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Test your basic knowledge |
Electrical Components
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Study First
Subject
:
engineering
Instructions:
Answer 50 questions in 15 minutes.
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study here
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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 moving of electricity or heat through a conductor.
Quark
Conduction
Y
Dilectric
2. The pronounced curvature in reverse voltage current that is characteristic of a diode.
Ohm
Electrochemistry
Supply Voltage
Zener Effect
3. One of the very small discrete packets into which many forms of energy are subdivided.
Relay
Power Supply
Momentary switch
Quantum
4. A coil of wire wound about a magnetic material - such as iron - that produces a magnetic field when current flows through the wire.
Process Meter
Electromagnet
Isothermal
Diode
5. kV; One thousand volts.
Kilovolt
Hard Wired
Electric circuit
Voltmeter
6. NFPA;
National Fire Protection Association
UHF
Watt-hour
Absolute Zero
7. The maximum watts that a device can safely handle.
Maximum Power Rating
Quantum
Filament
Quasiparticle
8. A unit of energy in solid-state physics with mass and momentum but that does not exist as a free particle.
Fluorescent
Filament
Electrolysis
Quasiparticle
9. Variable Frequency.
Q-value
VF
Maximum Power Rating
PSIG
10. Very High Frequency.
Instrument Society of America
VHF
Thermoelectricity
Series Circuit
11. A highly accurate bridge configuration that is used to measure three-wire RTD thermometers.
Grounded Conductor
Ohm
Process Meter
Mueller Bridge
12. A device that transfers power or energy from one system to another - such as taking a physical quality and changing it to an electrical signal.
Impedance
Current Proportioning
Phase
Transducer
13. The speed or time rate of change of displacement.
Mueller Bridge
N.O.
Vector
Velocity
14. A form of silicone dioxide. Commonly used in the making of radio transmitters and heat resistant products.
Quartz
Working Standard
Quantum
Kilowatt
15. In a three phase connection all three phases are connected in series thus forming a closed circuit.
Modulated Light Source Control
Delta
Interface
Isothermal
16. European environmental ratings. Similar to NEMA ratings in the USA. IP;*site has NEMA comparisons ~LINK~
M
Threshold Response
Latent heat
Ingress Protection Ratings
17. Kwh; One thousand watt-hours.
Kilowatt Hour
Relay
Rectifier
Vector
18. 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.
BTU
Power Supply
Volt
Operating Temperature
19. The method by which two devices or systems are connected and interact with each other.
Dilectric
Supply Current
Kilovolt
Interface
20. -459.67
Absolute Zero
Transducer
Kilovolt amperes
Grounded
21. The electrical demand of a process. Load can be expressed or calculated as amps (current) - ohms (resistance) or watts (power).
Electrodynamic
Quantum
Load
Delta
22. A hypothetical nuclear of a quark plus an antiproton.
Y
Electrode
Quality Control
Quap
23. MA; One thousandth of an amp.
Milliamp
Amplifier
CMV
National Fire Protection Association
24. Protective circuitry to guard against spikes that might be induced on the supply line.
Power Supply
Open Circuit
Transient Protection
Kilowatt
25. NEC: A set of regulations pertaining to electrical installation and design in the interest of the protection of life and property. The NEC is adopted by NFPA and approved by ANSI. It is the preferred standard of guidelines used by most electrical reg
Environmental Protection Agency
Magnetic Flux
Mean Temperature
National Electrical Code
26. 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
Frequency
Hazardous Location
Diode
27. Electric and magnetic force field that surrounds a moving electric charge.
Electromagnetic field
Current
Quartz
Load
28. RMS; AC voltage that equals DC voltage that will do the same amount of work. For an AC sine wave it is 0.707 x peak voltage.
Root Mean Square
Quality Control
Electricity
Electroduct
29. The adjustment of a display that results are zero on the display corresponding to a non-zero signal.
Electrolysis
Zero Adjustment
Voltmeter
Diode
30. Resistance Temperature Detector.
RTD
UHF
System International
Cathode
31. 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.
Transistor
Current Proportioning
Thermistor
Leakage current
32. Pounds per square inch gage. Pressure in relationship to the ambient air pressure>
Fluorescent
Rectifier
Ground
PSIG
33. ANSI;
X ray
American National Standards Institute
Root Mean Square
Electricity
34. 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.
On/Off Controller
Electrolyte
VF
Field-Effect Transistor (FET)
35. The basic of thermal energy. The work done by the force of one newton acting through a distance of one meter.
Joule
Electrolyte
PSIG
Anode
36. The element inside a vacuum tube - incandescent lamp or other similar device.
Intrinsically safe
Isothermal
Open Circuit
Filament
37. The mechanism of a switch which operates the contacts.
Actuator
Factory Mutual
Working Standard
Ohm
38. Current Consumption. The amount of amps or milliamps needed to maintain operation of a control or device.
Fluorescent
Ingress Protection Ratings
Supply Current
System International
39. The conductor that is used by intent to connect the grounded circuit of an electrical wiring system or equipment to a grounding electrode with reference to earth.
Leakage current
Polarity
OR Logic
Grounding Conductor
40. That part of a circuit which is physically interconnected.
National Electrical Manufacturers Association
Hard Wired
Millimeter
Maximum Power Rating
41. OSHA;
Cycle Time
Electrokinetics
Occupational Safety & Health Administration
Process Meter
42. A three mode control consisting of time Proportioning - Integral and Derivative rate action.
PID
Voltage Drop
Power Supply
Lag
43. FM; ~LINK~
X ray
Electron
Joule
Factory Mutual
44. 'British Thermal Unit' - the amount of thermal energy required to raise one pound of water 1degree F. One BTU is equal to .293 watt hours. One kWh is equal to 3412 BTUs.
Velocity
Filter
BTU
Zero Adjustment
45. 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.
Electrolyte
Actuator
Infrared
Diode
46. A meter used to measure units of volts.
Filter
Voltmeter
Quartziodine Lamp
American National Standards Institute
47. The act of the opening of an electrical circuit.
Quark
Electromagnetic field
Electrokinetics
Break
48. Normally Open.
N.O.
Conductor
PSID
Delta
49. A high-intensity incandescent lamp with a quartz bulb containing an inert gas of iodine or bromine vapor.
Plasma
Triac
Quartziodine Lamp
Quality Control
50. 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(-).
Charge
National Electrical Manufacturers Association
Modulated Light Source Control
Anode
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