SWE EM1 || All Answers are Valid.
The currents in the FI and QI degaussing coils must be? correct answers The currents in the FI
and QI degaussing coils must be changed when there are changes in the ships heading, magnetic
latitude, or both.
The proper polarity must be observed when applying what? correct answers Proper polarity must
be observed when applying/adjusting coil currents in the degaussing systems.
An automatic degaussing system takes signals from the gyro system and converts into what?
correct answers An automatic degaussing system takes signals from the gyro system and
converts them into signals proportional to the magnetic heading.
When megging degaussing coils that have rectifiers for power supplies you must always? correct
answers When megging degaussing coils that have rectifiers for power supplies, always
disconnect the rectifiers.
When megging a degaussing coil for grounds you must always? correct answers When megging
a degaussing coil for grounds, open the supply switch and tag the reversing switch.
The ship's gyro system provides the automatic degaussing system with what? correct answers
The ship's gyro system provides the automatic degaussing system with a synchro signal.
What does the degaussing system signal amplifier circuit send to the relay amplifier? correct
answers The degaussing system signal amplifier circuit sends the relay amplifier a dc output
signal.
Degaussing coil insulation resistance should be measured by? correct answers Degaussing coil
insulation resistance should be measured IAW navships tech manual.
What is Deperming? correct answers Deperming is essentially a large version of demagnetizing a
watch.
,When a ship is said to be ranged when its magnetic field is measured at a magnetic range, is
known as? correct answers A ship is said to be ranged when its magnetic field is measured at a
magnetic range, known as degaussing station.
What is Degaussing? correct answers Degaussing minimizes the possibility of detection by
magnetic mines.
manually, automatically correct answers Control of coil currents is accomplished manually in
older degaussing installations and automatically in new ones.
Degaussing installations with rheostat control are supplied by what? correct answers Degaussing
installations with rheostat control are supplied by a constant dc generator.
Degaussing equipment should be operated when? correct answers Degaussing equipment should
be operated weekly for four hours.
When megging a degaussing switchboard you should? correct answers When megging a
degaussing switchboard, open the main breaker and close the reversing switch
There are _ alarms on the degaussing panel. correct answers There are visual alarms on the
degaussing panel.
Shipboard winches are normally designed to withstand a static load of what? correct answers
Shipboard winches are normally designed to withstand a static load of 200% of rated load
without distortion.
150%, 200% correct answers Electric brakes used on shipboard winches shall demonstrate the
ability to stop and hold 150% of rated load when lowering at rated speed and 200% static pull of
rated load without creepage.
,1 to 4 correct answers A drum winch has 1 to 4 horizontal drums.
direct current correct answers A direct current capstan control provides a plurality of speeds.
Shipboard winches are designed to do what? correct answers Shipboard winches are designed to
haul in and pay out at a rated load at a rated speed
An AC capstan control provides? correct answers An AC capstan control provides full and half
speed. It also provides 2 forward and 2 reverse controls.
What are two general types of winches? correct answers The two general types of winches are
the gypsy and the drum.
Water correct answers Damage by water is one of the major causes of component casualties on
deck machinery.
Technical manual correct answers Always consult the technical manual when making
adjustments and repairs.
Galley equipment is normally designed for operation on what? correct answers Galley equipment
is normally designed for operation on 115-volt or 230 volt dc power or 440 volt 3 phase 60 hz ac
power.
On galley ovens, each heating unit is controlled by? correct answers On galley ovens, each
heating unit is controlled by individual 3 heat switches.
Electric deep fat fryer are normally provided in the ratings of ? correct answers Electric deep fat
fryer are normally provided in the ratings of 5kw, 10kw, and 18kw.
, The heating units are? correct answers The heating units are immersed directly in the fat to
ensure maximum efficiency.
The adjustable range is 250-400 deg. F. correct answers The adjustable range is 250-400 deg. F.
460 deg F correct answers In the event the fat temp reaches 460 deg F the thermostat contact will
close, thus tripping the breaker and de-energizing the fryer.
power is secured correct answers Before starting work on the electric galley equipment be certain
that power is secured.
burning contacts correct answers The largest single trouble with electric ranges, ovens and deep
fat fryers is burning contacts
washers, extractors, and dryers separately or in combinations correct answers Laundry
equipment aboard ship is comprised of washers, extractors, and dryers separately or in
combinations.
100 pound dry weight capacity. correct answers The cylinder of the washer-extractor has a 100
pound dry weight capacity.
Mercury switch correct answers The mercury switch is the safety feature that protects the
washing machine in case of excessive vibrations.
Type A correct answers Type A electric ranges are provided with three 6.0 KW surface units.
Upper limit thermostat correct answers The upper limit thermostat installed on later model deep
fat fryers will operate in the even of a main thermostat failure.
