QMED final Test Questions Answered Correctly Latest Update 2025-2026
Which of the wrenches listed is least likely to slip off a bolthead or nut - Answers Box end
wrench
The reading onthe vernier calipervscale shown in figure E in the illustration (GS-0082) - Answers
3.360 inches
When using the draw file method which of the listed types of files will produce a fine finish? -
Answers A single cut file
The threaded pipe fitting called street elbow have - Answers Male and female threads
If a drill press is used to completely bore through a metal plate feed pressure on the drill bit
should be eased as the bit breaks through the bottom of the hole to prevent - Answers Drill bit
breakage.
A chisel with a mushroom head should not be used because - Answers Pieces may fly off the
chisel and Injure your eye
The tendency of a flammable liquid to vaporize is indicated by its - Answers Flashpoint
The flame screens installed on the sewage system tank vents prevent explosion by - Answers
Dissapating the heat of fire
When gas welding or burning the acetylene working pressure must be kept below 15 psi to
prevent a possible - Answers Exspolsion
Safe welding practice requires - Answers Checking the area for item that may catch fire, that a
fire watch be posted, checking for explosive gases to be made.
When there is a fire in a large electric motor normally the very FIRST step is to - Answers Secure
the electric supply.
Which type of respiratory protection is perferable for the repair/ investigation personsal on a
MODU in a hydrogen sulfide (H2S)environment? - Answers Pressure-Demand self contained
breathing apparatus (SCBA)
If you ar gand tapping holes in the cast iron you should - Answers Tap and holes without cutting
oil
In the diagram shown in the illustration the check valve is represented by the item numbered in
(GS-0125) - Answers 3
Which of the valces listed will be cycled from fully open to fully closed when the handle is turned
90 degrees - Answers Butterfly valve
, Tubing is sized by - Answers Nominal outside diameter
After cutting a piece of tubing to be flared you should - Answers Remove inside burrs with a
reamer
One revolution at the handwheel of a reach rod operated valve will cause the valve stern to
rotate - Answers One turn
A centrifugal bilge pump requires priming - Answers Due to the inhability of this type of pump to
lift water to cover the suction (eye) of the impeller.
To maintain design discharge pressure from a centrifugal pump the design clearance must be
maintained between the - Answers Casing and impeller wearing rings.
Positive displacement helical gear pumps are well suited for pumping oil because - Answers
They are essentially self priming and produce a high suction lift
Which of the following is NOT Identfiable characteristic of a steam reciprocating pump -
Answers Diffuser
Whic of the following methods applies to how a vaccum is created by a jet pump an eductor? -
Answers A rapidly moving stream of fluidvpassing through a nozzle
The static suction lift of a pump is difference in elevation between the - Answers A centerline of
the pump and the level of the liqud in the suction well when the source of liquid is below the
pump
The aft starboard bilge well cannot be pumped out and back flushing has not been successful
the next practical solution will be to carry out which of the following actions? - Answers Take all
necessary steps to properly and safely pump out the affected bilge well then manually "muck" it
out
The stern tube flashing connection can be used to - Answers Provide a positive flow of water
through the stern tube for lubricating and cooling and flashing when required
Salt water ballast is to be discharged into the #6 port and starboard wing tanks. Which
combination of valves illustrated mustbe opened and which valves shiuld be closed? In( GS0139)
- Answers 1,3,5,6,8 and 10 open 2,4,7 and 9 closed
The emergency bilge suction valve is typically used - Answers If bilges become flooded and they
cannot be emptied by any other means
A solenoid operated distillate bypass valve is installed in the discharge line between a
distillingplant and potable water tanks to prevent - Answers Salty distillate from reaching the
potable tanks
Regarding the oil cooler shown in the illustration thecpurpose of the internal shell baffles is to
Which of the wrenches listed is least likely to slip off a bolthead or nut - Answers Box end
wrench
The reading onthe vernier calipervscale shown in figure E in the illustration (GS-0082) - Answers
3.360 inches
When using the draw file method which of the listed types of files will produce a fine finish? -
Answers A single cut file
The threaded pipe fitting called street elbow have - Answers Male and female threads
If a drill press is used to completely bore through a metal plate feed pressure on the drill bit
should be eased as the bit breaks through the bottom of the hole to prevent - Answers Drill bit
breakage.
A chisel with a mushroom head should not be used because - Answers Pieces may fly off the
chisel and Injure your eye
The tendency of a flammable liquid to vaporize is indicated by its - Answers Flashpoint
The flame screens installed on the sewage system tank vents prevent explosion by - Answers
Dissapating the heat of fire
When gas welding or burning the acetylene working pressure must be kept below 15 psi to
prevent a possible - Answers Exspolsion
Safe welding practice requires - Answers Checking the area for item that may catch fire, that a
fire watch be posted, checking for explosive gases to be made.
When there is a fire in a large electric motor normally the very FIRST step is to - Answers Secure
the electric supply.
Which type of respiratory protection is perferable for the repair/ investigation personsal on a
MODU in a hydrogen sulfide (H2S)environment? - Answers Pressure-Demand self contained
breathing apparatus (SCBA)
If you ar gand tapping holes in the cast iron you should - Answers Tap and holes without cutting
oil
In the diagram shown in the illustration the check valve is represented by the item numbered in
(GS-0125) - Answers 3
Which of the valces listed will be cycled from fully open to fully closed when the handle is turned
90 degrees - Answers Butterfly valve
, Tubing is sized by - Answers Nominal outside diameter
After cutting a piece of tubing to be flared you should - Answers Remove inside burrs with a
reamer
One revolution at the handwheel of a reach rod operated valve will cause the valve stern to
rotate - Answers One turn
A centrifugal bilge pump requires priming - Answers Due to the inhability of this type of pump to
lift water to cover the suction (eye) of the impeller.
To maintain design discharge pressure from a centrifugal pump the design clearance must be
maintained between the - Answers Casing and impeller wearing rings.
Positive displacement helical gear pumps are well suited for pumping oil because - Answers
They are essentially self priming and produce a high suction lift
Which of the following is NOT Identfiable characteristic of a steam reciprocating pump -
Answers Diffuser
Whic of the following methods applies to how a vaccum is created by a jet pump an eductor? -
Answers A rapidly moving stream of fluidvpassing through a nozzle
The static suction lift of a pump is difference in elevation between the - Answers A centerline of
the pump and the level of the liqud in the suction well when the source of liquid is below the
pump
The aft starboard bilge well cannot be pumped out and back flushing has not been successful
the next practical solution will be to carry out which of the following actions? - Answers Take all
necessary steps to properly and safely pump out the affected bilge well then manually "muck" it
out
The stern tube flashing connection can be used to - Answers Provide a positive flow of water
through the stern tube for lubricating and cooling and flashing when required
Salt water ballast is to be discharged into the #6 port and starboard wing tanks. Which
combination of valves illustrated mustbe opened and which valves shiuld be closed? In( GS0139)
- Answers 1,3,5,6,8 and 10 open 2,4,7 and 9 closed
The emergency bilge suction valve is typically used - Answers If bilges become flooded and they
cannot be emptied by any other means
A solenoid operated distillate bypass valve is installed in the discharge line between a
distillingplant and potable water tanks to prevent - Answers Salty distillate from reaching the
potable tanks
Regarding the oil cooler shown in the illustration thecpurpose of the internal shell baffles is to
