ATPL网上题库7重量与平衡.doc

7重量与平衡(1)What is load factor? ALift multiplied by the total weight. BLift subtracted from the total weight. CLift divided by the total weight. 正确答案：C (2)(Refer to figures ATP7-1, 7-4, 7-6, 7-7, 7-8 and 7-9) What is the CG in inches from datum under Loading Conditions BE-1? AStation 290.3. BStation 285.8. CStation 291.8. 正确答案：B (3)(Refer to figures ATP7-1, 7-4, 7-6, 7-7, 7-8 and 7-9) What is the CG in inches from datum under Loading Conditions BE-2? AStation 295.2. BStation 292.9. CStation 293.0. 正确答案：B (2)(Refer to figures ATP7-1, 7-4, 7-6, 7-7, 7-8 and 7-9) What is the CG in inches from datum under Loading Conditions BE-1? AStation 290.3. BStation 285.8. CStation 291.8.正确答案：B (3)(Refer to figures ATP7-1, 7-4, 7-6, 7-7, 7-8 and 7-9) What is the CG in inches from datum under Loading Conditions BE-2? AStation 295.2. BStation 292.9. CStation 293.0.正确答案：B (4)(Refer to figures ATP7-1, 7-4, 7-6, 7-7, 7-8 and 7-9) What is the CG in inches from datum under Loading Conditions BE-3? AStation 290.4. BStation 285.8. CStation 288.2. 正确答案：C (5)(Refer to figures ATP7-1, 7-4, 7-6, 7-7, 7-8 and 7-9) What is the CG in inches from datum under Loading Conditions BE-4? AStation 297.4. BStation 299.6. CStation 297.7. 正确答案：C 6)(Refer to figures ATP7-1, 7-4, 7-6, 7-7, 7-8 and 7-9) What is the CG in inches from datum under Loading Conditions BE-5? AStation 290.5. BStation 288.9. CStation 289.1. 正确答案：C (7)(Refer to figures ATP7-2, 7-5, 7-7, 7-8 and 7-9) What is the CG in inches from datum under Loading Conditions BE-6? AStation 300.8. BStation 296.5. CStation 300.5. 正确答案：C (8)(Refer to figures ATP7-2, 7-5, 7-7, 7-8 and 7-9) What is the CG in inches from datum under Loading Conditions BE-7? AStation 297.8. BStation 296.0. CStation 299.9. 正确答案：C (9)(Refer to figures ATP7-2, 7-5, 7-7, 7-8 and 7-9) What is the CG in inches from datum under Loading Conditions BE-8? AStation 297.4. BStation 298.1. CStation 302.0. 正确答案：C (10)(Refer to figures ATP7-2, 7-5, 7-7, 7-8 and 7-9) What is the CG in inches from datum under Loading Conditions BE-9? AStation 301.2. BStation 297.1. CStation 296.7. 正确答案：A 11)(Refer to figures ATP7-2, 7-5, 7-7, 7-8 and 7-9) What is the CG in inches from datum under Loading Conditions BE-10? AStation 293.9. BStation 298.4. CStation 298.1. 正确答案：B (12)(Refer to figures ATP7-1, 7-4, 7-6, 7-7, 7-8 and 7-9) What is the CG shift if the passengers in row 1 are moved to seats in row 9 under Loading Conditions BE-1? A1.5 inches aft. B5.6 inches aft. C6.2 inches aft. 正确答案：B (13)(Refer to figures ATP7-1, 7-4, 7-6, 7-7, 7-8 and 7-9) What is the CG shift if the passengers in row 1 are moved to row 8, and the passengers in row 2 are moved to row 9 under Loading Conditions BE-2? A7.8 inches aft. B9.2 inches aft. C5.7 inches aft. 正确答案：A (14)(Refer to figures ATP7-1, 7-4, 7-6, 7-7, 7-8 and 7-9) What is the CG shift if four passengers weighing 170 pounds each are added; two to seats in row 6 and two to seats in row 7 under Loading Conditions BE-3? 1.8 inches aft. 2.2 inches forward. 3.5 inches aft. 