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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 speed or time rate of change of displacement.
Light Emitting Diode
Electroduct
Latent heat
Velocity
2. The energy delivered by a circuit or device. The electrical signal produced by the input to the transducer.
Ground
Make
Output
XMTR
3. (ampere)The basic unit of current in an electrical circuit. One ampere is the rate of flow of electric current when one coulomb of charge flows past a point in the circuit in one second. Symbolically characterized by the letter 'I' and sometimes 'A'
Conductor
Filament
Transient
Amp
4. Variable Frequency.
VF
Load
Lag
Mil
5. Kw; One thousand watts.
Electrokinetics
Kilowatt
Thyristor
International Brotherhood of Electrical Workers
6. ISO;
Weber
Zener Effect
International Organization for Standardization
Electrokinetics
7. FM; ~LINK~
Factory Mutual
BTU
Weber
Microamp
8. The unit for capacitance. A capacitor that stored one coulomb of charge with one volt across it will have a value of one farad.
Thermocouple
Cycle
Interface
Farad
9. Current Consumption. The amount of amps or milliamps needed to maintain operation of a control or device.
XFMR
Supply Current
Grounded
Light Emitting Diode
10. The current that is gained by a transistor when it is connected in a common emitter circuit.
Mil
Alternating Current
Cycle
Beta
11. -459.67
Electrolysis
Absolute Zero
Break
Manual Reset Switch
12. An area in which combustible or flammable mixtures are or could be present.
Isothermal
Hazardous Location
Grounded Conductor
Instrument Society of America
13. Resistance Temperature Detector.
Electron
Anode
RTD
Voltage Drop
14. A solid-state switching device used in switching AC wave forms.
I
Triac
UHF
Bridge Rectifier
15. Very High Frequency.
Forward resistance
Zener Effect
Ripple
VHF
16. 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.
Proximity Sensor
Quantum
Field cell
Thermoelectricity
17. An anode (+) or cathode (-) conductor on a device through which an electric current passes.
Rheostat
Electrode
Interface
Electrolyte
18. Output power divided by input power - (work performed in ratio to energy used to produce it).
Quartziodine Lamp
CMV
Efficiency
Institute of Electrical and Electronics Engineers
19. An electrical circuit that is not 'made'. Contacts - switches or similar devices are open and preventing the floe of current.
Thermocouple
Voltmeter
Hazardous Location
Open Circuit
20. Symbol used for wye configuration for three phase electrical connections.
Isothermal
Y
International Brotherhood of Electrical Workers
N.O.
21. The rate at which electricity flows - measured in amperes - 1 ampere = 1 coulomb per second.
Electrokinetics
Cathode
Current
Supply Voltage
22. 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.
Grounded
Triac
Pulse
Plasma
23. A device incorporating semiconductor material and suitable contacts capable of performing electrical functions (such as voltage - current or power amplification) with low power requirements.
Transducer
Forward Voltage
Transistor
Cycle Time
24. The standard that is used to make comparison measurements or calibrations.
Anode
Working Standard
Cathode
Break
25. The electrical demand of a process. Load can be expressed or calculated as amps (current) - ohms (resistance) or watts (power).
Power Supply
Infrared
Load
Electroduct
26. A material used to conduct electricity or heat.
Conductor
Absolute Zero
Occupational Safety & Health Administration
Field cell
27. An arrangement of any of various conductors through which electric current can flow from a supply current.
Electric circuit
Quap
Series Circuit
Ohm
28. The adjustment of a display that results are zero on the display corresponding to a non-zero signal.
Zero Adjustment
Ohm
Charge
Phase
29. MA; One thousandth of an amp.
AWG
Polarity
Magnetic Field
Milliamp
30. NFPA;
BTU
Transient
Thermocouple
National Fire Protection Association
31. A fluctuation in the intensity of a steady current.
Weber
Direct Current
Ripple
Celsius
32. LED; A solid state light source component that emits light or invisible infrared radiation.
Potentiometer
VF
Light Emitting Diode
Quantum
33. MV; One thousandth of a volt. The difference in potential needed to cause a current of one milliampere flow through a resistance of one ohm.
Millivolt
SCR
Frequency
Mueller Bridge
34. The maximum watts that a device can safely handle.
M
Electromagnet
Kilovolt
Maximum Power Rating
35. Symbol for Mega - one million.
Pulse
M
Current Proportioning
Electrokinetics
36. The amount of energy released in a nuclear reaction. It is expressed in atomic mass units - or in million electron volts (MEV).
BTU
Response Time
Q-value
Thermoelectricity
37. The amount of heat needed to convert one pound of water to one pound of steam. Latent heat is expressed in BTU per pound.
Filter
Celsius
Maximum Load Current
Latent heat
38. Pressure that is less than atmospheric pressure.
International Brotherhood of Electrical Workers
Joule
Vacuum
Cycle Time
39. Applying molecular physics to electronics.
Pulse
Quantum Electronics
Ground
Quality Control
40. 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.
Process Meter
Weber
Diode
Pulse
41. ANSI;
Amplifier
American National Standards Institute
Field-Effect Transistor (FET)
Phase
42. MLS; A photoelectric control that operates on pulsed infrared radiation at a specific frequency - and responds only to that frequency of pulse. MLS is used frequently in areas where ambient light may cause problems with other types of sensors.
Open Circuit
Root Mean Square
Modulated Light Source Control
Voltmeter
43. A controller whose action is either fully on or off.
Quartz
On/Off Controller
Electroduct
Thermocouple
44. The amount of time it takes for a device to react to an input signal.
Response Time
Electrokinetics
Grounded
Electricity
45. The unit by which electrical resistance is measured. One ohm is equal to the current of one ampere which will flow when a voltage of one volt is applied
PID
Power Supply
Vector
Ohm
46. One millionth of an amp.
Cathode
Electrolyte
Microamp
Actuator
47. The basic of thermal energy. The work done by the force of one newton acting through a distance of one meter.
PID
Kilowatt Hour
Joule
Maximum Operating Temperature
48. One millionth of a meter.
Kilovolt
Field cell
Flux
Micron
49. The time based relationship between a reference and a periodic function.
Magnetic Field
International Electrotechnical Commission
Zero Adjustment
Phase
50. A unit of electrical current named after French physicist Andr
Grounded
Circuit
Ampere
On/Off Controller