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AR Year Review

Total questions: 50

Worksheet time: 50mins

Name
Class
Date
1.

Machines are similar to ___________________ in that they're designed to imitate human actions.

a)

Inventions

b)

Theater puppets

c)

Insects

d)

Computers

2.

____________ involves a mechanical device that can imitate the actions of people or animals.

a)

Automation

b)

Robotics

c)

Robot

d)

Automobile

3.

_________________ involves the design, construction, and operation of a robot.

a)

Robotics

b)

Automation

c)

Assembly line

d)

Manufacturing

4.

A ______________ is a machine that performs complicated tasks and is guided by automatic controls.

a)

Robot

b)

Cyborg

c)

Tank

d)

TV

5.

The 1st generation robots performed simple tasks or factory work that were _____________________ for people.

a)

Dangerous or unpleasant

b)

Destined

c)

Unfit

d)

Cumbersome or inconvenient

6.

2nd generation robots perform more complex tasks and ____________________________.

a)

simulate human functions

b)

mass production

c)

automated functions

d)

became sentient

7.

Robots can be used for...

a)

Precision work

b)

Exploration

c)

Repetitive or dangerous work

d)

All of the above

8.

Medical robots perform which of the following tasks?

a)

Dispensing medication

b)

Competitive robotics

c)

Assistive surgery

d)

Assembly line construction

9.

An example of 'today's robots' could be _____________________.

a)

Exploratory

b)

Household

c)

Medical

d)

Sensory

10.
What is this VEX Robot part?
a)
Spur Gear
b)
Rack and Pinion
c)
Sprocket Gear
d)
Vex Cortex
11.
What is this VEX Robot part?
a)
Bump Switch
b)
Wheel
c)
Sprocket Gear
d)
Axel
12.
What is this VEX Robot part?
a)
Spur Gear
b)
Wheel
c)
Sprocket Gear
d)
Bevel Gear
13.
What is this VEX Robot part?
a)
Spur Gear
b)
Axel
c)
Sprocket Gear
d)
Bearing Plate
14.
What is this VEX Robot part?
a)
Bearing Plate
b)
Collar Shaft
c)
Cortex
d)
Spur Gear
15.
What is this VEX Robot part?
a)
Allen Wrench
b)
Spur Gear
c)
Vex Collar Shaft
d)
Axel
16.
What is this VEX Robot part?
a)
Vex Cortex
b)
Vex Axel
c)
Vex Collar Shaft
d)
Vex " C " Channel
17.
What is this VEX Robot part?
a)
Vex Sprocket Gear
b)
Vex Motor Controller
c)
Vex Spur Gear
d)
Vex Worm Gear
18.
What is this VEX Robot part?
a)
Spur Gear
b)
Wheel
c)
Sprocket Gear
d)
Axel
19.
What is this VEX Robot part?
a)
Vex Bump Switch
b)
Vex Limit Switch
c)
Vex Cortex
d)
Vex Spur Gear
20.
What is this VEX Robot part?
a)
Vex Wheel
b)
Vex Spacer
c)
Vex Collar Shaft
d)
Vex Spur Gear
21.
What is this VEX Robot part?
a)
Vex Cortex
b)
Vex Wrench
c)
Vex Allen Wrench
d)
Vex Spur Gear
22.

The worm and wheel increases

a)

torque

b)

speed

c)

nothing

d)

rotation

23.

The worm and wheel reverses direction

a)

True

b)

False

24.

What type of motion does the worm and wheel use

a)

linear

b)

oscillating

c)

reciprocating

d)

rotary

25.

What is the name of this special gear/part?

a)

Bevel Gear

b)

Cam (of cam and follower)

c)

Follower (of cam and follower)

d)

Pinion (of rack and pinion)

e)

Rack (of rack and pinion)

26.

What is the name of this special gear/part?

a)

Bevel Gear

b)

Cam (of cam and follower)

c)

Follower (of cam and follower)

d)

Pinion (of rack and pinion)

e)

Rack (of rack and pinion)

27.

