Technology Quiz - Part 1
1) Some lasers are referred to as being “cw.” What does “cw” mean?
1) Circular wave
2) Constant white
3) Continuous wave
4) Clear white
2) 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
3) What are three types of lasers?
1) Gas, metal vapor, rock
2) Pointer, diode, CD
3) Diode, inverted, pointer
4) Gas, solid state, diode
4) 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
5) After the first photons of light are produced, which process is responsible for amplification of the light?
1) Blackbody radiation
2) Stimulated emission
3) Planck’s radiation
4) Einstein oscillation
6) 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) Planck’s oscillation
7) 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
8) What does AM mean?
1) Angelo marconi
2) Anno median
3) Amplitude modulation
4) Amperes
9) What frequency range is the High Frequency band?
1) 100 kHz
2) 1 GHz
3) 30 to 300 MHz
4) 3 to 30 MHz
10) What does AM mean?
1) Angelo marconi
2) Anno median
3) Amplitude modulation
4) Amperes
11) What frequency range is the High Frequency band?
1) 100 kHz
2) 1 GHz
3) 30 to 300 MHz
4) 3 to 30 MHz
12) 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
13) What does the term PLC stand for?
1) Programmable Lift Computer
2) Program List Control
3) Programmable Logic Controller
4) Piezo Lamp Connector
14) 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
15) 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
16) 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
17) 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
18) 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
19) 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
20) Which consists of two plates separated by a dielectric and can store a charge?
1) Inductor
2) Capacitor
3) Transistor
4) Relay
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