MK1 SWE EXAM 2026 EXAM PREPARATION
PACK KEY PROGRAMMING PRINCIPLES
SYSTEM DESIGN AND DEVELOPMENT LIFE
CYCLE WITH SAMPLE QUESTIONS
◉ A deficiency exists in mission essential equipment that is worse
than casualty category 3 and causes a loss of at least one primary
mission. Answer: Casualty category 4
◉ A deficiency exists in mission essential equipment that causes a
major degradation but not the loss of a primary mission. Answer:
Casualty category 3
◉ A deficiency exists in mission essential equipment and causes a
minor degradation of any primary mission or a major degradation or
total loss of a secondary mission. Answer: Casualty category 2
◉ After an overhaul, the _____ in shall be conducted per
manufacturers technical manual and recorded. Answer: basic run in
◉ Symptoms of excessive clearance between a piston and cylinder
are _____. Answer: Piston slap and excessive oil consumption
,Occasionally pistons and liners become insufficiently worn to permit
the piston to lock over into and drag on the cylinder liner wall
◉ When using the load ring method, the droop must be eliminated
to avoid unnecessary load on the _____. Answer: Marine transmission
bearing
As close as possible to coupling but not interfere with mechanics
taking the reading
◉ Probable causes for no marine gear oil pressure are. Answer: -
Low oil level
-Empty sump
-Fully clogged oil strainer
◉ There are _____ stages in the Riely Beaird flash type evaporator.
The feedwater is heated as it passes through two heat exchangers
before entering the tubes of the _____. Answer: 6 stages, 1st stage
condenser
◉ What is the purpose of the distillate cooler?. Answer: To lower the
temperature of the distillate as the feed water is heated
,◉ The feed temperature regulator automatically controls feed rate at
a temperature of _____. Answer: 170-175 F
◉ Step 10 for starting the flash type evaporator is _____. Answer: To
prepare chemical feed treatment system for the correct mode of
operation .3 ppm
◉ What could cause the water level to appear over halfway in the
sight glasses that are mounted on the front of the flash type
evaporator. Answer: A restricted flow of the feed water between
flash chambers
or
faulty operation of the brine overboard pump through the over
throttling of brine overboard discharge valve
◉ Chloride content of distillate leaving the distillate cooler is below
_____ ppm when it's diverted to waste via the three-way solenoid trip
valve. Answer: 0.25 ppm
◉ What could cause a rapid cycling between operations and oil
discharge. Answer: An air leak in the system, defective probe
amplifier relay
or
defective oil sensing probe
, ◉ What are three types of coalescing media that improve the
efficiency of oil removal. Answer: -Metal plates
-Replaceable filters
-Brush assemblies
◉ What is a disadvantage of hydraulics. Answer: Initial installation
expense and component replacement costs are high
◉ When removing the plates of a plate type exchanger to clean them,
tilt them toward the rear of the unit until the top is free of _____ and
lift them out. Answer: The guide bar
◉ What is the primary goal of inspecting a plate type heat
exchanger?. Answer: To detect leaks
◉ How can you remove soft fouling from tubes. Answer: Using high
pressure water jets, brushes, air or water gun, degreasing solution,
knotted rope or phenolic disk scraping tool
◉ Back flushing is only required for _____ and not conducted
according to schedule but when the pressure drops through the unit
increases by _____ psi. Answer: Seawater coooled, 10 psi
PACK KEY PROGRAMMING PRINCIPLES
SYSTEM DESIGN AND DEVELOPMENT LIFE
CYCLE WITH SAMPLE QUESTIONS
◉ A deficiency exists in mission essential equipment that is worse
than casualty category 3 and causes a loss of at least one primary
mission. Answer: Casualty category 4
◉ A deficiency exists in mission essential equipment that causes a
major degradation but not the loss of a primary mission. Answer:
Casualty category 3
◉ A deficiency exists in mission essential equipment and causes a
minor degradation of any primary mission or a major degradation or
total loss of a secondary mission. Answer: Casualty category 2
◉ After an overhaul, the _____ in shall be conducted per
manufacturers technical manual and recorded. Answer: basic run in
◉ Symptoms of excessive clearance between a piston and cylinder
are _____. Answer: Piston slap and excessive oil consumption
,Occasionally pistons and liners become insufficiently worn to permit
the piston to lock over into and drag on the cylinder liner wall
◉ When using the load ring method, the droop must be eliminated
to avoid unnecessary load on the _____. Answer: Marine transmission
bearing
As close as possible to coupling but not interfere with mechanics
taking the reading
◉ Probable causes for no marine gear oil pressure are. Answer: -
Low oil level
-Empty sump
-Fully clogged oil strainer
◉ There are _____ stages in the Riely Beaird flash type evaporator.
The feedwater is heated as it passes through two heat exchangers
before entering the tubes of the _____. Answer: 6 stages, 1st stage
condenser
◉ What is the purpose of the distillate cooler?. Answer: To lower the
temperature of the distillate as the feed water is heated
,◉ The feed temperature regulator automatically controls feed rate at
a temperature of _____. Answer: 170-175 F
◉ Step 10 for starting the flash type evaporator is _____. Answer: To
prepare chemical feed treatment system for the correct mode of
operation .3 ppm
◉ What could cause the water level to appear over halfway in the
sight glasses that are mounted on the front of the flash type
evaporator. Answer: A restricted flow of the feed water between
flash chambers
or
faulty operation of the brine overboard pump through the over
throttling of brine overboard discharge valve
◉ Chloride content of distillate leaving the distillate cooler is below
_____ ppm when it's diverted to waste via the three-way solenoid trip
valve. Answer: 0.25 ppm
◉ What could cause a rapid cycling between operations and oil
discharge. Answer: An air leak in the system, defective probe
amplifier relay
or
defective oil sensing probe
, ◉ What are three types of coalescing media that improve the
efficiency of oil removal. Answer: -Metal plates
-Replaceable filters
-Brush assemblies
◉ What is a disadvantage of hydraulics. Answer: Initial installation
expense and component replacement costs are high
◉ When removing the plates of a plate type exchanger to clean them,
tilt them toward the rear of the unit until the top is free of _____ and
lift them out. Answer: The guide bar
◉ What is the primary goal of inspecting a plate type heat
exchanger?. Answer: To detect leaks
◉ How can you remove soft fouling from tubes. Answer: Using high
pressure water jets, brushes, air or water gun, degreasing solution,
knotted rope or phenolic disk scraping tool
◉ Back flushing is only required for _____ and not conducted
according to schedule but when the pressure drops through the unit
increases by _____ psi. Answer: Seawater coooled, 10 psi
