B. Pressure line and common tangent to base circles

C. Pressure line and center-line joining the pitch circles

D. None of the above


Answer & Explanation

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

A. 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 ratio of angular velocities of two gears

B. The common tangent at the point of contact of two tooth should always pass through a fixed point which divides the line of centers in the ratio of angular velocities of two gears

C. The common tangent 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

D. 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


Answer & Explanation

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
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