Power transmission

To mesh each other, 2 gears must have the same

• number of teeth

• module

• speed

• diameter

In a gear meshing, a pinion is

• the largest wheel

• the driven wheel

• the smallest wheel

• the driving wheel

The gear meshing with an opposite input and output direction is

• 
• 
• 

The diameter of a 22 teeth wheel gear, module 2 mm is

• 24 mm

• 11 mm

• 20 mm

• 44 mm

The number of teeth of a 60 mm diameter wheel gear, module 1.5 mm is

• 20

• 40

• 60

• 90

A spur gear is

• 
• 
• 
• 

A spiral bevel gear is

• 
• 
• 
• 

A worm gear is

• 
• 
• 
• 

A crossed-helical gear is

• 
• 
• 
• 

An Oldham coupling is used when shafts have

• no misalignment

• axial misalignment

• angular misalignment

• radial misalignment