Spectrum Field Tech Questions and Answers 100% Pass
Current/ amperage - ANSWER -Flow or and Health Administration
movement of electric charges
CATV - ANSWER -Community Antenna
Resistor - ANSWER -a passive two- Television
terminal material that impedes the flow of current
HFC - ANSWER -Hybrid Fiber Coax
What is the most common workplace hazard
involving electricity? - ANSWER -Electrical
shocks What are the four sources of signals? -
ANSWER -Satellite, local origination, off air,
fiber optics
What is minimum approach distance? -
ANSWER -The shortest safe distance to
keep from energized conductors Forward - ANSWER -54 MHz-1 GHz
CATV at the pole - ANSWER -40'' G.B. - ANSWER -Guard Band
CATV at the mid-span - ANSWER -24'' Return - ANSWER -5-42 MHz
CATV at the house - ANSWER -12'' Downstream (forward path) - ANSWER -
Forward signal from the headend to a customer
Live parts of electric equipment must be guarded
against at how many volts? - ANSWER -50 Upstream (reverse path) - ANSWER -
volts Return signal from a customer to the headend
What are the 2 kinds of grounds required by Signal frequency - ANSWER -Number of
Safety standards for electrical systems? - times that an RF signal completes a cycle from a
ANSWER -Service and Equipment positive value to a negative value and back in
one second
What are circuit protection devices designed to
do? - ANSWER -Automatically limit or shift Ultrasonic frequencies are higher than what? -
off the flow of electricity in the event of a ground ANSWER -Audio
fault, overload, or short circuit in the wiring
system
Infrasonic frequencies are below what? -
ANSWER -Audio
OSHA - ANSWER -Occupational Safety
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Current/ amperage - ANSWER -Flow or and Health Administration
movement of electric charges
CATV - ANSWER -Community Antenna
Resistor - ANSWER -a passive two- Television
terminal material that impedes the flow of current
HFC - ANSWER -Hybrid Fiber Coax
What is the most common workplace hazard
involving electricity? - ANSWER -Electrical
shocks What are the four sources of signals? -
ANSWER -Satellite, local origination, off air,
fiber optics
What is minimum approach distance? -
ANSWER -The shortest safe distance to
keep from energized conductors Forward - ANSWER -54 MHz-1 GHz
CATV at the pole - ANSWER -40'' G.B. - ANSWER -Guard Band
CATV at the mid-span - ANSWER -24'' Return - ANSWER -5-42 MHz
CATV at the house - ANSWER -12'' Downstream (forward path) - ANSWER -
Forward signal from the headend to a customer
Live parts of electric equipment must be guarded
against at how many volts? - ANSWER -50 Upstream (reverse path) - ANSWER -
volts Return signal from a customer to the headend
What are the 2 kinds of grounds required by Signal frequency - ANSWER -Number of
Safety standards for electrical systems? - times that an RF signal completes a cycle from a
ANSWER -Service and Equipment positive value to a negative value and back in
one second
What are circuit protection devices designed to
do? - ANSWER -Automatically limit or shift Ultrasonic frequencies are higher than what? -
off the flow of electricity in the event of a ground ANSWER -Audio
fault, overload, or short circuit in the wiring
system
Infrasonic frequencies are below what? -
ANSWER -Audio
OSHA - ANSWER -Occupational Safety
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