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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. The measure of the ability of a material or substance to carry electrical current.
Filter
Farad
Underwriters Laboratories
Conductance
2. An interconnected arrangement of parts for carrying high-voltage electricity.
Phase
Electroduct
Quap
Intrinsically safe
3. A form of control where the power supplied to a process is controlled by limiting the phase angle of the line voltage.
RTD
Amplifier
Phase Proportioning
Frequency
4. ISA;
Underwriters Laboratories
Anode
Time Delay Before Availability
Instrument Society of America
5. 'Common Mode Voltage.' The voltage which is tolerable between signal and ground.
National Electrical Manufacturers Association
Kilovolt
RTD
CMV
6. A switching device used in switching high DC loads. It contains a small permanent magnet which deflects arc in order to quench it.
Magnetic Blow-out Switch
Chatter
Quartz
Institute of Electrical and Electronics Engineers
7. A variable resistor.
Factory Mutual
Circuit
Rheostat
Millivolt
8. Silicone Controlled Rectifier.
SCR
Dilectric
Quasiparticle
X ray
9. Symbol used to denote transmitter.
Proximity Sensor
Electrodynamic
XMTR
Current Proportioning
10. NFPA;
National Fire Protection Association
Thermistor
Direct Current
Grounding Conductor
11. 'American Wire Gauge' system used to determine wire size.
Ohmeter
Grounded Conductor
AWG
Underwriters Laboratories
12. A process that is kept at a constant temperature.
VOM
Isothermal
Ripple
Pulse
13. A device used to store electrical energy in an electrostatic field until discharge.
Capacitor
XMTR
Electromagnet
Chatter
14. LED; A solid state light source component that emits light or invisible infrared radiation.
Field cell
Quality Control
Power Dissipation
Light Emitting Diode
15. FM; ~LINK~
Factory Mutual
Hazardous Location
XMTR
Load
16. A meter used to measure units of volts.
Circuit
Forward resistance
Thyristor
Voltmeter
17. The unit for capacitance. A capacitor that stored one coulomb of charge with one volt across it will have a value of one farad.
Transistor
Cathode
Farad
Frequency
18. Ultra High Frequency
Plasma
Threshold Response
Zero Adjustment
UHF
19. See; 'Maximum Power Rating'.
Canadian Standards Administration
Maximum Load Current
Process Meter
Filament
20. A panel meter with zero and span adjustments - commonly scaled for signals such as 1-5 volts - 4-20mA - etc.
Process Meter
Lag
Voltmeter
Filament
21. A solid-state switching device used in switching AC wave forms.
Triac
Milliamp
RTD
Zero Adjustment
22. The pronounced curvature in reverse voltage current that is characteristic of a diode.
Rheostat
Zener Effect
RFI
Absolute Zero
23. ISO;
Operating Temperature
Charge
International Organization for Standardization
Load
24. When there is current through a semiconductor p-n junction it is the resistance of a forward-biased junction.
Quartz
Series Circuit
Diode
Forward resistance
25. The element inside a vacuum tube - incandescent lamp or other similar device.
Forward resistance
Isothermal
Zero Adjustment
Filament
26. UL; ~LINK~
Response Time
Underwriters Laboratories
PSIG
Current
27. Variable Frequency.
Threshold Response
Magnetic Flux
Thyristor
VF
28. The time delay between the output signal and the response time of the receiver of the signal.
Microvolt
Lag
Operating Temperature
Grounded
29. A negative (-) electrode. The point of entry of electrons into a device from an external circuit. The negative electrode of a semiconductor diode.
Fluorescent
Cathode
Power Supply
Load
30. A hypothetical nuclear of a quark plus an antiproton.
Quartz
Quap
Electrolyte
Isothermal
31. The method by which two devices or systems are connected and interact with each other.
Grounding Conductor
Kilowatt
Interface
Kilowatt Hour
32. A highly accurate bridge configuration that is used to measure three-wire RTD thermometers.
Electrokinetics
Gain
Mueller Bridge
Voltmeter
33. IBEW;
Volt
Thyristor
Proximity Switch
International Brotherhood of Electrical Workers
34. The current that is gained by a transistor when it is connected in a common emitter circuit.
Y
Beta
SCR
Operating Temperature
35. Symbol used to denote transformer.
Electrolyte
Alternating Current
XFMR
Threshold Response
36. Pounds per square inch differential. The difference in pressure between two points.
Quartziodine Lamp
Direct Current
PSID
Weber
37. A form of energy produced by the flow of particles of matter and consists of commonly attractive positively (protons [+]) and negatively (electrons [-]) charged atomic particles. A stream of electrons - or an electric current.
Potentiometer
Electricity
Gain
Manual Reset Switch
38. Intensity. The commonly used symbol used to represent Amperes when used in formulas. I = Intensity = Current = Amps = Amperes.
Mean Temperature
Anode
I
Power Supply
39. A sensor or switch with the ability to detect it's relationship to a metal target without making physical contact.
Field cell
Milliamp
Proximity Sensor
Electromagnet
40. A sudden and unwanted increase or decrease of supply voltage or current.
Latching logic
Lag
Transient
Diode
41. A switch with contacts that are made with actuating force and released when that force is removed.
Output
Modulated Light Source Control
Momentary switch
Microamp
42. 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
Working Standard
National Electrical Code
Electrolyte
Kilovolt amperes
43. Kva; One thousand volt amps.
Thermocouple
Electrode
Mueller Bridge
Kilovolt amperes
44. A device that converts AC voltage to pulsating DC voltage.
X ray
Rectifier
Transistor
Millivolt
45. The time based relationship between a reference and a periodic function.
Working Standard
Phase
XMTR
Light Emitting Diode
46. IEEE;
Impedance
Load
Institute of Electrical and Electronics Engineers
International Electrotechnical Commission
47. kV; One thousand volts.
Conductance
Maximum Power Rating
Capacitor
Kilovolt
48. A circuit which may have one or many resistors and/or other various devices connected in a series so that the current has only one path to follow.
Root Mean Square
Make
Interface
Series Circuit
49. That part of a circuit which is physically interconnected.
Polarity
Hard Wired
Charge
Phase
50. 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.
Supply Voltage
Beta
Flux
Root Mean Square