Unités de mesure en navigation Flashcards

1
Q

Documentation de référence pour les unités de mesure ?

A

Annexe 5

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2
Q

Combien vaut une minute d’arc de grand cercle ?

A

1,852 km soit 1 Nm

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3
Q

Longueur de l’équateur en Nm ?

A

21 600 Nm

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4
Q

1 Nm = ? m

A

1 852 m

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5
Q

1 ft = ? m

A

0,3048 m

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6
Q

1 m = ? ft

A

3,2808 ft

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7
Q

1 km = 1/? de la circonférence de la terre ?

A

1/40 000

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8
Q

1 kt = ? km/h

A

1,852 km/h

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9
Q

Quelles sont les rules of thumb des distances ?

A

ft / 3 - 10% = m
m * 3 + 10% = ft

Nm * 2 - 10% = km
km / 2 + 10% = Nm

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10
Q

1 km = ? Nm

A

0,54 Nm

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11
Q

1 Nm = ? ft

A

6 076 ft ≈ 6 000 ft

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12
Q

1 km = ? ft

A

3 280 ft ≈ 3300 ft

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13
Q

Quelles sont les rules of thumb des vitesses ?

A

kt * 2 - 10% = km/h
km/h / 2 + 10% = kt
m/s * 200 = ft/min
ft/min / 200 = m/s

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14
Q

1 litre = ? US GAL

A

0,26 US GAL

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15
Q

1 US GAL = ? litre

A

3,8 litres

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16
Q

1 IMP GAL = ? litre

A

4,5 litres

17
Q

Quelles sont les rules of thumb des volumes ?

A

l / 4 + 5% = US GAL
US GAL * 4 - 5% = l

18
Q

1 kg = ? lb

A

2,2 lb

19
Q

1 lb = ? kg

A

0,45 kg

20
Q

Quelles sont les rules of thumb des masses ?

A

kg * 2 + 10% = lb
lb / 2 - 10% = kg