IME Quiz: Compressors, Purifiers, and OWS's

In a two stage compressor, where should valves be located?

between 1st and 2nd stage, and after 2nd

if the oil content monitor is greater than 15ppm, then the mixture goes where?

bilge holding tank

What does oil in a screw type compressor do?

cools, lubricates, and prevents leakage

How does oil separate from water?

difference in densities

What causes the compressor to 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

How does an adsorbent dryer work?

moisture removed by adhering to outer surface of dryer material

What is required to be filled out when discharging oily water overboard?

oil record book

Fuel is transferred from the settling tank to the day tank by the what?

purifier

What does the inter-cooler do?

removes air before going to the 2nd stage

What does a clarifier do?

removes sediments only

How to increase purification?

slowdown throughput and increase temp

how do you choose the correct gravity disk?

temo and flow of incoming oil and density

Why do compressors typically have lower clearances in the piston?

to increase efficiency and limit air at TDC

After shooting the bowl, the closing water pushed the bowl?

up

When does the suction valve open?

when pressure inside is less than the atmosphere

Something about how many years you have to keep an Oil Record Book

3

If the OCM is being cleaned, where do you pump oil to?

Bilge holding tank