Pulleys and belts (AQA GCSE Design and Technology): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What do pulleys and belts transfer from one shaft to another?
What do pulleys and belts transfer from one shaft to another?
Rotary motion
What causes the second pulley to rotate in a pulley system?
What causes the second pulley to rotate in a pulley system?
Friction between belt and groove
Which pulley receives power from a motor or power source?
Which pulley receives power from a motor or power source?
Driver pulley wheel
Which pulley receives the transferred motion and powers other machine parts?
Which pulley receives the transferred motion and powers other machine parts?
Driven pulley wheel
Which belt type can be crossed to change rotation direction?
Which belt type can be crossed to change rotation direction?
Round and flat belts
What is the main advantage of V-belts?
What is the main advantage of V-belts?
Reduces slippage
When do flat belts offer excellent grip?
When do flat belts offer excellent grip?
At high speeds
What unique feature do toothed belts have?
What unique feature do toothed belts have?
Eliminate slippage entirely
What is the formula for velocity ratio?
What is the formula for velocity ratio?
Driven diameter ÷ Driver diameter
What happens when the velocity ratio is less than 1?
What happens when the velocity ratio is less than 1?
Speed increases
Driver 60mm, driven 20mm, input 900 RPM. What is the output speed?
Driver 60mm, driven 20mm, input 900 RPM. What is the output speed?
2700 RPM
What happens to rotation direction when a belt is crossed?
What happens to rotation direction when a belt is crossed?
Direction reverses