Mass and Balance: Exam 3, 30 questions, 60 minutes
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Mass and Balance Exam 3, 30 questions, 60 minutes
1.
The maximum floor loading for a cargo compartment in an aircraft is given as 750 kg per square metre. A package with a mass of 600 kg is to be loaded. Assuming the pallet base is entirely in contact with the floor, which of the following is the minimum size pallet that can be used. (a) (b) (c) (d)
2.
by by by by
200 300 200 300
cm cm cm cm
52.0 kg 41.6 kg 416.0 kg 520 kg
For this question refer to the loading manual MRJT fig 4.9. From the manual for the transport aeroplane, the maximum floor loading intensity for the aft cargo compartment is. (a) (b) (c) (d)
4.
cm cm cm cm
The maximum floor loading for an aeroplane is given in the flight manual as 650 kg per square metre. What is the the maximum mass of a package which can be safely supported on a pallet with dimensions of 80 cm by 80 cm? (a) (b) (c) (d)
3.
30 40 40 30
68 lb per square foot 150 kg per square foot 68 kg per square foot 68 kg per square metre
An aeroplane, which is scheduled to fly an oceanic sector, is due to depart from a high altitude airport in the the tropics at 1400 local time. The airport has an exceptionally long runway. Which of the following is most likely to be the limiting factor(s) in determining the take off mass. (a) (b) (c) (d)
altitude and temperature of the departure airport en-route obstacle clearance requirements maximum zero fuel mass maximum certified take off mass
Bristol Groundschool Groundschool
Mass & Balance Exam 3
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5.
Regarding the following terms (i) (ii)
Dry Operating Mass (DOM) Operating Mass (OM)
Which statement is correct? (a) (b) (c) (d) 6.
The total mass of the aeroplane including crew and crew baggage, catering and removable passenger equipment, potable water and lavatory chemicals, but excluding usable fuel and traffic load is referred to as. (a) (b) (c) (d)
7.
(b) (c) (d)
the operator may use the standard masses for the balance, but must correct these for the load calculation the operator may use the standard masses for the load and balance calculation without correction the operator should use the individual masses of the passengers or alter the standard masses the operator is obliged to use the actual mass of of each passenger.
The maximum quantity of the fuel that can be loaded into an aircraft’s tanks is 3800 US gallons. If the fuel SG is 0.79, the maximum fuel mass which may be loaded is: (a) (b) (c) (d)
9.
Dry Operating Mass Zero Fuel Mass Basic Empty Mass Maximum Zero Fuel Mass
The operator of an aircraft equipped with 50 seats uses standard masses for passengers and baggage. During the preparation of a scheduled flight a group of passengers present themselves at the check in desk. It is apparent that even the lightest of these exceeds the value of the declared standard mass. (a)
8.
the DOM includes take off fuel the DOM includes fixed equipment needed to carry out a specific flight the OM includes the traffic load the OM is the the mass of the aeroplane without without take off fuel
18206 11364 13647 14383
kg kg kg kg
Standard masses may be used for the computation of the mass values for baggage if the aeroplane.
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10.
The empty mass of an aeroplane is 61300 kg. The mass of the operational items (including crew) is given as 2300 kg. If the take off mass is 132000 kg and useable fuel 43800 kg, the useful load is. (a) (b) (c) (d)
11.
whenever a major modification is carried out whenever the C of A is renewed 9 years for each aeroplane 4 years for each aeroplane
The responsibility responsibility for for determination determination of the mass of “operating items” and “crew members” included within the Dry Operating Mass lies with. (a) (b) (c) (d)
14.
take off mass and operating mass take off mass and basic mass plus trip fuel operating mass and basic mass take off mass and basic mass
An aeroplane must be reweighed at certain intervals. Where an operator uses fleet masses and provides that changes have been correctly documented, this interval is. (a) (b) (c) (d)
13.
kg kg kg kg
Traffic load is the difference between the (a) (b) (c) (d)
12.
68400 70700 26900 29600
the the the the
person compiling the weighing schedule commander authority of the state of registration operator
Given:
Empty Mass MZFM
44800 kg 65500 kg
Operational items (including crew standard mass 1060 kg) are 2300 kg. The maximum traffic load is: (a) (b) (c) (d)
19460 23000 18400 20700
kg kg kg kg
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15.
Given:
DOM Max Structural TOM MLM MZFM Trip fuel Take off fuel
38000 kg 72000 kg 65000 kg 61000 kg 8000 kg 10300 kg
Find what (i) the maximum allowed take off mass and (ii) payload are respectively. (a) (b) (c) (d) 16.
