A8. Hairline cracking.
A9. Water that is in excess of the amount needed for a saturated, surface-dry
condition.
A10. For improved watertightness and increased resistance to frost action.
A11. The chemical reaction between cement and water that causes a concrete
to harden.
A12. When the test specimen breaks outside the middle third of span length by
less than 5 percent.
A13. By heating, dissolution, and emulsifiication.
A14. The volubility test.
A15. A distillation test.
Chapter 14
A1. 75 man-days.
A2. Indirect labor.
A3. 61 percent. (Source: NMCB Operations Officer’s Handbook,
COMSECOND/COMTHIRDNCBINST 5200.2A, Section IV.)
A4. 150 man-days. (Source: NMCB Operations Officer’s Handbook,
COMSECOND/THIRDNCBINST 5200.2A, appendix I.)
A5. Commander, THIRD Naval Construction Brigade.
A6. So that you can (1) get all of the information needed for the job from the
person requesting it and (2) pass this information on to the person to
whom you are assigning the job.
Chapter 15
A1.
24.
A2.
0600.
A3. The angular distance of a celestial body measured north or south of the
celestial equator along the hour circle of the body.
A4. Over the south celestial pole.
A5. N43°03´.
A6. S76°55´00.1”E.
A7. The calculation of the length of the sides can be cross-checked using
different routes.
A8. A primary triangulation station is used as an instrument station and a
sighted station. A secondary station is used only for sighting.
A9. 38°22´18.25”.
Chapter 16
A1.
4.
A2. True.
AVI-5
