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Baskar
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PostSubject: Technology Quiz   Mon Jan 21, 2008 1:48 pm

Question: Some lasers are referred to as being cw. What does cw mean?

1) Circular wave
2) Constant white
3) Continuous wave
4) Clear white


Science Quiz, Technology Quiz
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Question: What is the process responsible for producing photons in a diode laser?

1) Fermi level shift
2) Majority carrier injection
3) Carrier freeze out
4) Electron-hole recombination


Science Quiz, Technology Quiz
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Question: What are three types of lasers?

1) Gas, metal vapor, rock
2) Pointer, diode, CD
3) Diode, inverted, pointer
4) Gas, solid state, diode


Science Quiz, Technology Quiz
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Question: What was the active medium used in the first working laser ever constructed?

1) A diamond block
2) Helium-neon gas
3) A ruby rod
4) Carbon dioxide gas


Science Quiz, Technology Quiz
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Question: After the first photons of light are produced, which process is responsible for amplification of the light?

1) Blackbody radiation
2) Stimulated emission
3) Plancks radiation
4) Einstein oscillation


Science Quiz, Technology Quiz
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Question: Once the active medium is excited, the first photons of light are produced by which physical process?

1) Blackbody radiation
2) Spontaneous emission
3) Synchrotron radiation
4) Plancks oscillation


Science Quiz, Technology Quiz
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Question: The first step to getting output from a laser is to excite an active medium. What is this process called?

1) Pumping
2) Exciting
3) Priming
4) Raising


Science Quiz, Technology Quiz
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Question: What does AM mean?

1) Angelo marconi
2) Anno median
3) Amplitude modulation
4) Amperes


Electronics Quiz, Technology Quiz
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Question: What frequency range is the High Frequency band?

1) 100 kHz
2) 1 GHz
3) 30 to 300 MHz
4) 3 to 30 MHz


Electronics Quiz, Technology Quiz
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Question: What does AM mean?

1) Angelo marconi
2) Anno median
3) Amplitude modulation
4) Amperes


Electronics Quiz, Technology Quiz
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Question: What frequency range is the High Frequency band?

1) 100 kHz
2) 1 GHz
3) 30 to 300 MHz
4) 3 to 30 MHz


Electronics Quiz, Technology Quiz
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Question: What does EPROM stand for?

1) Electric Programmable Read Only Memory
2) Erasable Programmable Read Only Memory
3) Evaluable Philotic Random Optic Memory
4) Every Person Requires One Mind


Electronics Quiz, Technology Quiz
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Question: What does the term PLC stand for?

1) Programmable Lift Computer
2) Program List Control
3) Programmable Logic Controller
4) Piezo Lamp Connector


Electronics Quiz, Technology Quiz
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Question: Which motor is NOT suitable for use as a DC machine?

1) Permanent magnet motor
2) Series motor
3) Squirrel cage motor
4) Synchronous motor


Electronics Quiz, Technology Quiz
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Question: What does VVVF stand for?

1) Variant Voltage Vile Frequency
2) Variable Velocity Variable Fun
3) Very Very Vicious Frequency
4) Variable Voltage Variable Frequency


Electronics Quiz, Technology Quiz
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Question: The sampling rate, (how many samples per second are stored) for a CD is...?

1) 48.4 kHz
2) 22,050 Hz
3) 44.1 kHz
4) 48 kHz


Computers Quiz, Electronics Quiz, Technology Quiz
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Question: Compact discs, (according to the original CD specifications) hold how many minutes of music?

1) 74 mins
2) 56 mins
3) 60 mins
4) 90 mins


Computers Quiz, Electronics Quiz, Technology Quiz
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Question: Sometimes computers and cash registers in a foodmart are connected to a UPS system. What does UPS mean?

1) United Parcel Service
2) Uniform Product Support
3) Under Paneling Storage
4) Uninterruptable Power Supply


Electronics Quiz, Technology Quiz
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Question: What does AC and DC stand for in the electrical field?

1) Alternating Current and Direct Current
2) A Rock Band from Australia
3) Average Current and Discharged Capacitor
4) Atlantic City and District of Columbia


Electronics Quiz, Technology Quiz
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Question: Which consists of two plates separated by a dielectric and can store a charge?

1) Inductor
2) Capacitor
3) Transistor
4) Relay


Electronics Quiz, Technology Quiz
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