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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.
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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 adjustment of a display that results are zero on the display corresponding to a non-zero signal.
Light Emitting Diode
Zero Adjustment
Manual Reset Switch
Actuator
2. Two dissimilar metals connected at a point - that produce an electrical current whose magnitude is dependent upon the temperature at the junction point.
Magnetic Blow-out Switch
Thermocouple
CMV
Ampere
3. Electric current passing through an electrolyte which produces chemical changes in it.
Thyristor
Electrolysis
Forward Voltage
Maximum Operating Temperature
4. Or Hertz; The measurement of the time period of one alternating electric current. In the United States this is commonly 60 cycles per second - or 60 Hertz.
Thyristor
Environmental Protection Agency
Institute of Electrical and Electronics Engineers
Cycle
5. 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.
Plasma
Zero Adjustment
Chatter
Transducer
6. A hypothetical nuclear of a quark plus an antiproton.
Quark
Quap
Institute of Electrical and Electronics Engineers
Transient
7. ISA;
Frequency
Transistor
Instrument Society of America
Magnetic Flux
8. LED; A solid state light source component that emits light or invisible infrared radiation.
Light Emitting Diode
Watt-hour
Anode
PSIA
9. Electric and magnetic force field that surrounds a moving electric charge.
International Electrotechnical Commission
Electromagnetic field
Infrared
Watt
10. One millionth of an amp.
Rheostat
SCR
Transistor
Microamp
11. See; 'Proximity Sensor'.
Zener Diode
Actuator
Proximity Switch
Grounded Conductor
12. A high-intensity incandescent lamp with a quartz bulb containing an inert gas of iodine or bromine vapor.
Hard Wired
Amp
Conduit
Quartziodine Lamp
13. A form of control where the power supplied to a process is controlled by limiting the phase angle of the line voltage.
CMV
Electric circuit
Actuator
Phase Proportioning
14. 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.
Output
Thermocouple
Thermistor
Bridge Rectifier
15. The standard that is used to make comparison measurements or calibrations.
N.O.
Root Mean Square
Electrodynamic
Working Standard
16. The modification of a signal that causes the output to remain energized until it is released by intent.
Latching logic
Conduction
Anode
Quantum
17. (AC); Electrical current that changes (or alternates) in magnitude and direction of the current at regular intervals.
RTD
Alternating Current
Underwriters Laboratories
National Electrical Manufacturers Association
18. The range of voltage needed to maintain operation of a control or device.
Mueller Bridge
Voltage Drop
Supply Voltage
Frequency
19. One thousandth of an inch.
Volt
Proximity Sensor
Mil
National Electrical Code
20. 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.
Transducer
Infrared
Ohm
Institute of Electrical and Electronics Engineers
21. Very High Frequency.
Proximity Sensor
VHF
Environmental Protection Agency
Voltmeter
22. 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.
Electromagnetic field
Delta
X ray
Occupational Safety & Health Administration
23. 'American Wire Gauge' system used to determine wire size.
Conductor
Zener Effect
Infrared
AWG
24. The basic of thermal energy. The work done by the force of one newton acting through a distance of one meter.
Efficiency
Rectifier
Electrodynamic
Joule
25. 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.
Transient
Magnetic Flux
Electrochemistry
Current Proportioning
26. The time delay between the output signal and the response time of the receiver of the signal.
Lag
Gain
Y
RFI
27. The difference in potential measured between two points caused by resistance or impedance.
Electrodynamic
Voltage Drop
Vector
Grounded Conductor
28. The amount of time it takes for a device to react to an input signal.
Thyristor
Amplifier
Conductor
Response Time
29. A negative (-) electrode. The point of entry of electrons into a device from an external circuit. The negative electrode of a semiconductor diode.
Cathode
Triac
UHF
Microvolt
30. Symbol for Mega - one million.
Electrolysis
Operating Temperature
Grounded Conductor
M
31. A device incorporating semiconductor material and suitable contacts capable of performing electrical functions (such as voltage - current or power amplification) with low power requirements.
Frequency
Underwriters Laboratories
Ripple
Transistor
32. A solid-state switching device used in switching AC wave forms.
Ampere
Kilovolt
Triac
Interface
33. A switch with contacts that are made with actuating force and released when that force is removed.
Filament
Ingress Protection Ratings
Momentary switch
Milliamp
34. The power of one watt operating for one hour - and equal to 3 -600 joules.
Thermocouple
Watt-hour
Potentiometer
Relay
35. A silicone semiconductor that maintains a fixed voltage in a circuit.
Capacitor
CMV
Zener Diode
Phase Proportioning
36. The mechanism of a switch which operates the contacts.
Canadian Standards Administration
Break
Actuator
XFMR
37. See; 'Maximum Power Rating'.
Quartz
Maximum Load Current
Kilovolt amperes
On/Off Controller
38. A three mode control consisting of time Proportioning - Integral and Derivative rate action.
Watt
PID
Celsius
Magnetic Flux
39. The interaction of magnetism and electrical current.
Isothermal
Electrodynamic
N.O.
Kilowatt
40. IEEE;
Grounded Conductor
Institute of Electrical and Electronics Engineers
Impedance
Latent heat
41. A process that is kept at a constant temperature.
Output
Chatter
Isothermal
Phase Proportioning
42. A connected path to earth or to a conductive body that has a reference potential to earth.
Field-Effect Transistor (FET)
Grounded
Micron
Mueller Bridge
43. One of the very small discrete packets into which many forms of energy are subdivided.
Quantum
Load
Power Supply
Efficiency
44. The energy delivered by a circuit or device. The electrical signal produced by the input to the transducer.
Mil
Transient Protection
Grounded
Output
45. A variable resistor.
Isothermal
Electron
Rheostat
Ground
46. NEMA;
Circuit
International Electrotechnical Commission
Grounded Conductor
National Electrical Manufacturers Association
47. UL; ~LINK~
Conductance
Voltage Drop
Mueller Bridge
Underwriters Laboratories
48. Pressure that is less than atmospheric pressure.
Vacuum
Thermocouple
Open Circuit
Rectifier
49. The resistance to electrical current. Resistance is measured in ohms.
Resistance
Lag
Quap
Impedance
50. The method by which two devices or systems are connected and interact with each other.
Charge
International Electrotechnical Commission
Interface
Impedance
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