The currents in the FI and QI degaussing coils must be? correct answers The currents in the FI
and QI degaussing coils must be changed when there are changes in the ships heading, magnetic
latitude, or both.
The proper polarity must be observed when applying what? correct answers Proper polarity must
be observed when applying/adjusting coil currents in the degaussing systems.
An automatic degaussing system takes signals from the gyro system and converts into what?
correct answers An automatic degaussing system takes signals from the gyro system and
converts them into signals proportional to the magnetic heading.
When megging degaussing coils that have rectifiers for power supplies you must always? correct
answers When megging degaussing coils that have rectifiers for power supplies, always
disconnect the rectifiers.
When megging a degaussing coil for grounds you must always? correct answers When megging
a degaussing coil for grounds, open the supply switch and tag the reversing switch.
The ship's gyro system provides the automatic degaussing system with what? correct answers
The ship's gyro system provides the automatic degaussing system with a synchro signal.
What does the degaussing system signal amplifier circuit send to the relay amplifier? correct
answers The degaussing system signal amplifier circuit sends the relay amplifier a dc output
signal.
Degaussing coil insulation resistance should be measured by? correct answers Degaussing coil
insulation resistance should be measured IAW navships tech manual.
What is Deperming? correct answers Deperming is essentially a large version of demagnetizing a
watch.
,When a ship is said to be ranged when its magnetic field is measured at a magnetic range, is
known as? correct answers A ship is said to be ranged when its magnetic field is measured at a
magnetic range, known as degaussing station.
What is Degaussing? correct answers Degaussing minimizes the possibility of detection by
magnetic mines.
manually, automatically correct answers Control of coil currents is accomplished manually in
older degaussing installations and automatically in new ones.
Degaussing installations with rheostat control are supplied by what? correct answers Degaussing
installations with rheostat control are supplied by a constant dc generator.
Degaussing equipment should be operated when? correct answers Degaussing equipment should
be operated weekly for four hours.
When megging a degaussing switchboard you should? correct answers When megging a
degaussing switchboard, open the main breaker and close the reversing switch
There are _ alarms on the degaussing panel. correct answers There are visual alarms on the
degaussing panel.
Shipboard winches are normally designed to withstand a static load of what? correct answers
Shipboard winches are normally designed to withstand a static load of 200% of rated load
without distortion.
150%, 200% correct answers Electric brakes used on shipboard winches shall demonstrate the
ability to stop and hold 150% of rated load when lowering at rated speed and 200% static pull of
rated load without creepage.
,1 to 4 correct answers A drum winch has 1 to 4 horizontal drums.
direct current correct answers A direct current capstan control provides a plurality of speeds.
Shipboard winches are designed to do what? correct answers Shipboard winches are designed to
haul in and pay out at a rated load at a rated speed
An AC capstan control provides? correct answers An AC capstan control provides full and half
speed. It also provides 2 forward and 2 reverse controls.
What are two general types of winches? correct answers The two general types of winches are
the gypsy and the drum.
Water correct answers Damage by water is one of the major causes of component casualties on
deck machinery.
Technical manual correct answers Always consult the technical manual when making
adjustments and repairs.
Galley equipment is normally designed for operation on what? correct answers Galley equipment
is normally designed for operation on 115-volt or 230 volt dc power or 440 volt 3 phase 60 hz ac
power.
On galley ovens, each heating unit is controlled by? correct answers On galley ovens, each
heating unit is controlled by individual 3 heat switches.
Electric deep fat fryer are normally provided in the ratings of ? correct answers Electric deep fat
fryer are normally provided in the ratings of 5kw, 10kw, and 18kw.
, The heating units are? correct answers The heating units are immersed directly in the fat to
ensure maximum efficiency.
The adjustable range is 250-400 deg. F. correct answers The adjustable range is 250-400 deg. F.
460 deg F correct answers In the event the fat temp reaches 460 deg F the thermostat contact will
close, thus tripping the breaker and de-energizing the fryer.
power is secured correct answers Before starting work on the electric galley equipment be certain
that power is secured.
burning contacts correct answers The largest single trouble with electric ranges, ovens and deep
fat fryers is burning contacts
washers, extractors, and dryers separately or in combinations correct answers Laundry
equipment aboard ship is comprised of washers, extractors, and dryers separately or in
combinations.
100 pound dry weight capacity. correct answers The cylinder of the washer-extractor has a 100
pound dry weight capacity.
Mercury switch correct answers The mercury switch is the safety feature that protects the
washing machine in case of excessive vibrations.
Type A correct answers Type A electric ranges are provided with three 6.0 KW surface units.
Upper limit thermostat correct answers The upper limit thermostat installed on later model deep
fat fryers will operate in the even of a main thermostat failure.
