A rubber hose is used on any piping associated with resilient type supports
TRUE
what is used to join sections of piping system components to hoses, piping, and
tubes
FITTINGS
steel braided hoses have a shelf service life
FALSE
what must be utilized when you are unable to replace a section of piping but still
need to continue to operate it
DFS
pressurizing a hose twice its rated (maximum allowable) pressure is called what
HYDRO STATIC TEST
what is used to remove excessive water from spaces
EDUCTORS
what is the purpose of a union
CONNECTS PIPING UP TO 2" IN DIAMETER, AND ALLOWS FOR EASY REMOVAL
which pipe support permits thermal expansion with springs
VARIABLE SPRING HANGER
what material cannot be utilized on high temperature systems
COPPER
Hose assemblies are constructed of
RUBBER
Non critical hoses are replaced every______ years
12
What type of gear forms a V and is most commonly used in MRGS
DOUBLE HELICAL GEAR
What gear is used to change a speed and torque without changing the direction
of rotation
INTERNAL SPUR GEAR
what is the definition of TORQUE
FORCE OF ROTATION
What is installed between two gears that allows the drive and driven gear to
rotate in the same direction
IDLER GEAR
what is a COUPLING
DEVICE THAT HOLDS 2 PARTS TOGETHER, CONNECTS TWO PIECES OF
SHAFTING TOGETHER
What is the TWISTING FORCE
TORQUE
What type of coupling allows for no misalignment
FLANGE COUPLING/ RIGID FLANGE
Oil lubricated coupling should be re lubricated after any pump overhaul
TRUE
What happens when a unit is not aligned properly
, NOTICIBLE VIBRATION OCCURS
Where is oily water stored prior to processing through the OWS
OILY WASTE HOLDING TANK
Within 50 nautical miles, what is the allowable limit to oil in the overboard
discharge
15 PPM
What is utilized to remove large particulate matter from the oily waste as it leaves
the OWHT
idk
where does the oil go after it has been seperated in the OWS
WASTE OIL TANK
The purpose of the OWS is to prevent oil from discharging overboard by
seperating water and oil
TRUE
What component measures the amount of oil in the water prior to being
discharged overboard
OIL CONTENT MONITOR
what heat xfer method is from direct physical contact
CONDUCTION
what heat xfer method is from mixing of 2 fluids
CONVECTION
What heat exchanger consists of multiple (stack of) plates
PLATE TYPE
What type of heat exchanger uses sea water to cool steam and change property
of the fluid from a gas to a liquid
CONDENSER
What are the 3 types of flow utilized in a heat exchanger
PARALLEL, COUNTER AND CROSS
What type of heat exchanger tubing consists of a tube within another tube
DOUBLE TUBE
What type of heat exchanger utilizes a coil or spirial of tubing
HELICAL AND SPIRAL TUBING
What is the definition of a HEAT EXCHANGER
ALLOW XFER OF HEAT FROM ONE FLUID TO ANOTHER
What is the purpose of the BALLASTING
ADJUST DRAFT DRIFT TRIM
What is the difference between between ballasting and deballisting
BALLASTING IS INCREASING THE SHIPS DRAFT; DEBALLASTING IS REDUCING
THE SHIPS DRAFT
How do you fill ballast tanks installed below the water line
OPEN MAIN SEA VALVES
How many psi does a deballasting air compressor produce
20PSI
What material is classified as dangerous material and requires special storage
precautions
CALCIUM HYPROCHLORITE