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If pitch circle diameter of a gear is d and there are total...

Q.  
If pitch circle diameter of a gear is d and there are total T teeth in the gear, then circular pitch of the gear is defined as


Answer & Explanation

Answer :   Option: B


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More Questions Theory of Machines:

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

A. (T+t)/2m

B. T(T+t)/2π

C. M(T+t)/2

D. M (T+t)/2π


Answer & Explanation

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
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