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WorksheetsGear ratios Test
Total questions: 13
Worksheet time: 1hrs 20mins
A gear ratio is defined as which of the following?
Teeth of output gear : teeth of input gear
output gear shape : input gear shape
output Speed : output torque
What is the function of the smaller or "idler" 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.
35 : 14
When a input gear is smaller than a output gear you have.....
Increased Speed
Decreased speed
What's the ratio?
1:1
7 : 5
5 : 7
What do we call the gear connected to the input power source, such as a motor?
Driven Gear
Bigger Gear
Smaller Gear
Driving Gear
Gears locked together on the same shaft will always turn in the same _______ and at the same rpm.
speed
torque
direction
momentum
What is the gear ratio of a gear train with an input (Driving) gear of 48 teeth and an output (Driven) gear with 12 teeth?
1:4
1:3
4:1
3:1
# of teeth input gear = 25
# of teeth output gear = 75
What is the gear ratio (in lowest terms)?
3:1
2:1
3:4
What does a 1:6 gear ratio mean?
It means the input gear has to turn 1 time to turn the output gear 6 times.
It means the output gear has to turn 1 time to turn the input gear 6 times.
