ES3J STUDY QUESTIONS WITH DETAILED VERIFIED AND
100% ACCURATE ANSWERS
Rectifier Correct Answers What part of power supply converts electrical
current from AC to DC
Grounded loop Correct Answers Tearing or flagging of a video picture
is the direct result of
Frequency multiplexing Correct Answers You have a frequency that has
been amplified to four frequencies the change is called
19-23" wide Correct Answers Which of the following is true of an
equipment rack?
In series with the heating contacts Correct Answers The heat anticipator
on the load of a line voltage thermostat is connected ______?
75 Correct Answers The standard impedence of a standard video coax
cable is ____ OHMS?
Boost transformer Correct Answers How do you increase the voltage
through a circuit after it passes through?
Reflective light Correct Answers How would you get the best picture on
a monitor?
,Green with a yellow stripe Correct Answers What is the color of an
equipment grounding wire?
900 OHM Correct Answers What is the minimum resistance error of a
1000 OHM resistor with an error of 10%?
Fiber Optic Correct Answers The best product for a closed circuit
system is with more than 7000 without reamplification is?
The F speed stop of the lens Correct Answers What is a cameras
sensitivity based on?
Balancing Transformer Correct Answers How do you get rid of snow on
a monitor?
Ceiling grid Correct Answers When mounting an interior camera which
of the following is not a suitable location?
Fiber Optic Cable Correct 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 Correct Answers Which of the following should not cause
a swinger?
, Radiated Energy Correct Answers When white and black bars appear on
a video monitor, this condition is known as hum, what causes this
condition?
Voltage Correct Answers Which of the following factors would not
affect the temperature of conductors under a full load?
Star, bus, hierrachal ARE ALL multipoint Correct Answers What type
of network is not considered multipoint?
Voltmeter Correct Answers What device is best used to test a dry cell?
Shorted Correct 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 Correct Answers All of the following are advantages
to using a relay to remote actuate a signaling device except?
44 Correct Answers Given: 4 Speakers wired in seried of 4 OHMS, 8
OHMS, 16 OHMS, and 16 OHMS, what is the total impedence?
Black Correct Answers The power wire for AC is designated by what
color?
100% ACCURATE ANSWERS
Rectifier Correct Answers What part of power supply converts electrical
current from AC to DC
Grounded loop Correct Answers Tearing or flagging of a video picture
is the direct result of
Frequency multiplexing Correct Answers You have a frequency that has
been amplified to four frequencies the change is called
19-23" wide Correct Answers Which of the following is true of an
equipment rack?
In series with the heating contacts Correct Answers The heat anticipator
on the load of a line voltage thermostat is connected ______?
75 Correct Answers The standard impedence of a standard video coax
cable is ____ OHMS?
Boost transformer Correct Answers How do you increase the voltage
through a circuit after it passes through?
Reflective light Correct Answers How would you get the best picture on
a monitor?
,Green with a yellow stripe Correct Answers What is the color of an
equipment grounding wire?
900 OHM Correct Answers What is the minimum resistance error of a
1000 OHM resistor with an error of 10%?
Fiber Optic Correct Answers The best product for a closed circuit
system is with more than 7000 without reamplification is?
The F speed stop of the lens Correct Answers What is a cameras
sensitivity based on?
Balancing Transformer Correct Answers How do you get rid of snow on
a monitor?
Ceiling grid Correct Answers When mounting an interior camera which
of the following is not a suitable location?
Fiber Optic Cable Correct 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 Correct Answers Which of the following should not cause
a swinger?
, Radiated Energy Correct Answers When white and black bars appear on
a video monitor, this condition is known as hum, what causes this
condition?
Voltage Correct Answers Which of the following factors would not
affect the temperature of conductors under a full load?
Star, bus, hierrachal ARE ALL multipoint Correct Answers What type
of network is not considered multipoint?
Voltmeter Correct Answers What device is best used to test a dry cell?
Shorted Correct 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 Correct Answers All of the following are advantages
to using a relay to remote actuate a signaling device except?
44 Correct Answers Given: 4 Speakers wired in seried of 4 OHMS, 8
OHMS, 16 OHMS, and 16 OHMS, what is the total impedence?
Black Correct Answers The power wire for AC is designated by what
color?
