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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. Pounds per square inch differential. The difference in pressure between two points.
Supply Voltage
Conduction
Zero Adjustment
PSID
2. The increase of the power level - current or voltage of a signal. In an amplifier it is the ratio of the output to the input signal levels.
Magnetic Blow-out Switch
Gain
Electromagnet
Quantum
3. A coil of wire wound about a magnetic material - such as iron - that produces a magnetic field when current flows through the wire.
Kilovolt amperes
Gain
RTD
Electromagnet
4. A tube - pipe or trough that carries and protects electric wiring.
Charge
Conduit
Quap
National Fire Protection Association
5. A positive (+) electrode. The point where electrons exit from a device to the external electric circuit.
Delta
Anode
Circuit
Rectifier
6. The moving of electricity or heat through a conductor.
Pulse
Occupational Safety & Health Administration
Conduction
Conductance
7. The difference in potential measured between two points caused by resistance or impedance.
Lag
Watt-hour
Cycle Time
Voltage Drop
8. A hypothetical basic subatomic nuclear particle believed to be the basic component of protons - neutrons - etc.
Quark
VOM
Electroduct
Interface
9. ISO;
N.O.
International Organization for Standardization
Electromagnet
Grounded Conductor
10. A full-wave rectifier where the diodes are connected in a bridge circuit. This allows the current to the load during both the positive and negative alternating of the supply voltage.
Bridge Rectifier
Thermistor
Cycle
Series Circuit
11. Very High Frequency.
VHF
Series Circuit
Bridge Rectifier
Velocity
12. An electrical circuit that increases the power - voltage or current of an applied signal.
Q-value
Filter
Amplifier
Phase
13. The opposition to electrical flow.
Series Circuit
RFI
Impedance
System International
14. Pounds per square inch absolute. Pressure commonly in reference to vacuum.
PSIA
Working Standard
Electrokinetics
Ground
15. A rise and fall of voltage - current - or other faction that would be constant under normal conditions. A pulse that is intentionally induced will have a finite duration time.
Direct Current
On/Off Controller
International Organization for Standardization
Pulse
16. A device - instrument or component that will not produce any spark or thermal effects under any conditions that are normal or abnormal that will ignite a specified gas mixture. Electrical and thermal energy limits are at levels incapable of causing i
Rheostat
Time Delay Before Availability
Zero Adjustment
Intrinsically safe
17. The time based relationship between a reference and a periodic function.
Phase
Mil
Charge
Beta
18. Intensity. The commonly used symbol used to represent Amperes when used in formulas. I = Intensity = Current = Amps = Amperes.
Voltage Drop
Current
Filter
I
19. The standard that is used to make comparison measurements or calibrations.
Working Standard
Grounded
X ray
Watt
20. The amount of time it takes for a device to react to an input signal.
Response Time
Fluorescent
Microamp
Direct Current
21. A form of control where the power supplied to a process is controlled by limiting the phase angle of the line voltage.
N.C.
Phase Proportioning
Voltmeter
Voltage Drop
22. Volt-ohm Meter.
On/Off Controller
VOM
X ray
Make
23. A silicone semiconductor that maintains a fixed voltage in a circuit.
Delta
Ohmeter
Zener Diode
Maximum Load Current
24. See; 'Proximity Sensor'.
I
Joule
PSID
Proximity Switch
25. 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.
Charge
Magnetic Flux
Transient Protection
Electricity
26. A device having two terminals and has a low resistance to electrical current in one direction and a high resistance in the other direction.
Lag
Diode
Electrolysis
Dilectric
27. The rate at which electricity flows - measured in amperes - 1 ampere = 1 coulomb per second.
Current
Momentary switch
Quasiparticle
Beta
28. A connected path to earth or to a conductive body that has a reference potential to earth.
UHF
Thermoelectricity
Grounded
Latent heat
29. An electrically conductive fused salt or a solution where the charge is carried by ionic movement.
Electrolyte
Q-value
Quantum Electronics
M
30. When there is current through a semiconductor p-n junction it is the resistance of a forward-biased junction.
Field cell
International Electrotechnical Commission
Instrument Society of America
Forward resistance
31. The rate of transfer of energy.
N.O.
Beta
Flux
Triac
32. The element inside a vacuum tube - incandescent lamp or other similar device.
International Electrotechnical Commission
Filament
Y
Power Dissipation
33. A sensor or switch with the ability to detect it's relationship to a metal target without making physical contact.
Velocity
Proximity Sensor
Frequency
Grounding Conductor
34. FM; ~LINK~
Factory Mutual
Beta
Output
Charge
35. Chemical changes and energy produced by electric currents.
Vacuum
Electrochemistry
Electroduct
Kilovolt
36. MA; One thousandth of an amp.
Output
Electric circuit
Hard Wired
Milliamp
37. Mm; One thousandth of a meter.
Occupational Safety & Health Administration
Millimeter
Triac
Pulse
38. Also known as Hertz - it is the number of complete cycles of periodic waveform that occur during a time period of one second.
Modulated Light Source Control
PSIG
Frequency
Chatter
39. CSA ~LINK~
Thermistor
Efficiency
Millivolt
Canadian Standards Administration
40. A unit of energy in solid-state physics with mass and momentum but that does not exist as a free particle.
Coulomb
Power Supply
Output
Quasiparticle
41. A material used to conduct electricity or heat.
Environmental Protection Agency
Voltage Drop
Conductor
Pulse
42. A circuit element or components that allows signals of certain frequencies to pass and blocks signals of other frequencies.
Celsius
Electron
Filter
Canadian Standards Administration
43. A highly accurate bridge configuration that is used to measure three-wire RTD thermometers.
Grounding Conductor
Electromagnet
Mueller Bridge
RFI
44. A process that is kept at a constant temperature.
National Electrical Code
Isothermal
Output
Zener Diode
45. A region of space that surrounds a moving electrical charge or a magnetic pole - in which the electrical charge or magnetic pole experiences a force that is above the electrostatic ones associated with particles at rest.
Electromagnetic field
Interface
Magnetic Field
On/Off Controller
46. The interaction of magnetism and electrical current.
Electric circuit
Frequency
Electrodynamic
Micron
47. A three mode control consisting of time Proportioning - Integral and Derivative rate action.
PID
Forward resistance
Electrochemistry
Occupational Safety & Health Administration
48. One millionth of an amp.
Dilectric
Potentiometer
Ingress Protection Ratings
Microamp
49. Radio Frequency Interference.
PSIA
RFI
Electrolyte
Institute of Electrical and Electronics Engineers
50. 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
Conductance
Volt
Kilovolt