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Understanding Gears and Gearboxes

Authored by Matt Schwieterman

Other

9th Grade

Used 28+ times

Understanding Gears and Gearboxes
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15 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the gear ratio of the pancake strain wave gear mentioned in the introduction?

160 to 1

100 to 1

200 to 1

150 to 1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the power rating on a motor indicate?

The efficiency of the motor

The work the motor can perform and its speed

The speed of the motor

The noise level of the motor

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is torque a combination of, according to the video?

Energy and lever length

Force and distance from the center of rotation

Power and rotational speed

Speed and force

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the effect of increasing the size of bricks in the example given?

Decreases the number of trips made by kids

Increases the speed of moving bricks

Reduces the overall work done

None of the above

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do gears and pulleys help in mechanical systems?

They reduce the noise in the system

They allow trading off force against speed

They decrease both force and speed

They only increase the speed

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary purpose of using a worm drive in gear systems?

To handle heavy loads with high torque

To change the direction of rotation

To increase speed

To reduce noise

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What factor can increase the noise in a gear system?

Higher precision

Lower torque

Higher RPM

Smaller size

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