Gears, Pulleys, Sprockets Review

If the small gear is driving the large gear, what is happening to the torque?

• Increase
• Decrease
• Remains constant
• Not enough information

True or false; both speed and torque can increase at the same time.

• true
• false
• not enough information

Looking at the picture, what is the gear ratio?

• 4:24
• 1:6
• 2:12
• 1:9

Examine the image of the gear combination and determine the end ratio.  Express this ratio as a single number. 
Gears = 36T and 60T

• 1.67
• 2160
• 0.6
• 90

Examine the image of the gear combination and determine the end ratio.  Express this ratio as a single number. 
Gears shown = 60T, 24T , 60T

• 1
• 144
• 2.5
• 1440

What is the function of the smaller gear?

• Makes the output gear turn slower
• Makes the output gear turn faster
• Makes the larger gears turn in opposite directions.
• Makes the larger gears turn in the same direction.

When gears are equal in size, what is the gear ratio?

• 1:2
• 1:3
• 2:5
• 1:1

Speed and torque have a(n) _________ relationship.

• Parallel
• Inverse 
• Identical
• Mirror

Chain drives will utilize .... 

• Spur gears
• Sprockets
• Worm Gears
• Idler Gears

Chain drive gears turn in the __________ direction.

• Opposite
• Same
• Oscilating
• Linear