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Preguntas del test (61)
1electricity flows easily through it
- Ainsulators
- Bconductor
2is used to refer both to the study of electronics technology and to the equipment and devices that contain electronic components
- Aelectronics
- Bconductor
3have a very high resistance to the flow of electricity
- Ainsulators
- Belectrons
4is a fundamental atomic particle
- Aelectrons
- Bamperes
5is the flow of electrons in a medium of some type (such as cop per wire)
- ACurrent
- Bamperes
6 Current is measured in units called
- Aamperes
- BVoltage
7is the electrical pressure that forces electrons to flow through a medium
- AVoltage
- Bvolts
8Voltage is measured in units called
- Avolts
- BResistance
9is the opposition to current flow presented by a medium
- AResistance
- Bomega
10Resistance is measured in units called
- Aohms
- Bschematic diagram
11are used by technicians as a form of “shorthand” to show how components are connected in circuits
- Aschematic diagram
- Bnichrome
12The heating element in a toaster is made of a material called
- Anichrome
- Bresistive element
13The heating element’s property of opposing electric current causes it to get very hot when current flows through it
- Aresistive element
- Bresistor
14the schematic symbol that’s used to represent the heating element in the diagram is the symbol
- Aresistor
- Bcarbon resistor
15The resistive element in this type of resistor is carbon that’s mixed with some nonconducting substance
- Acarbon resistor
- Bwirewound resistor
16uses nichrome wire as the resistive element
- Awirewound resistor
- Balternating current
17alternating current
- A(AC)
- B(DC)
18direct current
- A(DC)
- Balternates
19reverses direction, repeatedly as it flows through the circuit
- Aalternates
- Bcycle
20One complete reversal of the AC current flow is called
- Acycle
- Bfrequency
21The rate at which the cycles occur is called
- Afrequency
- Bhertz
22Frequency is measured in units called
- Ahertz
- BAC current
23The process of rectification is accomplished in many electronic circuits by a component called
- Adiode
- Brectification
24The action of converting AC current to DC current is called
- Arectification
- Banode
25The two ends of a diode are called
- Athe anode and the cathode
- Bagainst the arrow
26are very efficient at converting small electric currents into visible light
- Alight-emitting diode
- BSensors
27are a broad group of components that are used to convert some kind of environmental event into electrical signals
- ASensors
- Bthermistor
28The sensor component that’s used in this type of application is called
- Athermistor
- Btransistor
29is an electronic component that’s used in many devices today
- Atransistor
- Bcollector
30 transistor has three leads
- Athe base, the emitter, and the collector
- Bamplification
31 When a transistor is connected into a circuit properly and an electrical signal is applied to its base, the signal will appear at the collector greatly in creased
- Aamplification
- Bprinted circuit board
32 the circuit components are connected to circuit paths etched on the circuit board
- Aprinted circuit board
- Binsulating board or substrate
33 a printed circuit board consists of a thin sheet of copper that’s laminated
- Ainsulating board or substrate
- Bcomponent side
34The components will be mounted from the substrate side of the board, which is often called
- Acomponent side
- Bfoil side
35The other side of the board that contains the conducting paths is called
- Afoil side
- Bintegrated circuit
36high-resolution photographic techniques were used to place more than one transistor on a single silicon chip or substrate
- Aintegrated circuit
- Bceramic
37is simply substituted for the power conversion circuits inside the piece of equipment that’s being tested
- Apower supply
- Btest equipment
38 is used to measure electrical values such as ohms, volts, and amperes in circuits
- Amultimeter
- Banalog
39an instrument that measures electrical signals and dis plays their wave forms
- Aoscilloscope
- Bintermittent
40 is a troubleshooting tool that’s used to produce simulated signals
- Asignal generator
- Bsimulation
41the machine should first be turned off, and then locked out and tagged to prevent another person from reenergizing the circuit while you’re working on it
- Alockout-and-tag procedure
- Bpower switch
42protect the eyes from dust, particles, and chemicals
- ASplash goggles
- Bface shield
43 is a cap like device that holds a clear plastic shield over the face
- Aface shield
- Bspecial eye protection
44Cylinders that contain dry nitrogen are connected through a system of valves
- Amanifold
- Bprecision instrumentation
45When absolutely all dirt and dust particles must be kept away from equipment, a special area called
- Aclean room
- Bairborne contaminants
46As an alternative to manufacturer’s repair service, independent companies called
- Athird-party maintenance firms
- Blarge company
47specialize in the maintenance of electronic equipment
- AService technicians
- Boffice technicians
48work involves the installation and testing of the equipment that automatically connects lines when customers dial telephone numbers
- ACentral-office technicians
- Belectronics technicians
49 work in factories and manufacturing plants, maintaining the equipment that’s used to support the manufacturing process
- AIndustrial electronics technicians
- Bcast technicians
50work in TV or radio stations to maintain and re pair the electronic equipment used to record and transmit programs
- ABroadcast technicians
- Bcontrol technicians
51consists of a combination of telephone lines, microwave earth stations, satellites, and computers that are linked together to form a complete data path over very long distances
- Adata transmission network
- Barea networks
52cover large geographical areas
- AWide area networks
- Barea networks
53serve private companies
- Alocal area networks
- Bsion network
54This type of technician may work on a network that covers a very large area (such as long-distance telephone equipment) or on a private computer network within a single building
- ANetwork control technicians
- Bwave technicians
55help design, test and install various parts of microwave communications systems
- AMicrowave technicians
- Bwork independe
56install, adjust, and maintain lasers and laser equipment
- ALaser technicians
- B(ETA)
57Technicians in your line have a very prestigious organization that offers certifications to those who have met their qualifications
- AElectronics Technicians Association
- Bcertification exam
58pro gram has accredited electronics technicians worldwide who excel in various areas of electronics equipment service and support
- AInternational Certified Electronics Technicians
- Bcertification exam
59 are communication skills that strengthen understanding between persons.
- APeople skills
- Bskills talks
60This organization can provide you with information on the latest developments in thetelecommunications industry
- ANational Telecommunications and Information Administration
- Btelecommunications
61is an international organization of voice and data communications professionals that’s dedicated to improving the competence of its members and maintaining the highest level of professionalism
- ASociety of Telecommunications Consultants
- BSociety can provide information
Información
- Descripción
- Test sobre Sin título, creado por Marquiz Watkins el 22/09/2020.
- Autor
- Marquiz Watkins
- Idioma
- English
- Visitas
- 2
- Etiquetas
- Valoración
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