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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 maximum temperature at which a device can be safely operated.
Maximum Operating Temperature
Quantum
Transient Protection
System International
2. Current Consumption. The amount of amps or milliamps needed to maintain operation of a control or device.
Polarity
Electricity
Cathode
Supply Current
3. The resistance to electrical current. Resistance is measured in ohms.
Resistance
Quasiparticle
Magnetic Flux
Conductor
4. The rapid on/off cycling of a relay caused by improper signal or adjustment - faulty contacts - or other malfunction.
Chatter
Field-Effect Transistor (FET)
Ingress Protection Ratings
Electromagnetic field
5. Electric and magnetic force field that surrounds a moving electric charge.
Celsius
Instrument Society of America
Electromagnetic field
Actuator
6. To close an electrical circuit. To establish an electrical circuit through the closing of a contact - switch or other related device.
Make
Pulse
Open Circuit
Quality Control
7. See; 'Proximity Sensor'.
UHF
Proximity Switch
BTU
Phase Proportioning
8. A unit of energy in solid-state physics with mass and momentum but that does not exist as a free particle.
Vacuum
Canadian Standards Administration
Quasiparticle
Milliamp
9. European environmental ratings. Similar to NEMA ratings in the USA. IP;*site has NEMA comparisons ~LINK~
Leakage current
Ingress Protection Ratings
Working Standard
Interface
10. A fluctuation in the intensity of a steady current.
Root Mean Square
Ripple
National Fire Protection Association
Conductance
11. 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
Institute of Electrical and Electronics Engineers
Momentary switch
National Electrical Code
Y
12. The unit for capacitance. A capacitor that stored one coulomb of charge with one volt across it will have a value of one farad.
Mean Temperature
Watt
Field-Effect Transistor (FET)
Farad
13. 'American Wire Gauge' system used to determine wire size.
AWG
Amplifier
RTD
Gain
14. A high-intensity incandescent lamp with a quartz bulb containing an inert gas of iodine or bromine vapor.
Quality Control
Infrared
Quartziodine Lamp
Weber
15. An electrical resistor composed of semiconductor material - whose resistance is a known rapidly varying function of temperature.
Environmental Protection Agency
Thermistor
Conduction
Momentary switch
16. The element inside a vacuum tube - incandescent lamp or other similar device.
RTD
Filament
Transient Protection
Charge
17. Pounds per square inch differential. The difference in pressure between two points.
Diode
PSID
Hazardous Location
Polarity
18. The rate at which electricity flows - measured in amperes - 1 ampere = 1 coulomb per second.
Zero Adjustment
Circuit
Current
Time Delay Before Availability
19. The power of one watt operating for one hour - and equal to 3 -600 joules.
Quasiparticle
Flux
Watt-hour
Celsius
20. 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.
Root Mean Square
Y
Thermocouple
Circuit
21. A sudden and unwanted increase or decrease of supply voltage or current.
Quartziodine Lamp
Electrokinetics
Transient
Vacuum
22. The conductor that is used by intent to connect the grounded circuit of an electrical wiring system or equipment to a grounding electrode with reference to earth.
Grounding Conductor
Vector
Electrode
Q-value
23. 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.
Quality Control
X ray
Field-Effect Transistor (FET)
Rheostat
24. Volt-ohm Meter.
Mueller Bridge
VOM
Pulse
Milliamp
25. Electric current passing through an electrolyte which produces chemical changes in it.
Electrolysis
Modulated Light Source Control
Mil
SCR
26. A panel meter with zero and span adjustments - commonly scaled for signals such as 1-5 volts - 4-20mA - etc.
Process Meter
Vacuum
Electron
Electrolyte
27. Kw; One thousand watts.
I
International Brotherhood of Electrical Workers
Kilowatt
Direct Current
28. 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.
Working Standard
Micron
Microamp
Magnetic Flux
29. -459.67
Absolute Zero
Transient Protection
Charge
Transducer
30. The modification of a signal that causes the output to remain energized until it is released by intent.
Zener Diode
Latching logic
Lag
Transducer
31. A process that is kept at a constant temperature.
Field-Effect Transistor (FET)
Phase Proportioning
Isothermal
Amp
32. Applying molecular physics to electronics.
Quartz
Thyristor
Volt
Quantum Electronics
33. An electrical circuit that increases the power - voltage or current of an applied signal.
Quap
Amplifier
Lag
Watt
34. A hypothetical nuclear of a quark plus an antiproton.
Quap
Quantum
Make
Process Meter
35. kV; One thousand volts.
Flux
Occupational Safety & Health Administration
Kilovolt
PID
36. One thousandth of an inch.
Output
Mil
Institute of Electrical and Electronics Engineers
Gain
37. Radio Frequency Interference.
UHF
Ohm
RFI
Quantum
38. The time it takes for a controller to complete one on/off cycle.
Cycle Time
Weber
Watt
Institute of Electrical and Electronics Engineers
39. Symbol used to denote transformer.
Potentiometer
Actuator
UHF
XFMR
40. The electrical demand of a process. Load can be expressed or calculated as amps (current) - ohms (resistance) or watts (power).
Load
Ground
Thermistor
VF
41. The moving of electricity or heat through a conductor.
Conduction
Environmental Protection Agency
Ohm
Quap
42. That part of a circuit which is physically interconnected.
Hard Wired
Triac
On/Off Controller
Cycle
43. 'British Thermal Unit' - the amount of thermal energy required to raise one pound of water 1degree F. One BTU is equal to .293 watt hours. One kWh is equal to 3412 BTUs.
BTU
Isothermal
Resistance
Ripple
44. IEC;
Polarity
Mueller Bridge
International Electrotechnical Commission
Amplifier
45. A switch with contacts that are made with actuating force and released when that force is removed.
Momentary switch
Mean Temperature
Current
Electromagnetic field
46. The opposition to electrical flow.
Quality Control
Impedance
Watt
Ground
47. A tube - pipe or trough that carries and protects electric wiring.
Joule
Triac
Hazardous Location
Conduit
48. A meter used to measure units of volts.
Series Circuit
Voltmeter
Vector
Y
49. 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.
Magnetic Field
Amp
N.O.
XMTR
50. SI; The standard metric system of units.
Filament
System International
Chatter
Micron