Pumping Systems, Operations. Test 8

What ensures the tightness of the filter cover (1) to the filter body (3) ?

Oil purifiers can be used for purifying as well as for clarifying operations. The purifying operation is referred to as _____

the separation of light liquids from heavy liquids, (oil from water) and is called a two-phase operation.
a 3-phase separating operation of light liquid, heavy liquid and solids (water, oil, dirt).
the separation of solids from liquids and is called a single phase operation.
the separation of solids from oils with the use of a water barrier seal and is called a two-phase operation.

Which is the correct parts description list of this suction filter ?

When on passage, what should be the condition of the fire main?

Drained and empty to prevent leakage at hydrants.
Pressurised at all times.
All pump and isolating valves closed.
Sea suction and fire main discharge valves open ready to pressurise the main when the fire pump is started.

Review Answers