正确答案：C (15)(Refer to figures ATP7-1, 7-4, 7-6, 7-7, 7-8 and 7-9) What is the CG shift if all passengers in rows 2 and 4 are deplaned under Loading Conditions BE-4? A2.0 inches aft. B2.5 inches forward. C2.5 inches aft. 正确答案：A (16)(Refer to figures ATP7-1, 7-4, 7-6, 7-7, 7-8 and 7-9) What is the CG shift if the passengers in row 8 are moved to row 2, and the passengers in row 7 are moved to row 1 under Loading Conditions BE-5? A1.0 inches forward. B8.9 inches forward. C6.5 inches forward. 正确答案：B (17)(Refer to figures ATP7-2, 7-5, 7-7, 7-8 and 7-9) What is the CG shift if 300 pounds of cargo in section A is moved to section H under Loading Conditions BE-6? A4.1 inches aft. B4.0 inches aft. C3.5 inches aft. 正确答案：A (18)(Refer to figures ATP7-2, 7-5, 7-7, 7-8 and 7-9) What is the CG shift if the cargo in section F is moved to section A, and 200 pounds of the cargo in section G is added to the cargo in section B, under Loading Conditions BE-7? A7.5 inches forward. B8.2 inches forward. C8.0 inches forward. 正确答案：B (19)(Refer to figures ATP7-2, 7-5, 7-7, 7-8 and 7-9) What is the CG if all cargo in sections A, B, J, K, and L are off-loaded under Loading Conditions BE-8? AStation 292.7. BStation 294.6. CStation 297.0. 正确答案：C (20)(Refer to figures ATP7-2, 7-5, 7-7, 7-8 and 7-9) What is the CG if cargo is loaded to bring sections F, G, and H to maximum capacity under Loading Conditions BE-9? AStation 307.5. BStation 305.4. CStation 303.5. 正确答案：A (21)(Refer to figures ATP7-2, 7-5, 7-7, 7-8 and 7-9) What is the CG shift if the cargo in section G is moved to section J under Loading Conditions BE-10? A3.2 inches aft. B2.7 inches aft. C2.4 inches aft. 正确答案：C (23)(Refer to figure ATP7-10) What is the new CG if the weight is shifted from the aft to the forward compartment under Loading Conditions WS-2? A20.5 percent MAC. B22.8 percent MAC. 26.1 percent MAC. 正确答案：B (24)(Refer to figure ATP7-10) What is the new CG if the weight is shifted from the forward to the aft compartment under Loading Conditions WS-3? A28.6 percent MAC. B29.2 percent MAC. 33.0 percent MAC. 正确答案：B (25)(Refer to figure ATP7-10) What is the new CG if the weight is shifted from the aft to the forward compartment under Loading Conditions WS-4? A24.1 percent MAC. B37.0 percent MAC. 23.5 percent MAC. 正确答案：C (26)(Refer to figure ATP7-10) Where is the new CG if the weight is shifted from the forward to the aft compartment under Loading Conditions WS-5? A-97.92 index arm. B+19.15 index arm. C+13.93 index arm. 正确答案：B (27)(Refer to figure ATP7-10) What is the new CG if the weight is removed from the forward compartment under Loading Conditions WS-1? A26.8 percent MAC. B30.0 percent MAC. 27.1 percent MAC. 正确答案：C (28)(Refer to figure ATP7-10) Where is the new CG if the weight is added to the aft compartment under Loading Conditions WS-2? A+12.13 index arm. B+17.06 index arm. C+14.82 index arm. 正确答案：A (29)(Refer to figure ATP7-10) What is the new CG if the weight is added to the forward compartment under Loading Conditions WS-3? A14.3 percent MAC. B14.5 percent MAC. 11.4 percent MAC. 