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STEM Mechanical Systems - 7th Grade TEST REVIEW

Total questions: 12

Worksheet time: 10mins

Name
Class
Date
1.

What does it mean when gears are meshed?

a)

The teeth of the gears are interlocking

b)

They are stacked on each other

c)

They are connected with a chain

d)

They have holes in them

2.

What is the relationship between torque and speed?

a)

Torque its greater

b)

Same

c)

Inverse

d)

Speed is greater

3.

Draw a Chain Drive

4.

What is the purpose of a bevel gear?

a)

To increase speed

b)

Change derection of movement

c)

To increase torque

d)

To change the amount of torque

5.

Witch gear train provides more torque?

a)

A

b)

B

6.

Witch gear train provides more speed?

a)

A

b)

B

7.

What are two out of the four purposes of mechanisms?

a)

Change the direction of movement

b)

Change the area of movement

c)

Change the heigth of movement

d)

Change the speed of movement

8.

Fill in the blank


(a)   is the measure of the force that can cause an object to rotate about an axis.

9.

Witch of the four tipes of movement means : Back and forth in an arc?

a)

Rotary

b)

Oscillating

c)

Reciprocating

d)

Liner

10.

Witch of the four tipes of movement means : straight forward in one direction?

a)

Oscllating

b)

Reciprocating

c)

Torque

d)

Liner

11.

What is the simplifted ratio of 10:20 if 10 is imput and 20 is output?

(a)  

12.

What do you think is the best way to study for a test? (poll)

a)

online quiz

b)

go over the review

c)

just don't study

d)

other