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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. Applying molecular physics to electronics.
Electricity
Break
Quantum Electronics
Forward resistance
2. 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.
American National Standards Institute
Series Circuit
Plasma
Process Meter
3. The method by which two devices or systems are connected and interact with each other.
Quasiparticle
Potentiometer
Interface
Polarity
4. 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.
Magnetic Flux
Millivolt
Q-value
Grounded Conductor
5. A variable resistor.
Magnetic Flux
Root Mean Square
Electrolysis
Potentiometer
6. An electrical circuit that is not 'made'. Contacts - switches or similar devices are open and preventing the floe of current.
PSID
Diode
Open Circuit
Quantum Electronics
7. The output that is produced when one or more inputs are present.
Weber
Celsius
Conduction
OR Logic
8. A material used to conduct electricity or heat.
Thermistor
Magnetic Blow-out Switch
Filament
Conductor
9. The adjustment of a display that results are zero on the display corresponding to a non-zero signal.
AWG
Electrokinetics
Latching logic
Zero Adjustment
10. EPA; ~LINK~
Environmental Protection Agency
Transducer
Thermocouple
Potentiometer
11. Symbol used to denote transmitter.
Light Emitting Diode
XMTR
Factory Mutual
CMV
12. The voltage that is applied across a semiconductor junction to permit forward current through that junction and the device. Forward voltage is also known as 'bias.'
Forward Voltage
Resistance
Maximum Load Current
Cycle
13. Output power divided by input power - (work performed in ratio to energy used to produce it).
Efficiency
Conductor
Rheostat
National Electrical Code
14. An area in which combustible or flammable mixtures are or could be present.
Weber
Hazardous Location
National Electrical Manufacturers Association
Ripple
15. 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
Ohmeter
Microamp
Voltmeter
Ohm
16. The average temperature of a process.
Mean Temperature
Phase Proportioning
Hard Wired
N.C.
17. Current Consumption. The amount of amps or milliamps needed to maintain operation of a control or device.
PSIG
Quartz
Absolute Zero
Supply Current
18. A unit of energy in solid-state physics with mass and momentum but that does not exist as a free particle.
Quasiparticle
PID
Cathode
Mil
19. That part of a circuit which is physically interconnected.
Hard Wired
Charge
Phase
Electrode
20. The behavior of charged particles and the steady motion of charge in magnetic and electric fields.
Electrokinetics
Thermoelectricity
Hard Wired
I
21. IBEW;
Load
AWG
Electrokinetics
International Brotherhood of Electrical Workers
22. The speed or time rate of change of displacement.
Velocity
Amplifier
VOM
Electroduct
23. A sensor or switch with the ability to detect it's relationship to a metal target without making physical contact.
Electric circuit
Velocity
Field cell
Proximity Sensor
24. The quality of having the ability to emit light when struck by electrons or another form of radiation.
Voltmeter
Grounding Conductor
Fluorescent
Magnetic Field
25. Symbol for Mega - one million.
M
Institute of Electrical and Electronics Engineers
Triac
Root Mean Square
26. A circuit conductor that is grounded to become part of the electric circuit by design and intent.
Gain
Hazardous Location
Grounded Conductor
Maximum Operating Temperature
27. Mm; One thousandth of a meter.
Millimeter
Frequency
Magnetic Field
Hazardous Location
28. A form of silicone dioxide. Commonly used in the making of radio transmitters and heat resistant products.
Operating Temperature
Cathode
Kilovolt amperes
Quartz
29. Variable Frequency.
Operating Temperature
Voltage Drop
N.C.
VF
30. The amount of time it takes for a device to react to an input signal.
Frequency
Anode
Response Time
Phase
31. MA; One thousandth of an amp.
Milliamp
Quality Control
Conduit
Momentary switch
32. Normally Open.
PSIG
International Brotherhood of Electrical Workers
N.O.
Rectifier
33. A switch in a controller that manually resets after exceeding the controllers limit.
Power Supply
Open Circuit
Manual Reset Switch
Kilowatt
34. Normally Closed.
International Electrotechnical Commission
Current Proportioning
XMTR
N.C.
35. The magnitude and time phase of a quantity - represented by a plotted line.
Quality Control
Vector
RFI
Thermoelectricity
36. Kw; One thousand watts.
Resistance
Fluorescent
Kilowatt
Ohmeter
37. NEMA;
National Electrical Manufacturers Association
RTD
Lag
CMV
38. In a temperature controller it is the output form that provides a current proportional to the amount of control that is required. Commonly it is the 4 to 20 milliamp current proportioning band that is used in the electronics industry.
I
Current Proportioning
Ampere
Grounding Conductor
39. A temperature scale. Also known as centigrade. Sea level water will freeze at 0
Canadian Standards Administration
Underwriters Laboratories
Bridge Rectifier
Celsius
40. The rate at which electricity flows - measured in amperes - 1 ampere = 1 coulomb per second.
Current
Electrodynamic
Quantum Electronics
Process Meter
41. One thousandth of an inch.
Latent heat
I
Thermocouple
Mil
42. Magnetically - opposite poles - north and south. In electricity - oppositely charged poles - positive and negative.
Thermocouple
Kilowatt
Polarity
Make
43. An arrangement of any of various conductors through which electric current can flow from a supply current.
Grounding Conductor
Farad
Quark
Electric circuit
44. The measured amount of electrical energy that represents the electrostatic forces between atomic particles. The nucleus of an atom has a positive charge (+) and the electrons have a negative charge(-).
Power Dissipation
Charge
Cycle Time
Alternating Current
45. LED; A solid state light source component that emits light or invisible infrared radiation.
Ground
Electroduct
Field cell
Light Emitting Diode
46. A form of control where the power supplied to a process is controlled by limiting the phase angle of the line voltage.
Electric circuit
Isothermal
Leakage current
Phase Proportioning
47. 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.
Circuit
Flux
Conduit
Millivolt
48. See; 'Maximum Power Rating'.
OR Logic
Leakage current
Zener Diode
Maximum Load Current
49. See; 'Proximity Sensor'.
Electrode
Transient
Proximity Switch
Electromagnet
50. Radio Frequency Interference.
Frequency
RFI
Quap
Electricity