ETC SWE UPDATED ACTUAL Exam
Questions and CORRECT Answers
A bulkhead mounted disconnect for a workbench shall be located 48 to ____ inches above the
deck. - CORRECT ANSWER - 54
For naval applications, voltages greater than or equal to _____ volts are considered high voltage.
- CORRECT ANSWER - 1000
The resistance of the human body is typically around _____ ohms. - CORRECT ANSWER -
500
_____ mA - shock is felt. - CORRECT ANSWER -1
_____ mA - a person may be unable to let go. - CORRECT ANSWER - 10
_____ mA - shock may be fatal if it lasts for one second or more. - CORRECT ANSWER -
100
PPE is required for energized work over _____ volts. - CORRECT ANSWER - 30
_____ _____ occurs when the severity of an arc or short circuit current causes destructive
heating and explosive vaporization. - CORRECT ANSWER - Arc blast
_____ _____ is defined as a situation where electrical current passes through air gaps between
two ungrounded conductors. - CORRECT ANSWER - Arc flash
What is an SCR? - CORRECT ANSWER - Silicon controlled rectifier
,What is an SABT? - CORRECT ANSWER - Static automatic bus transfer
What is a cable marked with CPS? - CORRECT ANSWER - Cathodic protection
What is a cable marked with K? - CORRECT ANSWER - Control, power plant and ship
What is a cable marked with D? - CORRECT ANSWER - Degaussing
What is a cable marked with R? - CORRECT ANSWER - Electronics
What is a cable marked with G? - CORRECT ANSWER - Fire control
What is a cable marked with C? - CORRECT ANSWER - Interior communications
What is a cable marked with EL? - CORRECT ANSWER - Lighting, emergency
What is a cable marked with N? - CORRECT ANSWER - Lighting, navigational
What is a cable marked with L? - CORRECT ANSWER - Lighting, ship service
What is a cable marked with MS? - CORRECT ANSWER - Minesweeping
What is a cable marked with FL? - CORRECT ANSWER - Night flight lights
What is a cable marked with CP? - CORRECT ANSWER - Power, casualty
What is a cable marked with EP? - CORRECT ANSWER - Power, emergency
,What is a cable marked with PP? - CORRECT ANSWER - Power, propulsion
What is a cable marked with P? - CORRECT ANSWER - Power, ship service
What is a cable marked with PS? - CORRECT ANSWER - Power, shore connections
What is a cable marked with SF? - CORRECT ANSWER - Power, special frequency
What is a cable marked with WP? - CORRECT ANSWER - Power, weapon system
What is a cable marked with WSF? - CORRECT ANSWER - Power, weapon system, 400hz
A CO2 fire extinguisher is normally located within _____ feet of equipment. - CORRECT
ANSWER - 30
The standard Navy CO2 fire extinguisher has a rated capacity of _____ pounds of CO2 -
CORRECT ANSWER - 15
The maximum effective range of a 15-pund CO2 extinguisher is _____ feet. - CORRECT
ANSWER - 4 to 6
In continuous operation, the 15-pound CO2 extinguisher will be expended in approximately
_____ seconds. - CORRECT ANSWER - 40
Equipment shall be secured prior to measuring voltages in excess of _____ volts. - CORRECT
ANSWER - 300
, Insulation resistance measurements for multiconductor cables with conductors of less than 1700
circular mill shall read a minimum of _____ ohms. - CORRECT ANSWER - 50,000
The general purpose shorting probe 4176 shall be rated at _____ kV. - CORRECT ANSWER -
25
The general purpose shorting probe 1797 shall be rated at _____ kV. - CORRECT ANSWER -
7.5
What is the first step of troubleshooting? - CORRECT ANSWER - Symptom recognition
What is the second step of troubleshooting? - CORRECT ANSWER - Symptom elaboration
What is the third step of troubleshooting? - CORRECT ANSWER - Listing probably faulty
functions
What is the fourth step of troubleshooting? - CORRECT ANSWER - Localizing the faulty
function
What is the fifth step of troubleshooting? - CORRECT ANSWER - Localizing trouble to the
circuit
What is the sixth step of troubleshooting? - CORRECT ANSWER - Failure analysis
Class _____ field changes require no installation funding. - CORRECT ANSWER -A
Class _____ field changes require fleet installation funding. - CORRECT ANSWER -B
Class _____ field changes require industrial assistance. - CORRECT ANSWER -C
Questions and CORRECT Answers
A bulkhead mounted disconnect for a workbench shall be located 48 to ____ inches above the
deck. - CORRECT ANSWER - 54
For naval applications, voltages greater than or equal to _____ volts are considered high voltage.