What is the name of this special gear/part?

a)

Bevel Gear

b)

Cam (of cam and follower)

c)

Follower (of cam and follower)

d)

Pinion (of rack and pinion)

e)

Rack (of rack and pinion)

28.

What is the name of this special gear/part?

a)

Bevel Gear

b)

Cam (of cam and follower)

c)

Follower (of cam and follower)

d)

Pinion (of rack and pinion)

e)

Rack (of rack and pinion)

29.

What is the name of this special gear/part?

a)

Bevel Gear

b)

Cam (of cam and follower)

c)

Follower (of cam and follower)

d)

Pinion (of rack and pinion)

e)

Rack (of rack and pinion)

30.

What type of gear is this?

a)

Bevel Gear

b)

Sprocket

c)

Spur Gear (not an idler)

d)

Idler Gear (also spur gear)

e)

Pulley

31.

What type of gear is this?

a)

Bevel Gear

b)

Sprocket

c)

Spur Gear (not an idler)

d)

Idler Gear (also spur gear)

e)

Pulley

32.

What is the name of this special gear/part?

a)

Bevel Gear

b)

Cam (of cam and follower)

c)

Follower (of cam and follower)

d)

Wheel (of worm and wheel)

e)

Worm (of worm and wheel)

33.

What is the name of this special gear/part?

a)

Bevel Gear

b)

Cam (of cam and follower)

c)

Follower (of cam and follower)

d)

Wheel (of worm and wheel)

e)

Worm (of worm and wheel)

34.

A force in a circular direction is called

a)

rotary motion.

b)

torque.

35.
A comparison of the number of teeth of one gear to another.
a)
gear total
b)
gear purpose
c)
gear ratio 
36.
Movement in a circular motion
a)
Rotary 
b)
Oscillating
c)
Linear
d)
Reciprocating
37.
Movement along an arched path; back and forth
a)
rotary
b)
oscillating
c)
reciprocating
d)
linear
38.
The gear train in which diagram provides more torque?
a)
A
b)
B
39.

Which gear train would you use to apply the force necessary to ride up a hill?

a)

A

b)

B

40.
What happens to speed
when you increase torque?
a)
Speed Increases
b)
Speed decreases
c)
Speed stays the same
41.
The input gear has 6 teeth.
The output gear has 48 teeth.  The gear ratio is...
a)
1:8
b)
8:1
c)
6:48
42.

What is the BEST explanation for a gear train with a 7:1 gear ratio?

a)

The drive gear turns 1 time for every 7 turns of the driven gear.

b)

The driven gear turns 7 times for 1 turn of the drive gear.

c)

The gear goes fast!

43.
When gears are equal in size, what is the gear ratio?
a)
1:2
b)
1:3
c)
2:5
d)
1:1
44.

If the small gear is driving the large gear, what is happening to the torque?

a)

Torque is increasing

b)

Torque is decreasing

c)

Torque remains constant

d)

Not enough information to answer the question

45.
If torque increases, speed ___________.
a)
Increases
b)
Decreases
c)
Remains Constant
46.
What is the gear ratio of these meshed gears if the input gear has 36 teeth?
a)
36:60
b)
60:36
c)
3:5
d)
5:3
47.

What is this called?

a)

Line Follower

b)

Motor Controller

c)

Bumper Switch

d)

Limit Switch

48.

What is this called?

a)

Line Follower

b)

LED Light

c)

Bumper Switch

d)

VEX 393 Motor

49.
In a simple gear train with idler, which of the following statements is true?
a)
The driven gear is also referred to as the output.
b)
The middle gear is also referred to as the driving gear.
c)
The driving gear is also referred to as the output.
d)
The output gear is where the movement starts.
50.
Your group wants to program a motor to drive forward for 2 seconds, stop for 1 second and then drive in the opposite direction for 4 seconds and stop. You create the following code. Will this code execute as you intended?
a)
No, they should change the first DRIVE block to “reverse”.
b)
Yes, this programming code meets all the requirements.
c)
No, they should change the first WAIT block to “1” second.
d)
Yes, but they should change the last DRIVE block to “2” seconds.