正确答案：A (30)(Refer to figure ATP7-10) Where is the new CG if the weight is removed from the aft compartment under Loading Conditions WS-4? A-93.51 index arm. B+15.53 index arm. C+8.50 index arm. 正确答案：C (31)(Refer to figure ATP7-10) What is the new CG if the weight is removed from the forward compartment under Loading Conditions WS-5? A19.1 percent MAC. B31.9 percent MAC. 35.2 percent MAC. 正确答案：B (32)(Refer to figures ATP7-3, 7-5, 7-7 and 7-9) What limit is exceeded under Operating Conditions BE-11? AZFW limit is exceeded. BAft CG limit is exceeded at landing weight. CAft CG limit is exceeded at takeoff weight. 正确答案：B 33)(Refer to figures ATP7-3, 7-5, 7-7 and 7-9) What limit(s) is (are) exceeded under Operating Conditions BE-12? AZFW limit is exceeded. BLanding aft CG limit is exceeded. CZFW and maximum takeoff weight limits are exceeded. 正确答案：A 34)(Refer to figures ATP7-3, 7-5, 7-7 and 7-9) What limit, if any, is exceeded under Operating Conditions BE-13? ATakeoff forward CG limit is exceeded. BLanding aft CG limit is exceeded. CNo limit is exceeded. 正确答案：C (35)(Refer to figures ATP7-3, 7-5, 7-7 and 7-9) What limit(s) is(are) exceeded under Operating Conditions BE-14? AMaximum landing weight and landing forward CG limits are exceeded. BMaximum ZFW limit is exceeded. CTakeoff forward CG limit is exceeded. 正确答案：C (36)(Refer to figures ATP7-3, 7-5, 7-7 and 7-9) What limit(s) is(are) exceeded under Operating Conditions BE-15? AMaximum takeoff weight and takeoff forward CG limits are exceeded. BMaximum takeoff weight limit is exceeded. CMaximum ZFW and takeoff forward CG limits are exceeded. 正确答案：B (37)(Refer to figures ATP7-11, 7-14 and 7-15) What is the CG in percent of MAC for Loading Conditions WT-1? A26.0 percent MAC. B27.9 percent MAC. 27.1 percent MAC. 正确答案：C (38)(Refer to figures ATP7-11, 7-14 and 7-15) What is the CG in inches aft of datum for Loading Conditions WT-2? A908.8 inches. B909.6 inches. C910.7 inches. 正确答案：C (39)(Refer to figures ATP7-11, 7-14 and 7-15) What is the CG in percent of MAC for Loading Conditions WT-3? A29.1 percent MAC. B27.8 percent MAC. 28.9 percent MAC. 正确答案：B (40)(Refer to figures ATP7-11, 7-14 and 7-15) What is the CG in inches aft of datum for Loading Conditions WT-4? A909.0 inches. B909.5 inches. C908.4 inches. 正确答案：C (41)(Refer to figures ATP7-11, 7-14 and 7-15) What is the CG in percent of MAC for Loading Conditions WT-5? A26.7 percent MAC. B25.6 percent MAC. 27.2 percent MAC. 正确答案：A (42)(Refer to figures ATP7-12, 7-14 and 7-15) What is the gross weight index for Loading Conditions WT-6? A156,545.0 index. B165,991.5 index. C181,340.5 index. 正确答案：B (43)(Refer to figures ATP7-12, 7-14 and 7-15) What is the CG in percent of MAC for Loading Conditions WT-7? A24.0 percent MAC. B22.9 percent MAC. 21.6 percent MAC. 正确答案：A (44)(Refer to figures ATP7-12, 7-14 and 7-15) What is the CG in percent of MAC for Loading Conditions WT-8? A29.4 percent MAC. B31.3 percent MAC. 30.0 percent MAC. 正确答案：B (45)(Refer to figures ATP7-12, 7-14 and 7-15) What is the gross weight index for Loading Conditions WT-9? A169,755.2 index. B158,797.9 index. C186,565.5 index. 