Mass and Balance - ATPL - Airline Transport Pilot license

Test 10 domande ATPL - Airline Transport Pilot license - Mass and Balance, tempo libero

1 - What determines the longitudinal stability of an aeroplane ? The effectiveness of the horizontal stabilizer, rudder and rudder trim tab. The location of the centre of gravity with respect to the neutral point. The dihedral, angle of sweepback and the keel effect. The relationship of thrust and lift to weight and drag.

2 - The centre of gravity of an aircraft Is in a fixed position and is unaffected by aircraft loading. May only be moved if permitted by the regulating authority and endorsed in the aircraft's certificate of airworthiness. Must be maintained in a fixed position by careful distribution of the load. Can be allowed to move between defined limits.

3 - A load placed forward of the datum Has a negative arm and therefore generates a negative mass and moment Has a positive arm and therefore generates a positive mass and moment Has a negative arm and therefore generates a negative moment Has a positive arm and therefore generates a positive moment

4 - From the data contained in the attached appendix, the maximum allowable take - off mass and traffic load is respectively: 61600 kg and 12150 kg 60425 kg and 10975 kg 66770 kg and 17320 kg 68038 kg and 18588 kg[see Annex]

5 - On an aeroplane with a seating capacity of more than 30, it is decided to use standard mass values for computing the total mass of passengers. If the flight is not a holiday charter, the mass value which may be used for an adult is 76 kg 84 kg 88 kg (male) 74 kg (female). 84 kg (male) 76 kg (female).

6 - For the purpose of completing the Mass and Balance documentation, the Traffic Load is considered to be equal to the Take-off Mass Plus the Operating Mass. Plus the Trip Fuel Mass. Less the Operating Mass. Less the Trip Fuel Mass.

7 - . The moment for an item is The mass of the item divided by it's distance from the datum The mass of the item multiplied by it's distance from the datum The square of the distance the item is from the datum divided by it's mass The distance the item is from the datum divided by it's mass

8 - Which of the following is unlikely to have any effect on the position of the centre of gravity on an aeroplane in flight ? Changing the tailplane (horizontal stabiliser) incidence angle. Normal consumption of fuel for a swept wing aeroplane. Movement of cabin attendants going about their normal duties. Lowering the landing gear.

9 - . The reference about which centre of gravity moments are taken is the Datum. Chord line Centre of mass Centre of pressure

10 - maximum take-off mass is: 4 200 kg 4 100 kg 4 700 kg 4 300 kg

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