SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
Test your basic knowledge |
Electrical Components
Start Test
Study First
Subject
:
engineering
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. OSHA;
Occupational Safety & Health Administration
National Electrical Manufacturers Association
Filter
Electrode
2. NEC: A set of regulations pertaining to electrical installation and design in the interest of the protection of life and property. The NEC is adopted by NFPA and approved by ANSI. It is the preferred standard of guidelines used by most electrical reg
Fluorescent
National Electrical Code
Ingress Protection Ratings
PID
3. Expressed in webers - it is the product of the average normal component of the magnetic intensity over a surface and the area of that surface.
Magnetic Flux
Response Time
VOM
Gain
4. MV; One thousandth of a volt. The difference in potential needed to cause a current of one milliampere flow through a resistance of one ohm.
Millivolt
Momentary switch
System International
Operating Temperature
5. CSA ~LINK~
Canadian Standards Administration
Phase
Chatter
Voltmeter
6. A circuit conductor that is grounded to become part of the electric circuit by design and intent.
Cathode
Power Supply
Grounded Conductor
Electromagnetic field
7. The method by which two devices or systems are connected and interact with each other.
Process Meter
Interface
National Electrical Code
Magnetic Field
8. An area in which combustible or flammable mixtures are or could be present.
Isothermal
Hazardous Location
Infrared
Electrolyte
9. Two dissimilar metals connected at a point - that produce an electrical current whose magnitude is dependent upon the temperature at the junction point.
XFMR
Thermocouple
VF
Operating Temperature
10. LED; A solid state light source component that emits light or invisible infrared radiation.
Electrodynamic
Direct Current
Forward resistance
Light Emitting Diode
11. The moving of electricity or heat through a conductor.
Modulated Light Source Control
VHF
Conduction
Zener Effect
12. A Solid State relay is a switching device that completes or interrupts a circuit electrically and has no moving parts. A Mechanical relay is an electromechanical device that closes contacts to complete a circuit or opens contacts to interrupt a circu
Grounded Conductor
Relay
Resistance
Electrolysis
13. In a three phase connection all three phases are connected in series thus forming a closed circuit.
Quasiparticle
Delta
Amplifier
Voltmeter
14. Resistance Temperature Detector.
RTD
Kilovolt
Voltage Drop
Electrolyte
15. Pounds per square inch absolute. Pressure commonly in reference to vacuum.
Response Time
PSIA
Root Mean Square
Microvolt
16. The time based relationship between a reference and a periodic function.
Lag
Quark
Phase
VHF
17. An electromagnetic radiation produced when the inner satellite electrons of heavy atoms have been excited by collision with a stream of fast electrons return to their ground state - giving up the energy previously imparted to them.
X ray
Filament
Latching logic
Series Circuit
18. Variable Frequency.
Rectifier
VF
Power Supply
Root Mean Square
19. A meter used to measure units of volts.
Maximum Power Rating
Cycle Time
Triac
Voltmeter
20. A form of control where the power supplied to a process is controlled by limiting the phase angle of the line voltage.
Joule
Impedance
Direct Current
Phase Proportioning
21. Volt-ohm Meter.
Field cell
Operating Temperature
Celsius
VOM
22. A switch with contacts that are made with actuating force and released when that force is removed.
Latching logic
Electricity
Momentary switch
Current
23. An ionized gas containing about equal numbers of positive and negative charges - which is a good conductor of electricity - and is affected by a magnetic field.
Fluorescent
Operating Temperature
System International
Plasma
24. The difference in potential measured between two points caused by resistance or impedance.
Volt
Voltage Drop
Kilowatt
N.O.
25. The amount of energy released in a nuclear reaction. It is expressed in atomic mass units - or in million electron volts (MEV).
Q-value
Process Meter
Latching logic
Manual Reset Switch
26. RMS; AC voltage that equals DC voltage that will do the same amount of work. For an AC sine wave it is 0.707 x peak voltage.
AWG
Phase
National Electrical Code
Root Mean Square
27. The quality of having the ability to emit light when struck by electrons or another form of radiation.
Mil
Fluorescent
Latching logic
Instrument Society of America
28. Very High Frequency.
VHF
Plasma
Cathode
Voltage Drop
29. Or Hertz; The measurement of the time period of one alternating electric current. In the United States this is commonly 60 cycles per second - or 60 Hertz.
Charge
Mil
Transient
Cycle
30. A silicone semiconductor that maintains a fixed voltage in a circuit.
Mil
Zener Diode
Operating Temperature
VOM
31. Pounds per square inch differential. The difference in pressure between two points.
Millimeter
Make
PSID
Current
32. IEC;
Modulated Light Source Control
International Electrotechnical Commission
Transient Protection
Zero Adjustment
33. Electric current passing through an electrolyte which produces chemical changes in it.
Latent heat
Electrolysis
Amp
Rheostat
34. One millionth of a meter.
Magnetic Blow-out Switch
Micron
Forward Voltage
Triac
35. An interconnected arrangement of parts for carrying high-voltage electricity.
BTU
Electroduct
Phase Proportioning
Watt
36. Response to the change in the level of the input signal.
Diode
Threshold Response
Process Meter
PSID
37. The act of the opening of an electrical circuit.
Break
XMTR
Filter
Electroduct
38. The unit of power. One watt equals one joule per second - 1/746th horsepower.
Watt
Milliamp
Occupational Safety & Health Administration
American National Standards Institute
39. An electrical resistor composed of semiconductor material - whose resistance is a known rapidly varying function of temperature.
Leakage current
Thermistor
Joule
Watt
40. A solid-state switching device used in switching AC wave forms.
UHF
Triac
VHF
Transducer
41. Commonly used in generators and motors - it is an electromagnet formed from a coil of insulated wire that is wound around a soft iron core.
American National Standards Institute
RFI
Field cell
Momentary switch
42. A panel meter with zero and span adjustments - commonly scaled for signals such as 1-5 volts - 4-20mA - etc.
Conductor
Supply Current
Process Meter
National Fire Protection Association
43. Kw; One thousand watts.
Kilowatt
Farad
Charge
I
44. ANSI;
Electrokinetics
Quap
American National Standards Institute
Pulse
45. A fundamental negatively (-) charged atomic particle that rotates around a positively (+) charged nucleus of the atom.
Cycle
VF
Electron
Dilectric
46. Symbol for Mega - one million.
Quark
M
Thermocouple
Forward Voltage
47. -459.67
Y
Absolute Zero
Conduit
Quap
48. Radio Frequency Interference.
Conduction
Ohm
RFI
Actuator
49. A hypothetical basic subatomic nuclear particle believed to be the basic component of protons - neutrons - etc.
Thermistor
Voltmeter
Quark
XFMR
50. IBEW;
Q-value
International Brotherhood of Electrical Workers
Impedance
Conduit