正确答案：A (46)(Refer to figures ATP7-12, 7-14 and 7-15) What is the CG in percent of MAC for Loading Conditions WT-10? A27.8 percent MAC. B27.0 percent MAC. 28.0 percent MAC. 正确答案：C (47)(Refer to figures ATP7-13, 7-14 and 7-15) What is the CG in percent of MAC for Loading Conditions WT-11? A27.5 percent MAC. B26.8 percent MAC. 28.6 percent MAC. 正确答案：C (48)(Refer to figures ATP7-13, 7-14 and 7-15) What is the CG in percent of MAC for Loading Conditions WT-12? A25.8 percent MAC. B27.5 percent MAC. 26.3 percent MAC. 正确答案：C (49)(Refer to figures ATP7-13, 7-14 and 7-15) What is the CG in percent of MAC for Loading Conditions WT-13? A28.6 percent MAC. B30.1 percent MAC. 29.4 percent MAC. 正确答案：A (50)(Refer to figures ATP7-13, 7-14 and 7-15) What is the CG in percent of MAC for Loading Conditions WT-14? A30.1 percent MAC. B31.5 percent MAC. 29.5 percent MAC. 正确答案：C (51)(Refer to figures ATP7-13, 7-14 and 7-15) What is the CG in Percent of MAC for Loading Conditions WT-15? A31.5 percent MAC. B29.5 percent MAC. 32.8 percent MAC. 正确答案：C (52)Determine which statement given below is correct. AOperating Weight is the sum of the DOW and the Take-off Fuel BTake-off Weight is equal to the addition of the DOW and the Payload CDOW is obtained by addition of the Basic Weight and Pantry load for A320 正确答案：A (53)Determine which statement given below is correct. AOperating Weight equals to the Take-off Weight minus the Take-off Fuel BTake-off Weight is equal to the addition of the Operating Weight and the Payload CZero Fuel Weight is obtained by subtracting the Take-off Fuel from Operating Weight 正确答案：B (54)For most modern swept-wing transports with a large proportion of fuel store in the wings, reducing fuel contents in wing tanks will result in Aan aft movement of CG as fuel is consumed Ba forward movement of CG as fuel is burning Cno effect on CG movement 正确答案：B (55)For most modern swept-wing transports, with the fuel burning , the CG will Anot change Bchange random Cchange regularly 正确答案：C (56)The CG is often expressed as a percent of MAC, 0% of MAC means Athe CG is at trailing edge of MAC Bthe CG is at middle of MAC Cthe CG is at leading edge of MAC 正确答案：C (57)The CG is often expressed as a percent of MAC, 100% of MAC means Athe CG is at trailing edge of MAC Bthe CG is at middle of MAC Cthe CG is at leading edge of MAC 正确答案：A (58)Determine the take-off CG in percent of MAC under the following condition for an A320 aircraft by completing the Figure ATP7-16. A27.2% at take-off B28.4% at take-off C30.2% at take-off 正确答案：C 59)Determine the ZFW CG in percent of MAC under the following condition for an A320 aircraft by completing the Figure ATP7-16. A29.0 % at ZFW B32.7 % at ZFW C30.7 % at ZFW 正确答案：C (60)(Refer to figures ATP7-17, 7-18 and 7-19) What is the STAB TRIM setting for Operating Conditions A-1? A29 percent MAC. B36 percent MAC. 32 percent MAC. 正确答案：A 【解析】在适当载重的飞机上，飞机重心（CG）会落在平均气动力弦（MAC）的某一点上，重心常表示为平均气动力弦的百分比（% of MAC）。图ATP7-17底部标注有CG%MAC=STAB TRIM SETTING，即起飞时配平需根据机翼的重心来设置，图下给出MAC为141.5，LEMAC (the leading edge of MAC) 也已给出549.13，在A1条件下，重心站位（CG Station）为590.2，距机翼前缘距离为590.2-549.13=41.07，根据公式：CG (inches aft of LEMAC) / MAC=41.7 / 141.5=0.29=29% MAC。