Navigation 1 Practice Exam 1 With Answers (Page 4 of 6) in pdf

Navigation 1 Practice Exam 1 With Answers Page 4

23. General information about the location, characteristics, facilities, and services for U.S.

and foreign ports may be obtained from which publication?

a. World Port Index

b. Sailing Directions

c. Distances Between Ports

d. Coast Pilot

24. To measure distance on a Mercator chart between the parallels of LAT 34°30' N and

LAT 31°30' N, which 30 mile scale should be used?

a. 33°00' N to 33°30' N

b. 32°30' N to 33°00' N

c. 32°45' N to 33°15' N

d. 32°15' N to 32°45' N

25. Where would you find information about the time of high tide at a specific location on a

particular day of the year?

Tide Tables

Tidal Current Tables

Coast Pilot

Nautical Almanac

Part B - Problems (5 points each)

You are on course 120°T. The relative bearing of a lighthouse is 145°. What is the true

bearing?

145° + 120° = 265°T

You are on course 340°T. The true bearing of a lighthouse is 110°. What is the relative

bearing of the lighthouse?

110° – 340° (+ 360°) = 130°R

Part C – Short Answer/Essay

1. (5 points) List 5 pieces of information that can be obtained from the Chart Title Block.

Chart title

Publisher

Projection

Scale

Tidal information

Geodetic datum

Sounding datum

Vertical datum

Units of measurement for depths and heights

Survey information

Navigation 1 Practice Exam 1 With Answers Page 4