1-35. The Navy uses what total number of liquid-cooling
systems?
1. One
2. Two
3. Three
4. Four
1-36. What type of water does the type I liquid-cooling
system use?
1. Seawater
2. Distilled water
3. Both 1 and 2 above
4. Freshwater
1-37. Type II liquid-cooling systems are used in installa-
tions that cannot accept distilled-water temperatures
higher than what degree Fahrenheit?
1.
85
2.
90
3.
95
4.
98
1-38. Liquid-cooling systems have which of the following
main components?
1. Coolant alarm switchboards
2. Oxygen analyzers
3. Demineralizes
4. All of the above
1-39. What is the seconday coolant that flows through the
heat exchanger?
1. Seawater only
2. Chilled water only
3. Seawater and chilled water
4. Distilled water
1-40. What person is normally the best qualified to deter-
mine what procedure to use where extreme fouling
exists and whether the job can be performed aboard
ship?
1. Supply officer
2. Operations officer
3. Engineering officer
4. Combat systems officer
1-41. The purity of what type of water inhibits electrolysis
in the secondary system?
1. Sea
2. Salt
3. Chilled
4. Distilled
1-42. Expansion tanks are identified as which of the fol-
lowing types of tanks?
1. Fuel or gravity
2. Ballast or neutralized
3. Gravity or pressurized
4. Neutralized or fuel
1-43. Visual and audible alarms will actuate on the ex-
pansion tank when the fluid level is below what per-
cent of being full?
1.
10
2.
20
3.
30
4.
40
1-44. What type of air system is used to charge expansion
tanks?
1. Low pressure only
2. Low pressure, but with high-pressure capabilities
3. High pressure only
4. High pressure, but with low-pressure capabilities
1-45. Where is the best place to look in the expansion tank
for an indication of a coolant leak in the secondary
cooling system?
1. Visual alarm
2. Flood level
3. Sight glass
4. Water strainer
1-46. What type of strainer may have a small drain on the
cover to allow for draining water off before you re-
move the cover?
1. Single
2. Duplex
3. Triplex
4. Simplex
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