(61)(Refer to figures ATP7-17, 7-18 and 7-19) What is the STAB TRIM setting for Operating Conditions A-2? A22 percent MAC. B20 percent MAC. 26 percent MAC. 正确答案：B (62)(Refer to figures ATP7-17, 7-18 and 7-19) What is the STAB TRIM setting for Operating Conditions A-3? A22 percent MAC. B18 percent MAC. 20 percent MAC. 正确答案：A (63)(Refer to figures ATP7-17, 7-18 and 7-19) What is the STAB TRIM setting for Operating Conditions A-4? A26 percent MAC. B18 percent MAC. 22 percent MAC. 正确答案：A (64)(Refer to figures ATP7-17, 7-18 and 7-19) What is the STAB TRIM setting for Operating Conditions A-5? A30 percent MAC. B26 percent MAC. 32 percent MAC. 正确答案：C 65)(Refer to figures ATP7-20, 7-21) What is the STAB TRIM setting for Operating Conditions G-1? A4-3/4 ANU. B4 ANU. C4-1/2 ANU. 正确答案：C 【解析】如图ATP7-20中G-1，CG Station为911.2，图下标注LEMAC为860.5，MAC为180.9，根据公式：CG-LEMAC / MAC= %MAC，即911.2-860.5/180.9=28% MAC。又根据G-1，襟翼位置为15，对照图ATP7-21中STAB TRIM SETTING那个表格，找到CG 28，FLAPS 15/20，对应4 1/2 ANU。(66)(Refer to figures ATP7-20, 7-21) What is the STAB TRIM setting for Operating Conditions G-2? A7-1/4 ANU. B5-3/4 ANU. C6-1/2 ANU. 正确答案：C (67)(Refer to figures ATP7-20, 7-21) What is the STAB TRIM setting for Operating Conditions G-3? A4 ANU. B3-3/4 ANU. C4-1/4 ANU. 正确答案：C (68)(Refer to figures ATP7-20, 7-21) What is the STAB TRIM setting for Operating Conditions G-4? A2-1/2 ANU. B4 ANU. C2-3/4 ANU. 正确答案：A (69)(Refer to figures ATP7-20, 7-21) What is the STAB TRIM setting for Operating Conditions G-5? A3-1/4 ANU. B2-3/4 ANU. C2-1/2 ANU. 正确答案：B (70)(Refer to figures ATP7-22, 7-23) What is the STAB TRIM setting for Operating Conditions R-1? A7-5/8 ANU. B8 ANU. C7-3/4 ANU. 正确答案：C (71)(Refer to figures ATP7-22, 7-23) What is the STAB TRIM setting for Operating Conditions R-2? A5-3/4 ANU. B6-3/4 ANU. C7 ANU. 正确答案：B (72)(Refer to figures ATP7-22, 7-23) What is the STAB TRIM setting for Operating Conditions R-3? A3 ANU. B4-1/2 ANU. C5 ANU. 正确答案：A (73)(Refer to figures ATP7-22, 7-23) What is the STAB TRIM setting for Operating Conditions R-4? A4-1/4 ANU. B4-1/2 ANU. C5 ANU. 正确答案：B (74)(Refer to figures ATP7-22, 7-23) What is the STAB TRIM setting for Operating Conditions R-5? A8 ANU. B6-3/4 ANU. C7-1/2 ANU. 正确答案：C (75)What are some characteristics of an airplane loaded with the CG at the aft limit? ALowest stall speed, highest cruise speed, and least stability. BHighest stall speed, highest cruise speed, and least stability. CLowest stall speed, lowest cruise speed, and highest stability. 正确答案：A (76)What characteristic should exist if an airplane is loaded to the rear of its CG range? ASluggish in aileron control. BSluggish in rudder control. CUnstable about the lateral axis. 正确答案：C (77)As the CG is moved forward, the stability Aimproves Bdecreases Cdoes not change 正确答案：A (78)In flight, as the time goes on, the CG will Achange Bnot change Cmay change or may not change 正确答案：A(79)In small airplanes, normal recovery from spins may become difficult if the ACG is too far rearward and rotation is around the longitudi