Download Electricity in Agriculture Unit Test

Electricity in Agriculture Unit Test
Agriculture II
Name: __________________________________________
Date: _________________________
Choose the correct answer for each question.
1. Electricity is based on the movement of _______________________ between metals
a.
b.
c.
d.
Protons
Neutrons
Electrons
Quarks
2. Electricity can produce:
a.
b.
c.
d.
e.
Light
Heat
Magnetism
All of the Above
None of the Above
3. Which unit measures the rate of flow of electrical current
a.
b.
c.
d.
Volt
Ampere
Ohms
None of the Above
4. A material that provides resistance to the flow of electricity is known as a:
a.
b.
c.
d.
Conductor
Cable
Insulator
Wire
5. A measure of electrical pressure is known as:
a.
b.
c.
d.
Amperes
Resistance
Ohms
Volts
6. Current that flows in a continuous direction is known as
a.
b.
c.
d.
Alternating Current
Straight Current
Direct Current
Flowing Current
7. Watts is calculated as
a.
b.
c.
d.
e.
Volts X Resistance
Amperes X Resistance
Volts X Amperes
Resistance X Kilowatt
None of the Above
8. Which wire color(s) is considered “hot”
a.
b.
c.
d.
e.
Black
Red
Green
White
A and B
9. Which current travels in one direction, then travels in the other in regular cycles
a.
b.
c.
d.
Direct Current
Flowing Current
Alternating Current
Straight Current
10. Which wire color is considered neutral?
a.
b.
c.
d.
e.
Black
Red
Green
White
None of the Above
11. A circuit that has more than one path for electricity to flow is known as a:
a.
b.
c.
d.
Parallel Circuit
Straight Circuit
Series Circuit
Continuous Circuit
12. A __________________ contains a metal strip that melts when it detects too much current
a.
b.
c.
d.
Circuit Breaker
Ground Fault Circuit Interrupter
Switch
Fuse
13. Which wire color indicates ground?
a.
b.
c.
d.
e.
Red
Black
Green
White
None of the Above
14. Ground fault circuit interrupters (GFCI) should be used in:
a.
b.
c.
d.
Unfinished basements
Outdoor Applications
Bathrooms
All of the Above
15. A _______________________ switch is used to control a light, outlet, or device from more
than one location
a.
b.
c.
d.
Three Way
Four Way
Single Pole
Dimmer Switch
16. Normal Voltage for switches and receptacles is:
a.
b.
c.
d.
110, 115, or 125
30, 60, or 90
220, 240, or 250
500, 740, or 830
17. Alternating current can travel _________________________ distances
a.
b.
c.
d.
Short
Long
Medium
None of the Above
18. When a circuit is closed, electricity is ___________________
a.
b.
c.
d.
Flowing
Stalled
Not flowing
None of the Above
19. DC is ____________________ than AC electricity
a.
b.
c.
d.
Safer
No different
More Dangerous
None of the Above
20. What occurs when a hot wire and neutral wire accidentally contact
a.
b.
c.
d.
Parallel Circuit
Series Circuit
Nothing
Short Circuit
Electrical Tools
21. Which tool is used to remove the insulation from the cable?
a.
b.
c.
d.
Wire Strippers
Needle Nose Pliers
Wire Rippers
Lineman’s Pliers
22. This tool is used to remove the insulation covering to expose bare wire
a.
b.
c.
d.
Wire Strippers
Needle Nose Pliers
Wire Rippers
Lineman’s Pliers
23. Which tool is used to cut through electrical cable?
a.
b.
c.
d.
Lineman’s Pliers
Wire Rippers
Screw Driver
Needle Nose Pliers
24. This tool is used to detect whether voltage is present.
a.
b.
c.
d.
Circuit Tester
Lineman’s Pliers
Wire Rippers
Receptacle Tester
Match the following definitions with the correct parts of the circuit
A. Path
B. Load
C. Control
25. Opens and Closes the Circuit
26. Provides power for the Circuit
27. Coverts electrical energy into light, heat, or mechanical motion
28. Directs the flow of electricity
Match the Electrical Symbol with its Correct Meaning
A.
B.
C
D.
E
F.
29. Ground
_______________
30. Duplex Receptacle
_______________
31. Single Pole Receptacle
_______________
32. Fuse
_______________
33. Circuit Breaker
_______________
34. Ground Fault Circuit Interrupter
_______________
D. Source
Electrical Calculations: Show all work!
35. How many watts are used by a small appliance on a 120-volt circuit that draws 5
amps?
36. How much resistance is present on a 120 volt circuit using 12 amps?
37. How many amps are used by a 60-watt light bulb on a 120-volt circuit?
Bonus:
Who invented Direct Current (DC)?
Who Invented Alternating Current (AC)?