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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. A panel meter with zero and span adjustments - commonly scaled for signals such as 1-5 volts - 4-20mA - etc.
Series Circuit
Process Meter
Zener Effect
Grounded Conductor
2. Very High Frequency.
VHF
Mueller Bridge
Polarity
Ohm
3. An arrangement of any of various conductors through which electric current can flow from a supply current.
Electric circuit
Latent heat
M
Chatter
4. The time delay between the output signal and the response time of the receiver of the signal.
Lag
Actuator
Electromagnet
Millivolt
5. The method by which two devices or systems are connected and interact with each other.
Quality Control
Conductor
Interface
M
6. Normally Closed.
Series Circuit
Joule
N.C.
Latching logic
7. A device having two terminals and has a low resistance to electrical current in one direction and a high resistance in the other direction.
Manual Reset Switch
VOM
Diode
Anode
8. Kwh; One thousand watt-hours.
Kilowatt Hour
Diode
Efficiency
Supply Current
9. CSA ~LINK~
Rectifier
Beta
Proximity Switch
Canadian Standards Administration
10. The electrical demand of a process. Load can be expressed or calculated as amps (current) - ohms (resistance) or watts (power).
Thermocouple
Weber
Load
Quartziodine Lamp
11. Kw; One thousand watts.
System International
Kilowatt
XFMR
Power Dissipation
12. The rapid on/off cycling of a relay caused by improper signal or adjustment - faulty contacts - or other malfunction.
Ohmeter
Working Standard
Triac
Chatter
13. A device that converts AC voltage to pulsating DC voltage.
Conductor
International Electrotechnical Commission
Ohm
Rectifier
14. A positive (+) electrode. The point where electrons exit from a device to the external electric circuit.
Anode
Filament
National Electrical Manufacturers Association
Open Circuit
15. 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.
Gain
Charge
Filter
X ray
16. Electric and magnetic force field that surrounds a moving electric charge.
Electromagnetic field
Efficiency
Modulated Light Source Control
Break
17. An electrical resistor composed of semiconductor material - whose resistance is a known rapidly varying function of temperature.
Instrument Society of America
Thermistor
N.O.
Hard Wired
18. Volt-ohm Meter.
Field-Effect Transistor (FET)
Rectifier
VOM
Electrochemistry
19. Inspection - analysis and action required to ensure quality of output.
Momentary switch
Power Dissipation
Transistor
Quality Control
20. Current Consumption. The amount of amps or milliamps needed to maintain operation of a control or device.
Amp
Supply Current
Process Meter
Transient
21. Symbol used for wye configuration for three phase electrical connections.
Y
Conduction
UHF
Modulated Light Source Control
22. An electrically conductive fused salt or a solution where the charge is carried by ionic movement.
CMV
Electrolyte
M
Velocity
23. The form of radiation used to make non-contact temperature measurements. In the electromagnetic spectrum it is the area beyond red light from 760 nanometers to 1000 microns.
Phase
Thyristor
Infrared
Momentary switch
24. MA; One thousandth of an amp.
Milliamp
Capacitor
Watt-hour
Triac
25. Normally Open.
N.O.
M
Plasma
Interface
26. The range of temperature over which a device may be safely used. The temperature range which the device has been designed to operate.
Quantum Electronics
Operating Temperature
PSIA
XMTR
27. 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.
Environmental Protection Agency
Plasma
National Electrical Code
Vector
28. Non-conducting material used to isolate and/or insulate energized electrical components.
Break
Dilectric
Momentary switch
Vacuum
29. Magnetically - opposite poles - north and south. In electricity - oppositely charged poles - positive and negative.
Forward resistance
Volt
Polarity
Cycle
30. Radio Frequency Interference.
RFI
Factory Mutual
Capacitor
Quasiparticle
31. An electrical circuit that is not 'made'. Contacts - switches or similar devices are open and preventing the floe of current.
Microvolt
Open Circuit
Break
Maximum Load Current
32. The speed or time rate of change of displacement.
Supply Voltage
Voltage Drop
N.O.
Velocity
33. 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.
XFMR
Quantum Electronics
Bridge Rectifier
Root Mean Square
34. Output power divided by input power - (work performed in ratio to energy used to produce it).
Quartz
PSIA
Mil
Efficiency
35. A sensor or switch with the ability to detect it's relationship to a metal target without making physical contact.
Proximity Sensor
PSIA
PSID
Operating Temperature
36. Chemical changes and energy produced by electric currents.
Electrochemistry
Volt
Zero Adjustment
Farad
37. LED; A solid state light source component that emits light or invisible infrared radiation.
Interface
Pulse
Supply Voltage
Light Emitting Diode
38. Mm; One thousandth of a meter.
Electromagnet
Millimeter
Delta
Momentary switch
39. The maximum watts that a device can safely handle.
Maximum Power Rating
American National Standards Institute
Magnetic Field
Institute of Electrical and Electronics Engineers
40. The output that is produced when one or more inputs are present.
Quartz
Break
Polarity
OR Logic
41. The unit of power. One watt equals one joule per second - 1/746th horsepower.
Watt-hour
Farad
Factory Mutual
Watt
42. The measure of the ability of a material or substance to carry electrical current.
Conductance
Output
Series Circuit
VOM
43. The standard unit of magnetic flux.
Circuit
Impedance
AWG
Weber
44. Pounds per square inch absolute. Pressure commonly in reference to vacuum.
Microamp
PSIA
N.C.
RTD
45. A sudden and unwanted increase or decrease of supply voltage or current.
Environmental Protection Agency
Momentary switch
Maximum Power Rating
Transient
46. A material used to conduct electricity or heat.
Conductor
Electromagnet
PSIA
Electroduct
47. A process that is kept at a constant temperature.
PID
Joule
Isothermal
Kilovolt
48. Pounds per square inch differential. The difference in pressure between two points.
National Fire Protection Association
Kilovolt amperes
PSID
Ripple
49. That part of a circuit which is physically interconnected.
Latching logic
Rectifier
Hard Wired
Cycle
50. A hypothetical basic subatomic nuclear particle believed to be the basic component of protons - neutrons - etc.
Quark
Magnetic Flux
Dilectric
Quality Control