MASS-BALANCE-BNC-THEORY-MODULE1

1. The centre of gravity of a body is that point




2. "For a given configuration, the stall speed of an aeroplane will be highest when loaded:"




3. "Comparing a forward CG position with an aft one, the forward cg position will cause a"




4. The maximum zero-fuel mass: 1- is a regulatory limitation 2- is calculated for a maximum load factor of +3.5 g 3- is based on the maximum permissible bending moment at the wing root 4- is defined on the assumption that fuel is consumed from the outer wings tank first 5- is defined on the assumption that fuel is consumed from the centre wing tank first The combination of correct statements is:




5. "If nose wheel moves aft during gear retraction, how will this movement affect the location of the centre of gravity (cg) on the aircraft?"




6. "At the flight preparation stage, the following parameters in particular are available for determining the mass of the aircraft: 1- Dry operating mass 2- Operating mass Which statement is correct:"




7. Which of the following corresponds to zero fuel mass?




8. "On an aeroplane without central fuel tank, the maximum Zero Fuel Mass is related to:"




9. The centre of gravity location of the aeroplane is normally computed along the:




10. In mass and balance calculations which of the following describes the datum?




11. Which one of the following is correct?




12. "Assuming gross mass, altitude and airspeed remain unchanged, movement of the centre of gravity from the forward to the aft limit will cause"




13. "While making mass and balance calculation for a particular aircraft, the term 'Basic Empty Mass' applies to the sum of airframe, engine(s), fixed ballast plus"




14. The term 'Maximum Zero Fuel Mass' consist of:




15. "Considering only structural limitations, on very short legs with minimum take-off fuel, the traffic load is normally limited by:"




16. "Considering only structural limitations, on long distance flights (at the aeroplane's maximum range), the traffic load is normally limited by:"




17. The zero fuel mass of an aeroplane is always:




18. A location in the aircraft which is identified by a number designating its distance from the datum is known as:




19. The Dry Operating Mass includes:




20. Which is true of the aircraft basic empty mass?




21. "In mass and balance calculations the ""index"" is:"




22. Loads must be adequately secured in order to:




23. Traffic load is the:




24. What determines the longitudinal stability of an aeroplane ?




25. The actual 'Zero Fuel Mass' is equal to the:




26. The actual 'Take-off Mass' is equivalent to:




27. The maximum zero fuel mass is a mass limitation for the:




28. "With respect to aeroplane loading in the planning phase, which of the following statements is always correct ? LM = Landing Mass TOM = Take-off Mass MTOM = Maximum Take-off Mass ZFM = Zero Fuel Mass MZFM = Maximum Zero Fuel Mass DOM = Dry Operating Mass"




29. Which of the following statements is correct?




30. Which of the following statements is correct?




31. Which of the following statements is correct?




32. "For the purpose of completing the Mass and Balance documentation, the Traffic Load is considered to be equal to the Take-off Mass"




33. "For the purpose of completing the Mass and Balance documentation, the Operating Mass is considered to be Dry Operating Mass plus"




34. "When establishing the mass breakdown of an aeroplane, the empty mass is defined as the sum of the:"




35. "For the purpose of completing the Mass and Balance documentation, the Dry Operating Mass is defined as:"




36. In calculations with respect to the position of the centre of gravity a reference is made to a datum. The datum is




37. The datum is a reference from which all moment (balance) arms are measured. Its precise position is given in the control and loading manual and it is located




38. Moment (balance) arms are measured from a specific point to the body station at which the mass is located. That point is known as




39. The centre of gravity of an aircraft is that point through which the total mass of the aircraft is said to act. The weight acts in a direction




40. "When an aircraft is stationary on the ground, its total weight will act vertically"




41. "The weight of an aircraft, which is in level non accelerated flight, is said to act"




42. The centre of gravity of an aircraft




43. "In relation to an aircraft, the term ' Basic Empty Mass' includes the mass of the aircraft structure complete with its powerplants, systems, furnishings and other items of equipment considered to be an integral part of the particular aircraft configuration. Its value is"




44. "If individual masses are used, the mass of an aircraft must be determined prior to initial entry into service and thereafter"




45. The empty mass of an aircraft is recorded in




46. "Prior to departure an aircraft is loaded with 16500 litres of fuel at a fuel density of 780 kg/m³. This is entered into the load sheet as 16500 kg and calculations are carried out accordingly. As a result of this error, the aircraft is"




47. An additional baggage container is loaded into the aft cargo compartment but is not entered into the load and trim sheet. The aeroplane will be heavier than expected and calculated take-off safety speeds




48. Fuel loaded onto an aeroplane is 15400 kg but is erroneously entered into the load and trim sheet as 14500 kg. This error is not detected by the flight crew but they will notice that




49. "When preparing to carry out the weighing procedure on an aircraft, which of the following is not required?"




50. An aircraft is weighed prior to entry into service. Who is responsible for deriving the Dry Operational Mass from the weighed mass by the addition of the 'operational items' ?




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