mm advancement study guide
which parameter is the boiler high water alarm usually set at?
+7"
the temp is raised at what rate, when performing a flashpoint test?
-11 F
what is the range of the thermometer used in API gravity testing?
-5-215 F
when the l/o neutralization number exceeds which number it is required to change the L/O in the main pump?
.050
Which pressure must safeties be lifted to if a steaming boiler suffers a ruptured tube?
0 psig
The bottom of the buret with the stopper in place shall be how many inches from the bottom of the reagent bottle?
0.5"
How many minutes at a maximum can a boiler smoke white before it must be secured?
1
How many hours are necessary to bring a boiler under a steam blanket online?
1.5-2
What is the maximum moisture content of an oil sample drawn from a centrifugal compressor?
100 PPM
what is the volume of the graduated cylinder that is used for BS&W testing?
100 ml
What is the maximum steady state superheater outlet temperature on a D-type 1200 psig boiler?
1000°F
What is the maximum allowable superheater outlet temperature during transition periods of 15 minutes to 1 hour on a 1200 psig D-type boiler?
1020°F
Fuel tanks are emptied at least once every how many months to reduce heavy sludge deposits?
12
Which temperature range is lube oil maintained at on an operating main engine?
120°-130°F
what is the minimum JP-5 (F-44) flashpoint?
140 F
Which temperature indicates a hot main condenser?
140°F
Which temperature is an SSTG auxiliary condenser considered a hot condenser?
140°F
An operating SSTG must be secured when vacuum decreases to how many inches?
15
What is the auxiliary exhaust pressure in the engineering plant during normal operations?
15 psig
An operating main condenser must be secured if vacuum levels reach how many inches?
15"
The main engine must be stopped and casualty procedures must be followed IAW EOCC during a loss of vacuum casualty on the main condenser when vacuum decreases to how many inches?
15"
what is the approximate required centrifuge revolutions per min (RPM) when conducting a BS&W for fuel?
1500 RPM
How many minutes at a maximum can a boiler smoke heavy black before it must be secured?
2
readings must be added together and divided by what to determine the BS&W if the readings from the two centrifuge tubes while taking the readings?
2
how many degrees increments is the temp increased after the test flame is applied when conducting a flashpoint test until flashpoint is achieved?
2 F
How many hours are necessary to bring a cold boiler online?
2.5-3
what is the temp range of the thermometer used for flashpoint testing?
20-230 F
how many milliliters of fuel is needed to conduct a bottom sediment & water (BS&W) test?
200
Boiler safety valves must be lifted by a hand easing gear how many psi below operating pressure?
200-300
What is the maximum journal bearing temperature on an operating main engine or SSTG as indicated by RTE?
250°F
What is the maximum thrust bearing temperature of on operating main engine or SSTG as indicated by RTE?
270°F
At least once every how many minutes must the engine be rotated while waiting to answer all bells after the main engines have been tested and warmed up?
3-5
how many mins is steam admitted to the boiler firebox when raw fuel is discovered on the firebox floor?
30
the test flame is applied to the sample when conducting a flashpoint test when the temp of the sample is not higher than how many degrees below the expected flashpoint temp?
30 F
What is the maximum allowable RPM differential on operating steam force draft blowers?
300
what is the required length of the test flame on the flashpoint tester when conducting a flashpoint testing?
4mm
The main engine must be secured if for any reason the main engine turbine rotors cannot be rotated within how many minutes?
5
Which boiler firing rate must never be exceeded after boiler light-off?
5%
Which percentage range of boiler full power rating is boiler air casing tested at?
50-75%
What is the maximum temperature rise across a bearing on an operating main feed pump?
50°F
what is the minimum temp at which the fuel oil bottom sediment and water (BS&W) test is to be preformed?
60 F
what is the standard temp for determining volume on all petroleum products?
60 F
how many degrees per min is the temperature raised when performing a flashpoint test?
9
how many RPMS does the flashpoint tester stirring mechanism rotate?
90-120
What is the minimum lube oil temperature to the main engine before it is allowed to be jacked over?
90°F
what is the capacity of the AFFF vari-nozzle located on a machinery space hose reel?
95 GPM
After the hydrometer is released in the sample adequate time must be allotted for the hydrometer to reach equilibrium, once equilibrium is reached the reading is recorded when conducting which type of fuel oil test?
API gravity
What is required to be done to all blowdown valves after completion of a 15 minute cooldown period?
All valves shall be retorqued to prevent leakage.
What will increase along with the valve failing open due to a ruptured feedwater control valve diaphragm?
Boiler water level
Which type of failure is indicated by a hot spot on the burner air register on an operating boiler?
