BSMT (COURSE) MIDTERM , FIRST Semester 2024-2025 NAV 3 TEST QUE

1.Which of the following choices is not a landmark as defined  in terrestrial navigation?

• A. Lighthouses

• B. Headlands

• C. Continental shelf

• D. Islets

Which of the following types of navigation that makes use of landmarks  as means of determining the position of a vessel?

•  A. Celestial navigation
  

•   B. Terrestrial navigation
  

•    C. Piloting
  

• 
     D. All of the choices

Which of the following choices denotes a fixed artificial navigation mark which maybe  lighted or unlighted and are generally smaller and  less prominent structures?

•     A. Landmark
  

•     B. Lighthouse
  

•   C. Beacon
  

• 1.    D. Buoy

Which of the following choices is a conspicuous artificial feature on land, other  than an established aid to navigation, which  can be used as an aid to navigation?

• A. Landmark
  

• B. Lighthouse
  

•  C. Beacon
  

• D. Buoy

5. Which of the following choices you must keep in mind while plotting a DR?

• A. Every time that there is a change in course  and/or speed, the DR  position must be plotted  afresh
  

•    B. If the predicted course line is judged to be or  proved to be   incorrect, don’t plot the DR once again and let the data be
  

•   C. Draw a new course line from an Estimated  Position (EP)
  

• D. Don’t plot a new course line from a fix

6.What will result when we correct the DR position from leeway, current effects, and steering error?

• A. corrected position
   

•  B. fix position

•  C. set graphical record

•  D. estimated position

7. Which of the following choices determines the dead  reckoning position?
       A. course and speed
       B. course only
       C. speed only
       D. none of the choices

•  A. course and speed

•  B. course only

• C. speed only

• D. none of the choices

Which of the following choices is a previously determined position of the vessel?
       

•   A. dead reckoning

•   B. dead reckoning position

•     C. fix

•         D. estimated position

Which of the following choices best describes set?
        A. the direction of the movement
        B. is marked on the chart using a 3 digit compass  direction the  current is moving toward
        C. either A or B
        D. none of the choices

•         A. the direction of the movement

• B. is marked on the chart using a 3 digit compass  direction the  current is moving toward

• C. either A or B

•  D. none of the choices

Which of the following choices does not describe   a  fix?    
    

•    A. a light which is continuously on   

• B. the common intersection of two or more lines of  position obtained from simultaneous observations

• C. a position determined without reference to any  former position
          D. obtained from electronic systems are often given as lat./long.  coordinates determined by

• D. obtained from electronic systems are often given as lat./long.  coordinates determined by algorithms in the system software