IME 2 F DECK MACHINERY, COMPRESSORS, AND PURIFIERS

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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


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