Activity 1.6 "Time to Switch Gears"

Activity 1.6 "Time to Switch Gears"

7th Grade

18 Qs

quiz-placeholder

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Activity 1.6 "Time to Switch Gears"

Activity 1.6 "Time to Switch Gears"

Assessment

Quiz

Computers

7th Grade

Hard

Created by

Beverly Ross

Used 5+ times

FREE Resource

18 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the Gear Ratio ?

The number of teeth on the driving gear divided by the number of teeth on the driven gear

The diameter of the driving gear divided by the diameter of the driven gear

The number of rotations of the driving gear divided by the number of rotations of the driven gear

The speed of the driving gear in rpm divided by the speed of the driven gear in rpm

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

According to the learning material, if a gear turns 6,000 times in an hour, what is its rotational speed?

60 rpm

100 rpm

600 rpm

6,000 rpm

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the relationship between the size of the gears and the resulting output speed of the system, as mentioned in the PLTW GATEWAY NOTEBOOK section?

The output speed is always faster than the input speed

The output speed is always slower than the input speed

The output speed is always the same as the input speed

The output speed can be faster, slower, or the same as the input speed, depending on the size of the gears

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

what can the size of a gear be measured by?

Its diameter

Its weight

The number of teeth it has

The material it is made of

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the reduced gear ratio for the gear train with a gear ratio of 1:5 (12 teeth to 60 teeth)?

1:5

1:1

5:1

1:10

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the reduced gear ratio for the gear train with a gear ratio of 3:4 (36 teeth to 48 teeth)?

3:4

4:3

1:1

3:2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the reduced gear ratio for the gear train with a gear ratio of 4:3 (48 teeth to 36 teeth)?

4:3

3:4

1:1

4:1

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