2-11. If the meter on the oxygen analyzer requires frequent
calibration because the meter readings are drifting or
changing sharply, the analyzer has a bad
1. sensor
2. cartridge
3. calibration
4. cooling alarm
2-12. When an abnormal condition occurs in a system, the
alarm indicates the fault condition by what means?
1. Audible alarm
2. Visual alarm
3. Both 1 and 2 above
4. Sensory alarm
2-13. The system’s main alarm panel has a total of how
many ground indicator lamps?
1. One
2. Two
3. Three
4. Four
2-14. Either half of the system’s alarm panel can
independently display which of the following lights, if
any?
1. Steady red light only
2. Flashing red light only
3. Steady red light, flashing red light, or no light
4. None; no lights are ever displayed on this panel
2-15. A four-way position switch on the lower half of each
alarm module allows you to place the individual alarm
module in which of the following modes?
1. Cutout only
2. Standby only
3. Normal only
4. Cutout, standby, normal, and test
2-16. In what position is power removed from the sensor
loop to facilitate maintenance?
1. Test
2. Cutout
3. Normal
4. Standby
2-17. Which of the following switch positions simulates an
alarm condition?
1. Test
2. Cutout
3. Normal
4. Standby
2-18. What is the best way to extend the life of components
and to increase the reliability of the cooling system?
1. Preventive maintenance
2. Corrective maintenance
3. Both 1 and 2 above
4. Shipyard overhaul
2-19. The battery alignment of a ship is accomplished by
which of the following distinct alignments?
1. Gun-bore and plane
2. Original (dry-dock) and afloat
3. Missile launcher and fire-control
4. Primary and fire-control
2-20. Battery alignment is based on which of the following
concepts?
1. Geometric coordinate system
2. Parallel planes
3. Parallel lines
4. All of the above
2-21. In a complete reference frame, directions are specified
by which of the following angles?
1. Train and elevation
2. Target direction only
3. Geometric measurement only
4. Target direction and geometric measurement
2-22. In naval combat systems, what is used as the reference
direction?
1. Ship’s bowline
2. Ship’s sternline
3. Ship’s centerline
4. Ship’s stormline
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