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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 solid-state switching device used in switching AC wave forms.
Velocity
Quap
Triac
Cycle Time
2. The average temperature of a process.
Electromagnetic field
Mean Temperature
Weber
Conductance
3. FM; ~LINK~
Light Emitting Diode
PID
Filament
Factory Mutual
4. A three mode control consisting of time Proportioning - Integral and Derivative rate action.
Fluorescent
Microamp
PID
Ohm
5. Normally Open.
Milliamp
N.O.
Lag
Polarity
6. One millionth of an amp.
Transient
Microamp
Conduction
Watt
7. A device incorporating semiconductor material and suitable contacts capable of performing electrical functions (such as voltage - current or power amplification) with low power requirements.
Transistor
Electrolysis
Resistance
Quantum
8. A meter used to measure units of volts.
Voltmeter
Anode
Latent heat
CMV
9. An area in which combustible or flammable mixtures are or could be present.
Rheostat
Gain
Factory Mutual
Hazardous Location
10. The electrical demand of a process. Load can be expressed or calculated as amps (current) - ohms (resistance) or watts (power).
Celsius
Load
Chatter
VF
11. The rapid on/off cycling of a relay caused by improper signal or adjustment - faulty contacts - or other malfunction.
Chatter
Conductor
Factory Mutual
Root Mean Square
12. The range of voltage needed to maintain operation of a control or device.
Conduction
Infrared
Operating Temperature
Supply Voltage
13. A circuit element or components that allows signals of certain frequencies to pass and blocks signals of other frequencies.
On/Off Controller
Filter
Transducer
SCR
14. A form of control where the power supplied to a process is controlled by limiting the phase angle of the line voltage.
PSID
Output
Phase Proportioning
Quartz
15. 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.'
Ground
Quality Control
Ingress Protection Ratings
Forward Voltage
16. The moving of electricity or heat through a conductor.
Conduction
Series Circuit
Quasiparticle
Thermocouple
17. The standard that is used to make comparison measurements or calibrations.
PID
Electrode
Electron
Working Standard
18. A fluctuation in the intensity of a steady current.
Ripple
Quap
Electric circuit
N.O.
19. The speed or time rate of change of displacement.
Velocity
Phase Proportioning
National Electrical Manufacturers Association
Voltage Drop
20. A positive (+) electrode. The point where electrons exit from a device to the external electric circuit.
Kilowatt Hour
Kilowatt
Momentary switch
Anode
21. Electrical energy produced by the action of heat.
Infrared
Latent heat
Thermoelectricity
Process Meter
22. Electric current passing through an electrolyte which produces chemical changes in it.
Ground
Kilovolt amperes
Electrolysis
Forward Voltage
23. LED; A solid state light source component that emits light or invisible infrared radiation.
Polarity
Zener Effect
Velocity
Light Emitting Diode
24. A unit of energy in solid-state physics with mass and momentum but that does not exist as a free particle.
Quasiparticle
Mean Temperature
Filament
Electrolyte
25. In a three phase connection all three phases are connected in series thus forming a closed circuit.
Farad
Kilowatt
Forward resistance
Delta
26. Pounds per square inch absolute. Pressure commonly in reference to vacuum.
Milliamp
PSIA
Kilowatt Hour
Resistance
27. The act of the opening of an electrical circuit.
Kilovolt
AWG
Beta
Break
28. -459.67
On/Off Controller
Electrode
N.C.
Absolute Zero
29. One millionth of a meter.
Volt
UHF
Infrared
Micron
30. A form of silicone dioxide. Commonly used in the making of radio transmitters and heat resistant products.
BTU
Isothermal
Quartz
Series Circuit
31. 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.
Field-Effect Transistor (FET)
Velocity
Bridge Rectifier
Conduit
32. An electrically conductive fused salt or a solution where the charge is carried by ionic movement.
International Brotherhood of Electrical Workers
Electrolyte
Conduit
Cycle Time
33. The current that is gained by a transistor when it is connected in a common emitter circuit.
Grounded Conductor
Efficiency
Power Supply
Beta
34. The amount of power that is consumed and converted to heat.
Efficiency
Phase
Quark
Power Dissipation
35. Symbol used for wye configuration for three phase electrical connections.
Hazardous Location
Cycle Time
Y
Grounding Conductor
36. An electrical resistor composed of semiconductor material - whose resistance is a known rapidly varying function of temperature.
Thermistor
Actuator
Canadian Standards Administration
Load
37. Pounds per square inch gage. Pressure in relationship to the ambient air pressure>
PSIG
Microamp
Electricity
Electrolyte
38. A switch in a controller that manually resets after exceeding the controllers limit.
RFI
Maximum Load Current
Manual Reset Switch
Momentary switch
39. The measure of the ability of a material or substance to carry electrical current.
Quartz
Conductance
Mueller Bridge
Cycle Time
40. A switching device used in switching high DC loads. It contains a small permanent magnet which deflects arc in order to quench it.
International Organization for Standardization
Magnetic Blow-out Switch
Kilowatt Hour
Transient
41. 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.
Pulse
Intrinsically safe
Momentary switch
Amplifier
42. See; 'Maximum Power Rating'.
VOM
Ripple
Maximum Load Current
PSID
43. A full path of electrical current from a voltage source that passes completely from one terminal of the voltage source to another.
XMTR
Circuit
PID
National Electrical Manufacturers Association
44. See; 'Proximity Sensor'.
Electroduct
Proximity Switch
Electron
Light Emitting Diode
45. A solid-state switching device for semiconductors to convert AC current in one of two directions controlled by an electrode.
Thyristor
Triac
Bridge Rectifier
VHF
46. The amount of time it takes for a device to react to an input signal.
Electrolysis
Underwriters Laboratories
Response Time
Micron
47. Radio Frequency Interference.
RFI
Underwriters Laboratories
Quasiparticle
Zener Effect
48. Current Consumption. The amount of amps or milliamps needed to maintain operation of a control or device.
Amplifier
Field cell
Supply Current
Conduit
49. 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.
Mean Temperature
Intrinsically safe
Electrolysis
Current Proportioning
50. A meter used to measure electrical resistance in units of ohms.
Ohmeter
Mil
Time Delay Before Availability
Forward Voltage