Spectrum Field Tech Exam ACTUAL
QUESTIONS AND CORRECT ANSWERS
Current/ amperage - CORRECT ANSWER Flow or movement of electric charges
Resistor - CORRECT ANSWER a passive two-terminal material that impedes the flow
of current
What is the most common workplace hazard involving electricity? - CORRECT
ANSWER Electrical shocks
What is minimum approach distance? - CORRECT ANSWER The shortest safe
distance to keep from energized conductors
CATV at the pole - CORRECT ANSWER 40''
CATV at the mid-span - CORRECT ANSWER 24''
CATV at the house - CORRECT ANSWER 12''
Live parts of electric equipment must be guarded against at how many volts? - CORRECT
ANSWER 50 volts
What are the 2 kinds of grounds required by Safety standards for electrical systems? -
CORRECT ANSWER Service and Equipment
What are circuit protection devices designed to do? - CORRECT
ANSWER Automatically limit or shift off the flow of electricity in the event of a
ground fault, overload, or short circuit in the wiring system
, OSHA - CORRECT ANSWER Occupational Safety and Health Administration
CATV - CORRECT ANSWER Community Antenna Television
HFC - CORRECT ANSWER Hybrid Fiber Coax
What are the four sources of signals? - CORRECT ANSWER Satellite, local
origination, off air, fiber optics
Forward - CORRECT ANSWER 54 MHz-1 GHz
G.B. - CORRECT ANSWER Guard Band
Return - CORRECT ANSWER 5-42 MHz
Downstream (forward path) - CORRECT ANSWER Forward signal from the headend
to a customer
Upstream (reverse path) - CORRECT ANSWER Return signal from a customer to the
headend
Signal frequency - CORRECT ANSWER Number of times that an RF signal completes
a cycle from a positive value to a negative value and back in one second
Ultrasonic frequencies are higher than what? - CORRECT ANSWER Audio
Infrasonic frequencies are below what? - CORRECT ANSWER Audio
How many hertz can the human ear hear? - CORRECT ANSWER 20-20,000
QUESTIONS AND CORRECT ANSWERS
Current/ amperage - CORRECT ANSWER Flow or movement of electric charges
Resistor - CORRECT ANSWER a passive two-terminal material that impedes the flow
of current
What is the most common workplace hazard involving electricity? - CORRECT
ANSWER Electrical shocks
What is minimum approach distance? - CORRECT ANSWER The shortest safe
distance to keep from energized conductors
CATV at the pole - CORRECT ANSWER 40''
CATV at the mid-span - CORRECT ANSWER 24''
CATV at the house - CORRECT ANSWER 12''
Live parts of electric equipment must be guarded against at how many volts? - CORRECT
ANSWER 50 volts
What are the 2 kinds of grounds required by Safety standards for electrical systems? -
CORRECT ANSWER Service and Equipment
What are circuit protection devices designed to do? - CORRECT
ANSWER Automatically limit or shift off the flow of electricity in the event of a
ground fault, overload, or short circuit in the wiring system
, OSHA - CORRECT ANSWER Occupational Safety and Health Administration
CATV - CORRECT ANSWER Community Antenna Television
HFC - CORRECT ANSWER Hybrid Fiber Coax
What are the four sources of signals? - CORRECT ANSWER Satellite, local
origination, off air, fiber optics
Forward - CORRECT ANSWER 54 MHz-1 GHz
G.B. - CORRECT ANSWER Guard Band
Return - CORRECT ANSWER 5-42 MHz
Downstream (forward path) - CORRECT ANSWER Forward signal from the headend
to a customer
Upstream (reverse path) - CORRECT ANSWER Return signal from a customer to the
headend
Signal frequency - CORRECT ANSWER Number of times that an RF signal completes
a cycle from a positive value to a negative value and back in one second
Ultrasonic frequencies are higher than what? - CORRECT ANSWER Audio
Infrasonic frequencies are below what? - CORRECT ANSWER Audio
How many hertz can the human ear hear? - CORRECT ANSWER 20-20,000
