IME 2 F DECK MACHINERY, COMPRESSORS, AND PURIFIERS
What happens when there is no power on electrical disk brake on the deck winch?
The brake engages
After shooting the bowl, the CLOSING water pushes the bowl.....
UP
when does the suction valve open?
When pressure inside is less than the atmosphere
the drum and brake are found on the
anchor windlass
In a two stage compressor, where should valves be located?
between 1st and 2nd stage and after 2nd
If the OCM is being cleaned, where do you pump oil to?
bilge holding tank
If the oil content monitor is greater than 15 ppm, than the mixture goes where?
bilge holding tank
What causes the compressor the shutdown due to overload?
faulty unloading device
Air blowing from the intake filter indicates what?
leaking suction valve
High pressure in the 1st stage is likely caused by what?
leaking suction valve in the 2nd stage
gravity davit lifeboats brought back up, the winch will stop at the top via...
limit switch
The steering gear is given power by what?
main and emergency bus
How does an adsorbent dryer work?
moisture removed by adhering to outer surface of dryer material
Fuel is transferred from the settling tank to the day tank by the what?
purifier
on a hydraulic system the purpose of the accumulator is to
store energy
Why do compressors typically have lower clearances in the piston?
to increase efficiency and limit air at TDC
what does the intercooler do?
Removes air before going to the 2nd stage
what does a clarifier do?
Removes sediment only
How to increase purification?
Slow down throughput and increase temperature
How do you choose the correct gravity disk?
Temp and flow of incoming oil and density
what kind of steering gears will you find on board vessels?
4 ram, 2 ram, and rotary vane
