ES3J QUESTIONS WITH VERIFIED ANSWERS
Rectifier - Answers - What part of power supply converts electrical current from AC to
DC
Grounded loop - Answers - Tearing or flagging of a video picture is the direct result of
Frequency multiplexing - Answers - You have a frequency that has been amplified to
four frequencies the change is called
19-23" wide - Answers - Which of the following is true of an equipment rack?
In series with the heating contacts - Answers - The heat anticipator on the load of a line
voltage thermostat is connected ______?
75 - Answers - The standard impedence of a standard video coax cable is ____ OHMS?
Boost transformer - Answers - How do you increase the voltage through a circuit after it
passes through?
Reflective light - Answers - How would you get the best picture on a monitor?
Green with a yellow stripe - Answers - What is the color of an equipment grounding
wire?
900 OHM - Answers - What is the minimum resistance error of a 1000 OHM resistor
with an error of 10%?
Fiber Optic - Answers - The best product for a closed circuit system is with more than
7000 without reamplification is?
The F speed stop of the lens - Answers - What is a cameras sensitivity based on?
Balancing Transformer - Answers - How do you get rid of snow on a monitor?
Ceiling grid - Answers - When mounting an interior camera which of the following is not
a suitable location?
Fiber Optic Cable - Answers - Given: Hardwire alarm system control panel should be
installed so that they help reduce magnetic downtime and false alarms, electromagnetic
interference must be prevented from entering the system control panel and causing
interference. Which of the following eliminates EMI?
, Short Circuit - Answers - Which of the following should not cause a swinger?
Radiated Energy - Answers - When white and black bars appear on a video monitor,
this condition is known as hum, what causes this condition?
Voltage - Answers - Which of the following factors would not affect the temperature of
conductors under a full load?
Star, bus, hierrachal ARE ALL multipoint - Answers - What type of network is not
considered multipoint?
Voltmeter - Answers - What device is best used to test a dry cell?
Shorted - Answers - A length of COAX cable used for data is terminated at one end with
50 OHM terminator, the resistance between the shield and the center conductor at the
other end of the cable is 0 OHMS; this indicated the cable continuity is _____?
Bell Current Stays - Answers - All of the following are advantages to using a relay to
remote actuate a signaling device except?
44 - Answers - Given: 4 Speakers wired in seried of 4 OHMS, 8 OHMS, 16 OHMS, and
16 OHMS, what is the total impedence?
Black - Answers - The power wire for AC is designated by what color?
75 OHMS - Answers - The standard impedance of the terminator cable is
Latching Relay (this is the answer)
Exit Delay
Deranged Delay - Answers - All of the following are the same except
ADD ground straps - Answers - All of the following are means to repair objectionable
current in metal raceways except:
Latching Relay - Answers - What keeps the alarm circuit activated and the output device
operating even if the protective circuit is restored to normal?
3 Point connection - Answers - Office telecommunication cables are routed into
designated local cable rooms that function as remote cable distribution points for room
connections, this strategy is called a _____?
Short circuits - Answers - an OHM meter reading of 0 OHMS indicates which of the
following?
Knots and Kinks easily - Answers - What is a major disadvantage to using copper clad
steel cable for an antenna?
Rectifier - Answers - What part of power supply converts electrical current from AC to
DC
Grounded loop - Answers - Tearing or flagging of a video picture is the direct result of
Frequency multiplexing - Answers - You have a frequency that has been amplified to
four frequencies the change is called
19-23" wide - Answers - Which of the following is true of an equipment rack?
In series with the heating contacts - Answers - The heat anticipator on the load of a line
voltage thermostat is connected ______?
75 - Answers - The standard impedence of a standard video coax cable is ____ OHMS?
Boost transformer - Answers - How do you increase the voltage through a circuit after it
passes through?
Reflective light - Answers - How would you get the best picture on a monitor?
Green with a yellow stripe - Answers - What is the color of an equipment grounding
wire?
900 OHM - Answers - What is the minimum resistance error of a 1000 OHM resistor
with an error of 10%?
Fiber Optic - Answers - The best product for a closed circuit system is with more than
7000 without reamplification is?
The F speed stop of the lens - Answers - What is a cameras sensitivity based on?
Balancing Transformer - Answers - How do you get rid of snow on a monitor?
Ceiling grid - Answers - When mounting an interior camera which of the following is not
a suitable location?
Fiber Optic Cable - Answers - Given: Hardwire alarm system control panel should be
installed so that they help reduce magnetic downtime and false alarms, electromagnetic
interference must be prevented from entering the system control panel and causing
interference. Which of the following eliminates EMI?
, Short Circuit - Answers - Which of the following should not cause a swinger?
Radiated Energy - Answers - When white and black bars appear on a video monitor,
this condition is known as hum, what causes this condition?
Voltage - Answers - Which of the following factors would not affect the temperature of
conductors under a full load?
Star, bus, hierrachal ARE ALL multipoint - Answers - What type of network is not
considered multipoint?
Voltmeter - Answers - What device is best used to test a dry cell?
Shorted - Answers - A length of COAX cable used for data is terminated at one end with
50 OHM terminator, the resistance between the shield and the center conductor at the
other end of the cable is 0 OHMS; this indicated the cable continuity is _____?
Bell Current Stays - Answers - All of the following are advantages to using a relay to
remote actuate a signaling device except?
44 - Answers - Given: 4 Speakers wired in seried of 4 OHMS, 8 OHMS, 16 OHMS, and
16 OHMS, what is the total impedence?
Black - Answers - The power wire for AC is designated by what color?
75 OHMS - Answers - The standard impedance of the terminator cable is
Latching Relay (this is the answer)
Exit Delay
Deranged Delay - Answers - All of the following are the same except
ADD ground straps - Answers - All of the following are means to repair objectionable
current in metal raceways except:
Latching Relay - Answers - What keeps the alarm circuit activated and the output device
operating even if the protective circuit is restored to normal?
3 Point connection - Answers - Office telecommunication cables are routed into
designated local cable rooms that function as remote cable distribution points for room
connections, this strategy is called a _____?
Short circuits - Answers - an OHM meter reading of 0 OHMS indicates which of the
following?
Knots and Kinks easily - Answers - What is a major disadvantage to using copper clad
steel cable for an antenna?
