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Electrical Components
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Subject
:
engineering
Instructions:
Answer 50 questions in 15 minutes.
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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 behavior of charged particles and the steady motion of charge in magnetic and electric fields.
Electrokinetics
Dilectric
Output
Filter
2. A high-intensity incandescent lamp with a quartz bulb containing an inert gas of iodine or bromine vapor.
Quartziodine Lamp
Milliamp
Flux
Actuator
3. NEMA;
Electrochemistry
Watt
National Electrical Manufacturers Association
Chatter
4. Kw; One thousand watts.
Bridge Rectifier
Kilowatt
Vector
Impedance
5. Silicone Controlled Rectifier.
Delta
Electron
SCR
Electroduct
6. 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.
Load
Charge
Series Circuit
VOM
7. Normally Open.
N.O.
Filter
Vector
Thyristor
8. Electric current passing through an electrolyte which produces chemical changes in it.
Electrolysis
Electromagnetic field
On/Off Controller
VHF
9. A region of space that surrounds a moving electrical charge or a magnetic pole - in which the electrical charge or magnetic pole experiences a force that is above the electrostatic ones associated with particles at rest.
Magnetic Field
Current Proportioning
Ingress Protection Ratings
Ground
10. A temperature scale. Also known as centigrade. Sea level water will freeze at 0
Celsius
Factory Mutual
Microamp
Grounded Conductor
11. The standard unit of magnetic flux.
XFMR
Weber
Kilowatt
Institute of Electrical and Electronics Engineers
12. The difference in potential measured between two points caused by resistance or impedance.
Filament
Transducer
Voltage Drop
Potentiometer
13. The standard that is used to make comparison measurements or calibrations.
Kilowatt Hour
Microvolt
Working Standard
Ohmeter
14. A hypothetical nuclear of a quark plus an antiproton.
AWG
Quap
XFMR
Phase
15. Mm; One thousandth of a meter.
Millimeter
PSID
On/Off Controller
Proximity Switch
16. A positive (+) electrode. The point where electrons exit from a device to the external electric circuit.
Manual Reset Switch
Actuator
Occupational Safety & Health Administration
Anode
17. A meter used to measure electrical resistance in units of ohms.
Ohmeter
AWG
Resistance
Phase
18. The magnitude and time phase of a quantity - represented by a plotted line.
Vector
Conduit
Zero Adjustment
Kilowatt Hour
19. An area in which combustible or flammable mixtures are or could be present.
Hazardous Location
Operating Temperature
Impedance
Interface
20. A unit of electrical current named after French physicist Andr
National Fire Protection Association
Supply Current
International Brotherhood of Electrical Workers
Ampere
21. The output that is produced when one or more inputs are present.
OR Logic
Ingress Protection Ratings
Forward resistance
Anode
22. Very High Frequency.
Process Meter
Capacitor
Thyristor
VHF
23. A device having two terminals and has a low resistance to electrical current in one direction and a high resistance in the other direction.
RTD
Canadian Standards Administration
Charge
Diode
24. Current Consumption. The amount of amps or milliamps needed to maintain operation of a control or device.
International Electrotechnical Commission
System International
Electrolysis
Supply Current
25. Response to the change in the level of the input signal.
Quartz
Watt
Field cell
Threshold Response
26. The delayed period of time when outputs are turned off when power is initially applied.
Time Delay Before Availability
Relay
XFMR
Conduit
27. 'Common Mode Voltage.' The voltage which is tolerable between signal and ground.
Absolute Zero
Thyristor
Interface
CMV
28. A device - instrument or component that will not produce any spark or thermal effects under any conditions that are normal or abnormal that will ignite a specified gas mixture. Electrical and thermal energy limits are at levels incapable of causing i
BTU
UHF
Polarity
Intrinsically safe
29. Symbol used to denote transformer.
Ripple
Manual Reset Switch
XFMR
Watt-hour
30. A sensor or switch with the ability to detect it's relationship to a metal target without making physical contact.
Proximity Sensor
Thermocouple
Field-Effect Transistor (FET)
Grounded Conductor
31. IBEW;
International Brotherhood of Electrical Workers
Anode
Magnetic Field
Electromagnetic field
32. An electrically conductive fused salt or a solution where the charge is carried by ionic movement.
Transistor
Electrolyte
N.C.
Quasiparticle
33. A sudden and unwanted increase or decrease of supply voltage or current.
Break
Transient
VF
Power Dissipation
34. A device that converts AC voltage to pulsating DC voltage.
VF
Rectifier
Dilectric
Light Emitting Diode
35. The electrical demand of a process. Load can be expressed or calculated as amps (current) - ohms (resistance) or watts (power).
Q-value
Alternating Current
International Brotherhood of Electrical Workers
Load
36. To close an electrical circuit. To establish an electrical circuit through the closing of a contact - switch or other related device.
Make
Millivolt
Instrument Society of America
Mil
37. A switch with contacts that are made with actuating force and released when that force is removed.
Triac
Momentary switch
Electromagnet
Proximity Switch
38. The modification of a signal that causes the output to remain energized until it is released by intent.
Cycle Time
Conductor
Latching logic
Process Meter
39. The speed or time rate of change of displacement.
Intrinsically safe
Velocity
Triac
Quantum
40. The maximum watts that a device can safely handle.
Maximum Power Rating
Actuator
Ingress Protection Ratings
Electrolyte
41. An electromagnetic radiation produced when the inner satellite electrons of heavy atoms have been excited by collision with a stream of fast electrons return to their ground state - giving up the energy previously imparted to them.
X ray
Rheostat
Impedance
SCR
42. The opposition to electrical flow.
Ohm
Electroduct
Field cell
Impedance
43. A connected path to earth or to a conductive body that has a reference potential to earth.
Grounded
Latent heat
Rectifier
Zener Diode
44. Applying molecular physics to electronics.
Electromagnetic field
Quantum Electronics
Plasma
Amp
45. See; 'Proximity Sensor'.
Weber
Electricity
Resistance
Proximity Switch
46. A three terminal semiconductor device. In a 'FET' the current is from source to drain because a conducting channel is formed by a voltage field between the gate and the source.
Field-Effect Transistor (FET)
Microvolt
Electroduct
Diode
47. A three mode control consisting of time Proportioning - Integral and Derivative rate action.
Ohmeter
AWG
PID
Latching logic
48. A highly accurate bridge configuration that is used to measure three-wire RTD thermometers.
National Electrical Manufacturers Association
Mueller Bridge
PSID
Plasma
49. Voltage; The unit of electromotive force (EMF) that causes current to flow. One volt causes a current of one amp through a resistance of one ohm.
Manual Reset Switch
Volt
Impedance
Hazardous Location
50. A fundamental negatively (-) charged atomic particle that rotates around a positively (+) charged nucleus of the atom.
VF
Manual Reset Switch
Q-value
Electron
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