WorksheetsGear System Quiz- from Youtube Video
Total questions: 10
Worksheet time: 5mins
What happens to torque when a smaller gear drives a larger gear?
Torque decreases
Torque increases
Torque remains the same
Torque becomes zero
In a gear system, if the driver gear has 20 teeth and the driven gear has 60 teeth, what is the mechanical advantage?
1:3
3:1
1:1
2:1
When torque increases in a gear system, what happens to rotational speed?
It increases proportionally
It decreases proportionally
It remains unchanged
It becomes zero
A motor with an output of 100 rpm is connected to a gear system with a 5:1 ratio. What is the output speed?
500 rpm
20 rpm
100 rpm
50 rpm
Which of the following best describes the relationship between gear size and rotational speed?
Larger gears always rotate faster
Smaller gears always rotate faster
The driven gear rotates faster if it's smaller than the driver gear
Gear size has no effect on rotational speed
If a motor produces 0.1 Nm of torque and is connected to a gear system with a 4:1 ratio, what is the output torque?
0.025 Nm
0.4 Nm
4 Nm
0.1 Nm
In a car's transmission, why are lower gears used when starting from a stop?
To increase speed
To decrease speed
To increase torque
To decrease torque
What is the primary purpose of using gears in mechanical systems?
To always increase speed
To always decrease speed
To modify the balance between speed and torque
To reduce energy consumption
If gear A has 30 teeth and gear B has 90 teeth, how many times will gear A rotate for one full rotation of gear B?
1 time
2 times
3 times
1/3 time
Which of the following statements about gears is true?
Gears can only increase torque
Gears can only increase speed
Gears always maintain the same power output
Gears can either increase torque or speed, but not both simultaneously