(b) (c) (d)
kg kg kg kg
(ii) (ii) (ii) (ii)
24700 25300 23000 27000
kg kg kg kg
heavier than anticipated and the calculated safety speeds will be too low heavier than anticipated and the minimum V1 speed will be too low lighter than anticipated and the calculated V2 speed will be too low lighter than anticipated and the calculated minimum V1 speed will be too high.
A flight benefits from from an unforecast tail wind and arrives considerably earlier than planned. If the fuel consumption during the flight remains as planned and, on arrival, a straight in approach and clearance for immediate landing is given, the landing mass will probably be higher than planned. (a) (b) (c) (d)
18.
73000 71300 71300 73000
Prior to departure an aeroplane is loaded with 16500 litres litres of fuel at a 3 fuel density of 780 kg/m . This is entered into the load sheet at 16500 kg and calculations are carried out accordingly. As a result of this error, the aeroplane is: (a)
17.
(i) (i) (i) (i)
and the approach path will be steeper and the approach path will be steeper and threshold speed higher and a longer landing distance required but the landing distance will be unaffected
If an aeroplane is at a higher mass than anticipated, for a given airspeed the angle of attack will: (a) (b) (c) (d)
be decreased, drag will decrease and endurance will increase remain constant, drag will increase and endurance will increase be greater, drag will increase and endurance will reduce remain constant, drag will reduce and endurance will reduce
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19.
At maximum certified TOM an aeroplane departs from an airfield which is not limiting for either take take off or landing masses. During initial climb, one engine suffers a contained disintegration. An emergency is declared and the aeroplane returns to departure airfield for an immediate landing. The most likely result of this action will be. (a) (b) (c) (d)
20.
Refer to MRJT1 fig 4.9. For the transport aeroplane the moment (balance) arm (BA) for the forward hold centroid is. (a) (b) (c) (d)
21.
1564lb and 1676lb respectively 762kg and 711kg respectively 6736lb and 4530lb respectively 2059kg and 3062kg respectively
Given:
(a) (b) (c) (d) 23.
257 inches 314.5 inches 421.5 inches 367.9 inches
Refer to MRJT1 fig 4.9. The maximum permissible mass in the forward compartment of the rear hold and the rear compartment of the forward hold is: (a) (b) (c) (d)
22.
a high threshold speed and a shorter stop distance a short landing as a result of the increased angle of approach necessary at very high aeroplane mass a high threshold speed and possible undercarriage or other structural failure a landing further along the runway than normal
47.0% 63.4% 23.1% 36.3%
Given:
Distance from datum to CG Distance from datum to LE Length of MAC Calculate the CG as a % MAC.
12.53 m 9.63 m 8.00 m
MAC MAC MAC MAC CG is located 1700cm aft of the datum Aeroplane mass 36000 kg
What is the effect on the CG if you move 20 passengers (total mass 1600kg) from1600cm aft of the datum to 2300cm aft? (a) (b) (c)
it moves fwd by 0.157 m it moves aft by 0.157 m it moves fwd by 3.22 m
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24.
The Centre of Gravity of an aircraft moves forward in flight as fuel is consumed. This results in: (a) (b) (c) (d)
25.
increased stability which means lower control forces in pitch increased stability which means higher control forces in pitch reduced stability which means higher control forces in pitch reduced stability which means lower control forces in pitch
Refer to MEP1 fig 3.4. Given:
(a) (b) (c) (d) 26.
the MTOM the bending moment in the wing root the trip fuel loaded strain on the landing gear
35 40 45 50
If an aircraft is neutrally stable this would would suggest that (a) (b) (c) (d)
29.
9360 56160 30888 430546
Use Annex 1 to determine the Dry Operating Index for a DOM of 35,000kg and a %MAC of 14%. (a) (b) (c) (d)
28.
100 gallons 55 gallons 6lb/gallon fuel moment.
In an aircraft with no centre tank the MZFM is related to (a) (b) (c) (d)
27.
Block fuel Trip fuel Fuel density Determine the block
the the the the
Centre Centre Centre Centre
of of of of
Gravity Gravity Gravity Gravity
is is is is
at the forward edge of the permitted range in the centre of of the permitted range near the aft limit of the permitted range beyond the aft limit of the permitted range
What would would not affect the Centre of of Gravity Gravity position? (a) (b) (c) (d)
Cabin crewmembers performing their normal duties Fuel usage Stabilator trim setting Gear extension
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30.
Which document should you you refer to obtain obtain specific gravity data to permit conversion of fuel quantity to fuel mass in the event that the actual density is not provided? (a) (b) (c) (d)
JAR OPS 1 Subpart J Operations Manual ICAO Annex 6 JAA IEM 20(c)
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Mass & Balance Exam 3, 30 Questions, 60 Minutes
A
B
C
D
A
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Name:
B
C
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……………………………………….
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