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