Mechanical Drives 3 Advanced Gear Drives

A _________ gear is similar to a spur gear except that its teeth are cut at an angle to the gear’s axis. Pg 312

• Worm

• Miter

• Helical

• Bevel

A bevel gear with offset teeth is called a _____________ bevel gear.

• Plain

• Spiral

• Zerol

• Hypoid

The oil is drained from a speed reducer through its _______________.

• Output shaft

• Input shaft

• Bearing carrier

• Vent plug

A bevel gear with straight teeth is called a ____________ bevel gear Pg 312

• Hypoid

• Spiral

• Plain

• Zerol

Helical gears can be used in both parallel-axis and ___________ gear drive systems

• Right-angle

• Non-intersecting axis

• Any angle

• All of the answers are correct

When installing a parallel-axis helical gear drive system, you must position the shafts so there is little _______ in the gears Pg 306

• Misalignment

• Backlash

• Wear

• Overlap

The ________ is used to determine the output speed and torque of a work gear speed reducer.

• Gear gauge

• Gear ratio

• Pressure angle

• Helix angle

In the worm gear speed reducer, special bearings are needed to support the _______ created by the drive Pg 330

• Axial thrust

• Radial load

• Radial inertia

• High friction

When installing a right angle bevel gear drive system, because you have adjusted the mounting distance of the gears there is no need to adjust the ______ of the gears

• Overlap

• Mesh

• Backlash

• Lubrication

When installing a parallel-axis helical gear drive system, you must position the shafts so there is little ______________ in the gears.

• Misalignment

• Backlash

• Wear

• Overlap