Displaying 1 to 10 of 36 Questions. You are on Page No. 1 of total 4 pages
Question: What does AM mean?
Angelo marconi
Anno median
Amplitude modulation
Amperes
Incorrect Answer
Correct Answer Amplitude modulation was the first type to be used in radio. It works well with HF and morse code.
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Question: What frequency range is the High Frequency band?
100 kHz
1 GHz
30 to 300 MHz
3 to 30 MHz
Incorrect Answer
Correct Answer The HF band is based on frequencies 3 to 30 Mhz. AM radio stations are in the HF band but normally are stated in kilohertz.
Electronics Quiz , Technology Quiz
Question: What does AM mean?
Angelo marconi
Anno median
Amplitude modulation
Amperes
Incorrect Answer
Correct Answer Amplitude modulation was the first type to be used in radio. It works well with HF and morse code.
Electronics Quiz , Technology Quiz
Question: What frequency range is the High Frequency band?
100 kHz
1 GHz
30 to 300 MHz
3 to 30 MHz
Incorrect Answer
Correct Answer The HF band is based on frequencies 3 to 30 Mhz. AM radio stations are in the HF band but normally are stated in kilohertz.
Electronics Quiz , Technology Quiz
Question: What does EPROM stand for?
Electric Programmable Read Only Memory
Erasable Programmable Read Only Memory
Evaluable Philotic Random Optic Memory
Every Person Requires One Mind
Incorrect Answer
Correct Answer A chip found in alomst every microprocessor...
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Question: What does the term PLC stand for?
Programmable Lift Computer
Program List Control
Programmable Logic Controller
Piezo Lamp Connector
Incorrect Answer
Correct Answer Used in manufacturing, engineering, and process operations.
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Question: Which motor is NOT suitable for use as a DC machine?
Permanent magnet motor
Series motor
Squirrel cage motor
Synchronous motor
Incorrect Answer
Correct Answer The squirrel cage motor is the only one without any connection to the armature.
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Question: What does VVVF stand for?
Variant Voltage Vile Frequency
Variable Velocity Variable Fun
Very Very Vicious Frequency
Variable Voltage Variable Frequency
Incorrect Answer
Correct Answer It is a method of controlling the speed of an AC induction motor, whereby speed, current and torque can all be accurately controlled.
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Question: The sampling rate, (how many samples per second are stored) for a CD is...?
48.4 kHz
22,050 Hz
44.1 kHz
48 kHz
Incorrect Answer
Correct Answer CDs reproduce 44,100 samples per second. Which has a maximum frequency reproduction of 22,050 Hz, or just a hair past the upper limit of human hearing. In this way CDs can theoretically reproduce any frequency in the human hearing range.
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Question: Compact discs, (according to the original CD specifications) hold how many minutes of music?
74 mins
56 mins
60 mins
90 mins
Incorrect Answer
Correct Answer According to many stories surrounding the origin of the compact disc, 74 minutes was settled on because it would comfortably contain all of Beethoven's 9th symphony on one disc. Although some stories reference a specific Sony higher-up who claimed this as his favorite piece of music, stories differ. All that's known for sure is that Sony insisted on this and won out over Phillips' original 60 minute proposal.
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