SPECTRUM FIELD TECHNICIAN FINAL EXAM
2024/2025 FALL-SPRING QTR VERIFIED QUESTIONS
AND ANSWERS
Current/ amperage
Flow or movement of electric charges
Resistor
a passive two-terminal material that impedes the flow of current
What is the most common workplace hazard involving electricity?
Electrical shocks
What is minimum approach distance?
The shortest safe distance to keep from energized conductors
CATV at the pole
40''
,CATV at the mid-span
24''
CATV at the house
12''
Live parts of electric equipment must be guarded against at how many volts?
50 volts
What are the 2 kinds of grounds required by Safety standards for electrical
systems?
Service and Equipment
What are circuit protection devices designed to do?
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
Occupational Safety and Health Administration
CATV
Community Antenna Television
HFC
Hybrid Fiber Coax
What are the four sources of signals?
Satellite, local origination, off air, fiber optics
Forward
54 MHz-1 GHz
G.B.
Guard Band
, Return
5-42 MHz
Downstream (forward path)
Forward signal from the headend to a customer
Upstream (reverse path)
Return signal from a customer to the headend
Signal frequency
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?
Audio
Infrasonic frequencies are below what?
2024/2025 FALL-SPRING QTR VERIFIED QUESTIONS
AND ANSWERS
Current/ amperage
Flow or movement of electric charges
Resistor
a passive two-terminal material that impedes the flow of current
What is the most common workplace hazard involving electricity?
Electrical shocks
What is minimum approach distance?
The shortest safe distance to keep from energized conductors
CATV at the pole
40''
,CATV at the mid-span
24''
CATV at the house
12''
Live parts of electric equipment must be guarded against at how many volts?
50 volts
What are the 2 kinds of grounds required by Safety standards for electrical
systems?
Service and Equipment
What are circuit protection devices designed to do?
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
Occupational Safety and Health Administration
CATV
Community Antenna Television
HFC
Hybrid Fiber Coax
What are the four sources of signals?
Satellite, local origination, off air, fiber optics
Forward
54 MHz-1 GHz
G.B.
Guard Band
, Return
5-42 MHz
Downstream (forward path)
Forward signal from the headend to a customer
Upstream (reverse path)
Return signal from a customer to the headend
Signal frequency
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?
Audio
Infrasonic frequencies are below what?
