Gears (Leaving Cert Engineering): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What are gears?
What are gears?
Rotating parts with teeth that mesh
What is the primary purpose of gears in motorised equipment?
What is the primary purpose of gears in motorised equipment?
To provide gear reduction
What happens to torque as rotational speed decreases through gear reduction?
What happens to torque as rotational speed decreases through gear reduction?
Torque increases proportionally
What is the most common application of gears?
What is the most common application of gears?
Speed reduction and torque increase
By what angle can gears redirect rotational motion?
By what angle can gears redirect rotational motion?
90 degrees or other angles
In an electric screwdriver, what do gears convert?
In an electric screwdriver, what do gears convert?
Fast, weak rotation to slow, powerful rotation
What do gears in a car differential achieve?
What do gears in a car differential achieve?
Turn power 90 degrees to drive wheels
What does gear ratio represent?
What does gear ratio represent?
Relationship between teeth numbers
How does a larger gear behave compared to a smaller meshing gear?
How does a larger gear behave compared to a smaller meshing gear?
Rotates slower with greater torque
What is another name for spur gears?
What is another name for spur gears?
Straight-cut gears
How are the teeth oriented on spur gears?
How are the teeth oriented on spur gears?
Straight, parallel to axis
How must spur gears be mounted to mesh properly?
How must spur gears be mounted to mesh properly?
On parallel shafts