Related Questions

While cutting helical gears on a non-differential gear hobber, the feed change gear ratio is
A Independent of index change gear ratio
B Dependent on speed change gear ratio
C Interrelated to index change gear ratio
D Independent of speed and index change gear ratio
Two advantages of using helical gears rather than spur gears in a transmission system are
A Strength and cost
B Strength and less end thrust
C Noise level and strength
D Noise level and economy
The other gears are the ............... gears which are those most used in normal driving.
A front
B onward
C abvance
D ahead
In helical gears, the distance between similar faces of adjacent teeth along a helix on the pitch cylinders normal to the teeth, is called
A normal pitch
B axial pitch
C diametral pitch
D module
The helix angle for single helical gears ranges from
A 10° to 15°
B 15° to 20°
C 20° to 35°
D 35° to 50°
The helix angle for double helical gears may be made up to
A 45°
B 60°
C 75°
D 90°
In helical gears, the distance parallel to the axis, between similar faces of adjacent teeth, is called
A Normal pitch
B Axial pitch
C Diametral pitch
D Module
Which type of gear train is used in clock mechanism to join hour hand and minute hand?
A Simple gear train
B Compound gear train
C Reverted gear train
D Epicyclic gear train
The form factor of a helical gear __________ with the increase in the helix angle.
A Increases
B Decreases
C Remains constant
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

Next steps