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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. One millionth of a volt.
Quality Control
Output
Microvolt
Instrument Society of America
2. Non-conducting material used to isolate and/or insulate energized electrical components.
Amp
Chatter
Zener Effect
Dilectric
3. 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.
N.O.
Process Meter
Pulse
Joule
4. CSA ~LINK~
Canadian Standards Administration
International Brotherhood of Electrical Workers
Velocity
XMTR
5. 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.
Vacuum
Series Circuit
International Organization for Standardization
Manual Reset Switch
6. The part of a circuit that supplies power to the entire circuit or part of the circuit. Usually a separate unit that supplies power to a specific part of the circuit in a system.
Load
Maximum Operating Temperature
Power Supply
Break
7. ISA;
Instrument Society of America
M
Electrokinetics
Relay
8. Chemical changes and energy produced by electric currents.
Electrochemistry
International Electrotechnical Commission
Pulse
Impedance
9. ANSI;
Cycle
Proximity Sensor
Phase Proportioning
American National Standards Institute
10. (DC); Electrical current that flows consistently in one direction only.
Transistor
Millimeter
Transient Protection
Direct Current
11. Mm; One thousandth of a meter.
Field-Effect Transistor (FET)
Farad
OR Logic
Millimeter
12. Normally Closed.
Filter
National Electrical Manufacturers Association
Current Proportioning
N.C.
13. A sudden and unwanted increase or decrease of supply voltage or current.
Lag
Process Meter
Transient
Delta
14. A device that transfers power or energy from one system to another - such as taking a physical quality and changing it to an electrical signal.
Magnetic Field
VOM
Transducer
Voltage Drop
15. A fluctuation in the intensity of a steady current.
X ray
Dilectric
Maximum Operating Temperature
Ripple
16. The basic of thermal energy. The work done by the force of one newton acting through a distance of one meter.
Joule
I
Cycle
Manual Reset Switch
17. Very High Frequency.
Chatter
Forward resistance
XFMR
VHF
18. The opposition to electrical flow.
VOM
Kilovolt
Flux
Impedance
19. The interaction of magnetism and electrical current.
Field-Effect Transistor (FET)
Electrodynamic
Circuit
Thermistor
20. Magnetically - opposite poles - north and south. In electricity - oppositely charged poles - positive and negative.
Velocity
Voltmeter
Polarity
PSIA
21. The mechanism of a switch which operates the contacts.
Root Mean Square
Occupational Safety & Health Administration
Electromagnet
Actuator
22. The modification of a signal that causes the output to remain energized until it is released by intent.
Q-value
Latching logic
Resistance
Electroduct
23. A meter used to measure units of volts.
Kilowatt Hour
Hazardous Location
Voltmeter
Field-Effect Transistor (FET)
24. Protective circuitry to guard against spikes that might be induced on the supply line.
Celsius
Series Circuit
Transient Protection
Supply Current
25. To close an electrical circuit. To establish an electrical circuit through the closing of a contact - switch or other related device.
VF
Electricity
Make
Output
26. 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.
OR Logic
Field cell
Vector
Rectifier
27. The behavior of charged particles and the steady motion of charge in magnetic and electric fields.
Maximum Power Rating
Electrokinetics
Field-Effect Transistor (FET)
Magnetic Flux
28. Current Consumption. The amount of amps or milliamps needed to maintain operation of a control or device.
N.O.
Filament
Supply Current
On/Off Controller
29. The rapid on/off cycling of a relay caused by improper signal or adjustment - faulty contacts - or other malfunction.
Chatter
Flux
Magnetic Field
Isothermal
30. 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
Field cell
Modulated Light Source Control
OR Logic
Relay
31. NFPA;
Momentary switch
National Fire Protection Association
Manual Reset Switch
Factory Mutual
32. The power of one watt operating for one hour - and equal to 3 -600 joules.
Mil
Electroduct
Transient
Watt-hour
33. Pounds per square inch absolute. Pressure commonly in reference to vacuum.
Micron
Grounding Conductor
Voltage Drop
PSIA
34. IEC;
Resistance
International Electrotechnical Commission
Vector
Maximum Operating Temperature
35. A device that converts AC voltage to pulsating DC voltage.
N.O.
Rectifier
Quap
Proximity Switch
36. A negative (-) electrode. The point of entry of electrons into a device from an external circuit. The negative electrode of a semiconductor diode.
Vector
Cathode
Canadian Standards Administration
Supply Voltage
37. The unit of power. One watt equals one joule per second - 1/746th horsepower.
Kilowatt Hour
Fluorescent
Watt
Quantum
38. Pressure that is less than atmospheric pressure.
Direct Current
OR Logic
Watt
Vacuum
39. EPA; ~LINK~
Forward Voltage
Ingress Protection Ratings
Light Emitting Diode
Environmental Protection Agency
40. IBEW;
Forward Voltage
International Brotherhood of Electrical Workers
SCR
Open Circuit
41. A sensor or switch with the ability to detect it's relationship to a metal target without making physical contact.
Chatter
Electromagnet
PSIG
Proximity Sensor
42. A tube - pipe or trough that carries and protects electric wiring.
Conduit
Open Circuit
Celsius
Quartziodine Lamp
43. One millionth of an amp.
Magnetic Blow-out Switch
Microamp
Field-Effect Transistor (FET)
Power Dissipation
44. That part of a circuit which is physically interconnected.
Quality Control
Hard Wired
BTU
PID
45. Pounds per square inch differential. The difference in pressure between two points.
Y
PSID
Thermistor
RTD
46. Kva; One thousand volt amps.
National Electrical Code
Supply Voltage
Kilovolt amperes
BTU
47. A device having two terminals and has a low resistance to electrical current in one direction and a high resistance in the other direction.
Diode
Mueller Bridge
Flux
CMV
48. The amount of energy released in a nuclear reaction. It is expressed in atomic mass units - or in million electron volts (MEV).
Electrolyte
Time Delay Before Availability
Q-value
Watt-hour
49. A form of silicone dioxide. Commonly used in the making of radio transmitters and heat resistant products.
International Organization for Standardization
Electromagnet
Ripple
Quartz
50. A material used to conduct electricity or heat.
Process Meter
Alternating Current
Power Dissipation
Conductor