WorksheetsP82 Invention and Robotics Club
Total questions: 15
Worksheet time: 15mins
Which of the folllowing is correct?
Spur gear and bevel gear are the same
Spur gear is connected perpendicularly (90 degrees)
Bevel gear is connected perpendicularly (90 degrees)
Bevel Gear is connected in one line
24 teeth crown gear is weak and inconvenient.
True
False
The gear that connected with a motor is a driver gear.
True
False
Which of the following is gearing up?
Large → Small
Small → Large
There is a helical gear in Lego.
False
True
A double bevel gear can be rotated in any direction. (Diagram is an example)
True
False
Driver, Idler and Follower gear have 60, 40 and 20 teeth respectively. What is the ratio of the gear.
3:2
1:2
3:1
2:1
Which gear or mechanism is the best option to gear down?
16 teeth spur gear
40 teeth spur gear
24 teeth spur gear
worm gear
Is differential gear suitable to used on a four wheeled cars?
No
Yes
Can Lego 12 teeth bevel gear use in Lego chain?
Yes
No
Which gear can preventing it from being damaged.
40 teeth spur gear
Worm Gear
Knob Wheel
Clutch gear
What are the CONS of gearing up.
Vulnerable
Strong
Fast
Slow
Worm gears are use to gearing up.
False
True
Which gear has the highest torque (Strength).
Clutch gear
Knob Wheel
40 teeth spur gear
24 teeth spur gear
What is the combination of the gear with the ratio of 1:3:5?
8
16
24
40