Brick work
What is the most effective form of engineering casualty control?
Casualty prevention
Who must approve drill packages prior to conducting ETI drills?
Commanding Officer (CO)
what provides a positive suction head to the main feed booster pump?
DFT
Who is responsible for developing Engineering Training Team (ETT) drills?
Engineer Officer
Which NATO code is naval distillate lower pour point fuel given?
F-75
which type of fuel is used by navies operating in colder climates?
F-75
what is the primary fuel used on all shipboard power plants?
F-76
Blistering paint on the boiler air casing is an indication of what inside the boiler air casing?
Fire
What must never be adjusted during a white smoke casualty to the boiler?
Fuel oil header pressure
Which effect on the superheater outlet temperature will a low boiler economizer outlet temperature have?
High superheater outlet temperature
Boiler water carryover to the steam turbines is the greatest concern for the engineering plant when which type of boiler casualty occurs?
High water
what causes boiler panting?
Insufficient air
which type of fuel is defined as aviation turbine fuel?
JP-5
Which detrimental effect on the propulsion plant will a low condensate inlet pressure to the OFT have?
Low DPT level
Who is responsible for maintaining a master ETI drill package?
Main Propulsion Assistant (MPA)
Reports are sent to the Type Commander (TYCOM) with an information copy sent to ISIC, NAVSEA, along with what else when sending reports to higher authorities
NAVSSES
Volume 3 of which publication contains general guidelines concerning engineering casualty control?
NSTM 079
which nstms contains info about fuel?
NSTM 541
Which type of inert gas is used to test expansion valves?
Nitrogen
Which type of boiler casualty is indicated by an unusual drop in boiler steam pressure and a firebox filling with steam?
Ruptured boiler tube
Which type of operation is the safest engineering plant alignment?
Split-plant
What is admitted to the boiler air casing during a fire in the air casing until the fire is out?
Steam smothering
who must be notified, besides NAVSEASYSCOM for technical advice as soon as possible by using emergency substitute fuel?
TYCOM
What establishes and helps to maintain a vacuum on the main condenser when the ship is not equipped with air ejectors?
Vacuum pump
Which test method is defined as adding a reagent solution of known concentration, from a buret, into a sample of known volume to analyze the concentration?
Volumetric
What is the probable cause of a racing fuel oil service pump?
Water in the fuel
which type of equipment is used to lift the boiler safety valves during a casualty?
boiler safety valve hand easing gear
When fuel is mixed with water, the two liquids usually separate upon standing. What is this ability defined as?
demulsification
what is the lowest temp at which vapor remains burning after flashing called?
fire point
which type of fuel oil test uses the pensky martin closed cup tester?
flashpoint
which device used for the API gravity fuel oil test?
hydrometer
which effect will a low boiler economizer outlet temp have on the boiler superheater outlet temp?
increase
what is the smallest percentage of gas (vapor) that will make an ignitable mixture called?
low explosive limit (LEL)
what protects the main feed pump from internal damage due to a loss of suction pressure?
low suction trip
Which boiler casualty will be caused by a loss of the operating main feed pump?
low water
which term is defined as the lowest temp at which fuel will flow when it is chilled under prescribes conditions?
pour point
what must the boiler feedwater control be shifted to when experiencing difficulty in maintaining boiler water on an automated ship?
remote manual
Which type of boiler casualty requires the boiler to be purged after securing the boiler?
ruptured boiler tube
Which type of casualty is indicated by the formation of condensation (fogging) on the boiler periscope?
ruptured boiler tube
low water in the boiler, major uncontrolled flooding ( prior to the water reaching the brickpan), along with what else are the three casualties which require the lifting of boiler safety valves IAW EOCC procedures?
ruptured boiler tube
Which type of viscometer is commonly used to determine fuel oil and lube oil viscosity?
saybolt
what are cracked to check the HP turbine for boiler water carryover after a boiler high water casualty?
turbine casing drains
Which affected valve is used to maintain turbine speed during a jammed throttle casualty
turbine guardian
what is the highest percentage of gas (vapor) that will make an ignitable mixture called?
upper explosive limit (UEL)
A cracked gauge glass on the main condenser could lead to what on the main condenser?
vacuum loss
which fluid is required for hydrostatic testing of the fueling-at-sea hose?
water
BS&W readings shall be recorded from the centrifuge tubes and be a direct percentage of what read from the tube?
water and sediment
what is the purpose of filtering fuel through filter paper while conducting a flashpoint test?
water removal
which term is defined as fuel drawn onto an absorbent solid material that can be ignited?
wicking
which type of casualty is indicated by a reduction gear journal bearing showing a dramatic increase in temp and then decreases to ambient temp?
wiped bearing
