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