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Worksheets

pltw quiz

Total questions: 19

Worksheet time: 10mins

Name
Class
Date
1.

What is a drive gear?

a)

A gear used in a car

b)

The output gear in a gear train

c)

A type of wheel

d)

A type of gear train

2.

Mechanism

a)

A part of a machine which contains 2 or more pieces arranged so that the motion of one compels the motion of the other

b)

Any man-made object that can accomplish tasks

c)

Any machine made of metal

d)

Anything with 2 or more gears in it

3.

A push or pull in a straight line

a)

Drive

b)

Torque

c)

Force

d)

Motion

4.

A toothed wheel that works with others to alter the relation between the speed of an engine and the speed of the driven parts

a)

Clockwork

b)

Mechanism

c)

Tire

d)

Gear

5.

Something added to a system, such as resources, in order to achieve a result.

a)

Fuel

b)

Input

c)

Output

d)

Innovation

6.

A term used to describe the proper engagement of teeth between 2 or more gears in a gear train

a)

Input

b)

Circular motion

c)

Opposing force

d)

Meshing

7.

A back and forth movement in a straight line.

a)

Reciprocating

b)

Torque

c)

Switching force

d)

Output

8.

The member of a pair of gears to which motion and power are transmitted by the other gear. The output gear.

a)

Driven Gear

b)

Ending gear

c)

Output

d)

Idler gear

9.

The capacity to do work

a)

Energy

b)

Input

c)

motivation

d)

size

10.

The input handle can be turned in both directions for at least one full turn

a)

Rotarible

b)

Turnable

c)

Direction of travel

d)

Operating

11.

the results of an operation of any system

a)

outcome

b)

output

c)

purpose

d)
12.

the application of force that moves an object a certain distance

a)

movement

b)

work

c)

torque

d)

oscillation

13.

Opposite in position, direction, order or effect

a)

reversed

b)

mirror

c)

flipped

d)

inverse

14.

Ratio

a)

An insult

b)

When a reply to a comment recieves more likes than the comment it was replying to

c)

The quantitative relation between two amounts showing the number of times one value contains or is contained within the other

d)

A fraction

15.

A swing back and forth in an arc at a regular rate

a)

Oscillating

b)

Orientating

c)

Rotary

d)

Crescent

16.

Circular movement

a)

Oscillation

b)

Torque

c)

Clockwise

d)

Rotary

17.

The ratio of the speed of the driving member of a gear train to that of the driven member.

a)

Rate

b)

gear ratio

c)

movement

d)

gear drive

18.

if you can make the input shaft turn by turning the output shaft the flow of power is reversible. if the input shaft does not turn or only turns part of the way, the power is non-reversible.

a)

Flow of power

b)

Output

c)

Inverse operations

d)

Reversibility

19.

A gear between the driver and the driven gear used to change rotational direction.

a)

Idle Gear

b)

Middle gear

c)

Idler gear

d)

useless