- CORRECT ANSWER - 1000
The resistance of the human body is typically around _____ ohms. - CORRECT ANSWER -
500
_____ mA - shock is felt. - CORRECT ANSWER -1
_____ mA - a person may be unable to let go. - CORRECT ANSWER - 10
_____ mA - shock may be fatal if it lasts for one second or more. - CORRECT ANSWER -
100
PPE is required for energized work over _____ volts. - CORRECT ANSWER - 30
_____ _____ occurs when the severity of an arc or short circuit current causes destructive
heating and explosive vaporization. - CORRECT ANSWER - Arc blast
_____ _____ is defined as a situation where electrical current passes through air gaps between
two ungrounded conductors. - CORRECT ANSWER - Arc flash
What is an SCR? - CORRECT ANSWER - Silicon controlled rectifier
,What is an SABT? - CORRECT ANSWER - Static automatic bus transfer
What is a cable marked with CPS? - CORRECT ANSWER - Cathodic protection
What is a cable marked with K? - CORRECT ANSWER - Control, power plant and ship
What is a cable marked with D? - CORRECT ANSWER - Degaussing
What is a cable marked with R? - CORRECT ANSWER - Electronics
What is a cable marked with G? - CORRECT ANSWER - Fire control
What is a cable marked with C? - CORRECT ANSWER - Interior communications
What is a cable marked with EL? - CORRECT ANSWER - Lighting, emergency
What is a cable marked with N? - CORRECT ANSWER - Lighting, navigational
What is a cable marked with L? - CORRECT ANSWER - Lighting, ship service
What is a cable marked with MS? - CORRECT ANSWER - Minesweeping
What is a cable marked with FL? - CORRECT ANSWER - Night flight lights
What is a cable marked with CP? - CORRECT ANSWER - Power, casualty
What is a cable marked with EP? - CORRECT ANSWER - Power, emergency
,What is a cable marked with PP? - CORRECT ANSWER - Power, propulsion
What is a cable marked with P? - CORRECT ANSWER - Power, ship service
What is a cable marked with PS? - CORRECT ANSWER - Power, shore connections
What is a cable marked with SF? - CORRECT ANSWER - Power, special frequency
What is a cable marked with WP? - CORRECT ANSWER - Power, weapon system
What is a cable marked with WSF? - CORRECT ANSWER - Power, weapon system, 400hz
A CO2 fire extinguisher is normally located within _____ feet of equipment. - CORRECT
ANSWER - 30
The standard Navy CO2 fire extinguisher has a rated capacity of _____ pounds of CO2 -
CORRECT ANSWER - 15
The maximum effective range of a 15-pund CO2 extinguisher is _____ feet. - CORRECT
ANSWER - 4 to 6
In continuous operation, the 15-pound CO2 extinguisher will be expended in approximately
_____ seconds. - CORRECT ANSWER - 40
Equipment shall be secured prior to measuring voltages in excess of _____ volts. - CORRECT
ANSWER - 300
, Insulation resistance measurements for multiconductor cables with conductors of less than 1700
circular mill shall read a minimum of _____ ohms. - CORRECT ANSWER - 50,000
The general purpose shorting probe 4176 shall be rated at _____ kV. - CORRECT ANSWER -
25
The general purpose shorting probe 1797 shall be rated at _____ kV. - CORRECT ANSWER -
7.5
What is the first step of troubleshooting? - CORRECT ANSWER - Symptom recognition
What is the second step of troubleshooting? - CORRECT ANSWER - Symptom elaboration
What is the third step of troubleshooting? - CORRECT ANSWER - Listing probably faulty
functions
What is the fourth step of troubleshooting? - CORRECT ANSWER - Localizing the faulty
function
What is the fifth step of troubleshooting? - CORRECT ANSWER - Localizing trouble to the
circuit
What is the sixth step of troubleshooting? - CORRECT ANSWER - Failure analysis
Class _____ field changes require no installation funding. - CORRECT ANSWER -A
Class _____ field changes require fleet installation funding. - CORRECT ANSWER -B
Class _____ field changes require industrial assistance. - CORRECT ANSWER -C
