MACHINIST MATE TEST WITH
CORRECT ANSWERS
.
What NSTM deals with propulsion and SSTG Turbines? - CORRECT ANSWERSNSTM 231
Whats type of rotary pump is frequently used as a lubricanting pump on
pumpe and other aux equipment? - CORRECT ANSWERS-Simple gear pimp
What is the normal length of a t...
MACHINIST MATE TEST WITH
CORRECT ANSWERS
2023\2024.
What NSTM deals with propulsion and SSTG Turbines? - CORRECT ANSWERS-
NSTM 231
Whats type of rotary pump is frequently used as a lubricanting pump on
pumpe and other aux equipment? - CORRECT ANSWERS-Simple gear pimp
What is the normal length of a tapered plug? - CORRECT ANSWERS-3"
What is installed on a non-condensing turbone to protect turbine casing from
excessive pressure? - CORRECT ANSWERS-Combination exhaust relief valve
2-3 psi above exhaust line pressure
On an SSTG, what protects turbine casing from excessive pressure? -
CORRECT ANSWERS-Back pressure trip
When starting an SSTG, what is a minimum lube oil temp? - CORRECT
ANSWERS-60 degrees
What are the four sections of a PQS? - CORRECT ANSWERS-Fundamentals,
systems, watchstations, qual card
,What is the number for a PMS feedback report? - CORRECT ANSWERS-
4790/7B
When should oil coolers be put into operation on aux machinery? - CORRECT
ANSWERS-When temp of lube oil leaving cooler is 100 degrees
DFT is designed to operate at what pressure and temp? - CORRECT
ANSWERS-15 psi and 240-250 degrees
What is installed on a centrifugal pump to eliminate renewing of an entire
propellor and pump casing due to rapid wear? - CORRECT ANSWERS-Wearing
rings
The federal water pollution control act was amended in what year? -
CORRECT ANSWERS-1970
What is the NSTM for compressed air systems? - CORRECT ANSWERS-551
What is the max allowable pressure drop across a fuel oil duplex strainer
when online? - CORRECT ANSWERS-3%
What is the NSTM for general reduction gear? - CORRECT ANSWERS-241
What is the NSTM for forced draft blowers? - CORRECT ANSWERS-554
What is the required amount of sodium nitrate used for a sodium nitrate wet
lay up? - CORRECT ANSWERS-10lbs per 1,000 gallons of feed water
What is the NSTM for insulation and lagging? - CORRECT ANSWERS-635
What is QA chapter 11? - CORRECT ANSWERS-QA forms and instructions
What is QA chapter 12? - CORRECT ANSWERS-Submarine preservation
What is QA chapter 13? - CORRECT ANSWERS-Wire removal and replacement
What is QA chapter 10? - CORRECT ANSWERS-Quality assurance records
What is QA chapter 9? - CORRECT ANSWERS-Audits, surveillance,
evaluations and assesments
What is QA chapter 3? - CORRECT ANSWERS-PQS and training
What is QA chapter 2? - CORRECT ANSWERS-Quality maintenance process
What is QA chapter 4? - CORRECT ANSWERS-Welder, brazer, and NDT
qualifications
,What is QA chapter 5? - CORRECT ANSWERS-In process control
When is the current ships maintenance project verified and updated? -
CORRECT ANSWERS-Monthly
PMS schedules are categorized in what manner? - CORRECT ANSWERS-
Cycle, quarterly, weekly
Main feed pump is classified as what type of pump? - CORRECT ANSWERS-
Multi stage
High speed
Turbine driven
How long must the engine room/fire room operating log be kept for? -
CORRECT ANSWERS-2 years
Main feed pumps are fitted with what two types of governors? - CORRECT
ANSWERS-Speed limiting
Constant speed
the number of revolutions to major speed change is entered in what column?
- CORRECT ANSWERS-3
Entries for astern pitch are preceded by what level? - CORRECT ANSWERS-B
What is the max allowable super heater outlet temp during transition periods
of 15mins - 1 hour on a 1200 psig D type boiler? - CORRECT ANSWERS-1020
degrees
What is the first action taken, when you are experiencing difficulty in
maintaining boiler water level on an automated ship? - CORRECT ANSWERS-
Shift boiler feed water control to remote/manual
In the engineering bell book, what does I mean? - CORRECT ANSWERS-Ahead
standard speed
In the engineering bell book, what does III mean? - CORRECT ANSWERS-
Ahead flank speed
In the engineering bell book, what does B 1/3 mean? - CORRECT ANSWERS-
Back 1/3 speed
In the engineering bell book, what does Z mean? - CORRECT ANSWERS-Stop
, In the engineering bell book, what does BF mean? - CORRECT ANSWERS-
Back full speed
In the engineering bell book, what does BEM mean? - CORRECT ANSWERS-
Back emergency speed
In the engineering bell book, what does II mean? - CORRECT ANSWERS-
Ahead full speed
When order received is recorded as RPM in what column? - CORRECT
ANSWERS-2
What QA for is used for testing and inspection? - CORRECT ANSWERS-QA
form 17
Boiler high water alarm is set to what parameter - CORRECT ANSWERS-+7
inches
During a white smoke casualty to a boiler, what must never be adjusted? -
CORRECT ANSWERS-Fuel oil header pressure
What temp is lube oil maintained on an operating main engine? - CORRECT
ANSWERS-120-130 degrees
A ruptured feed water control valve diaphragm will have what adverse effect
on boiler water level? - CORRECT ANSWERS-Water level increase
Valve will fail open
Maximum steady state superheater outlet temp on a D type 1200 psig boiler?
- CORRECT ANSWERS-1000 degrees
During loss of vacuum casualty on a main condenser, what action must be
taken when vacuum decreases to 15"? - CORRECT ANSWERS-Main engine
must be stopped and casualty procedure IAW EOCC
Temporary distortion of SSTG rotor numerous start/stop episodes is known
as what? - CORRECT ANSWERS-Bowed rotor
Whenever a propulsion turbine casing joint is opened for any reason, a final
contact check is required by taking a red and blue check of the made up
joint, what is the required contact for non pumping groove joints? - CORRECT
ANSWERS-75% contact over entire joint, 1/4" minimum continuous contact
inside the groove and across each pressure section
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