Gears (Leaving Cert Engineering): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
ShowHide
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 does the gear system convert?
In an electric screwdriver, what does the gear system convert?
Fast weak rotation to slow powerful one
What do ring and pinion gears do in a car differential?
What do ring and pinion gears do in a car differential?
Redirect power 90 degrees
What is gear ratio?
What is gear ratio?
Relationship between teeth on gears
How does a larger gear rotate compared to a smaller meshing gear?
How does a larger gear rotate compared to a smaller meshing gear?
More slowly but with greater torque
How does a smaller gear rotate compared to a larger meshing gear?
How does a smaller gear rotate compared to a larger meshing gear?
Faster but with less torque
What is another name for spur gears?
What is another name for spur gears?
Straight-cut gears
How must spur gears be mounted to mesh properly?
How must spur gears be mounted to mesh properly?
On parallel shafts