Related Questions

If the centre distance of the mating gears having involute teeth is increased, then the pressure angle
A increases
B decreases
C remains unchanged
D none of the mentioned
In a gear having involute teeth, the normal to the involute is a tangent to the
A pitch circle
B base circle
C addendum circle
D dedendum circle
In a gear, having Involute teeth, the normal to the Involute is a tangent to the
A Base circle
B Pitch circle
C Addendum circle
D Dedendum circle
The centre distance between two meshing involute gears is equal to
A sum of base circle radii/cosɸ
B difference of base circle radii/cosɸ
C sum of pitch circle radii/cosɸ
D difference of pitch circle radii/cosɸ
Which of the following statement is correct for involute gears?
A The interference is inherently absent
B The variation in centre distance of shafts increases radial force
C A convex flank is always in contact with concave flank
D The pressure angle is constant throughout the teeth engagement
Which one of the following is true for involute gears?
A Interference is inherently absent
B Variation in centre distance of shafts increases radial force
C A convex flank is always in contact with concave flank
D Pressure angle is constant throughout the teeth engagement
If the centre distance of the mating gears having involute teeth is varied within limits, the velocity ratio
A Increases
B Decreases
C Remains unchanged
D None of these
In worm gears, the pressure angle is __________ the angle between two inclined faces in axial plane.
A Half
B Twice
C Thrice
D None of these
which type of gears has point contact between two mating gears?
A helical gears
B spiral gears
C both (a) and (b)
D none of these
The other gears are the ............... gears which are those most used in normal driving.
A front
B onward
C abvance
D ahead

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