Auxiliary Flashcards
What is brine?
Heavier and saltier water remaining in the evap after seawater has been boiled off
In a hydraulic system, force is transmitted as pressure through the liquid in _______
All directions
In a hydraulic system, pressure is defined as _____
Force exerted upon a unit area of surface
The most common type of hydraulic liquid used in the coast guard is _____
Petroleum
In a refrigeration system, heat is absorbed by r-12 in the _______
Evaporator
The part of the refrigeration system that changes the r-12 from low pressure, low- temp gas to a high pressure, high temp gas is the
Compressor
Air compressor starting loads are eliminated by the _____
Unloading system
The main source of heat in an air compressor is ______
Air compression
When a vacuum occurs inside a pump, what forces liquid into the pump suction?
Atmospheric pressure
Positive displacement means that a pump
Discharges all it takes in on each cycle, regardless of outlet restriction
A pumps performance is rated according to ________
The amount of delivery within a specified period at a specific pressure
The MAIN disadvantage of centrifugal pumps is that they _____
Will not work if air gets into the pump casing
What type of pump operates similar to an auger or drill bit?
Rotary screw
A pump which has a piston tht moves back and forth during operation is called an _______ pump
Reciprocating
What can occur if u restrict the discharge from an operating eductor
Supply water will back flood into the area being pumped out
