REVISION QUESTION 1

#80. In which month does aphelion occur?

• AJanuary
• BMarch
• CJuly
• DNovember

#86. How does scale change on a normal Mercator chart?

• AExpands as the secant 2 (½ co-latitude)
• BExpands directly with the secant of the latitude
• CCorrect on the standard parallels, expands outside them, contracts within them
• DExpands as the secant of the E/W great circle distance

#92. Groundspeed is 540 knots. 72 nm to go. What is time to go?

• A8 mins
• B9 mins
• C18 mins
• D12 mins