A Couple of GNav Problems.

[Jinkster]

Thanks in advance for the help,

1) The constant of the cone on a lambert chart where the convergence angle between longitiudes 010E and 030degW is 30deg, is:

a) 0.50
b) 0.64
c) 0.75 <--answer
d) 0.40

2) The constant of the cone of a lambert conformal conic chart is quoted as 0.3955. At what latitude on the chart is earth convergency correctly represented?

a) 68deg 25'
b) 21deg 35'
c) 23deg 18' <---answer
d) 66deg 42'

3) in order to maintain an accurate vertical using pendulous system, an aircraft inertial platform incorporates a device:

a)without damping and a period of 84.4sec
b) with damping and a period of 84.4sec
c) with damping and a period of 84.4min <---answer
d) without damping and a period of 84.4min

This question is definately 84.4min but damping or not damping - I am getting confilcting info

When accelerating on a westerly heading in the northern hemisphere the compass card of a direct reading magnetic compass will turn:

a) clockwise giving an apparent turn to the north
b) clockwise giving an apparent turn towards the south
c) anti-clockwise giving an apparent turn to the north <--answer
d)anti-clockwise giving an apparent turn towards the south


Thanks for the help, Jinkster