Polaris is always within how many degrees of the north pole?

Question:

Polaris is always within how many degrees of the north pole? 

A. 0.1 degree 
B. 0.2 degree 
C. 1 degree 
D. 0.5 degree

Answer:  C. 1 degree 

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Question:

Which statement is TRUE concerning "night effect" and the reception of radio signals? 

A. During "night effect", polarization is at a minimum 
B. "Night effect" is caused by rapid changes in the ionosphere 
C. "Night effect" is most prevalent late at night 
D. "Night effect" is caused by all of the polarized ground waves being vertical

Answer:  B. "Night effect" is caused by rapid changes in the ionosphere 

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Question:

What is a common occurrence when a vessel is running into a shallow water? 

A. "squat" will cause a decrease in bottom clearance and an increase in draft 
B. "squat" will cause an increase in bottom clearance and an increase in draft 
C. "squat" will cause an increase in bottom clearance and a decrease in draft 
D. "squat" will cause a decrease in bottom clearance and a decrease in draft

Answer:  A. "squat" will cause a decrease in bottom clearance and an increase in draft