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السلام عليكم ورحمة الله وبركاته

تحيه طيبه لكل اعضاء ومشرفين المنتدى

لقد قمت ببعض التجديد فهالمشاركة بوضع بعض الأسئله وانشاء الله شباب هندسة صيانة الطائرات يستفيدون منها .

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Module 11

The aircraft exterior is given HP washing, the caution is:
A. Protection treatment may be removed.
B. To check the interior of cabin compartment for water ingress.
C. To keep temperature at least 80C

Aileron control surface is given spring-tab & a balance tab
A. Directly manual control surface
B. Operate both
C. Position balance tab only

VOR receivers receive radio signal from
A. The OD signal and directly signal
B. The non-direct signal from VOR G/S
C. The VHF line-of-sight ODS from VOR/ILS.

The effect of tuck under on swept-back wing.
A. Nose down movement thoroughly
B. Nose down movement follow nose up movement.
C. Nose up movement follow nose down movement.

Double plate around door cutout
A. Control crack propagation.
B. Multi-load path design.
C. Both above.

An electronic library system:
A. Is used to remember special technical data.
B. Is can be recalled from the CMC with special access password.
C. It can be installed in OEM before airplane is delivery.

Fluorescent light used in cabin area:
A. are usually mount on dome and sidewall
B. only one intensity output from ballast transformer.
C. are powered by ground service bus.

Fuel has leaded into compartment, venting and draining arrangement are made, inspection should be placed on:
A. to residual fuel.
B. airflow through compartment.
C. the effect on fuel on other material such as cable seal and insulation.

When checking at pneumatic deicing systems verify the follow factor:
A. Suction gauge operation initial.
B. Inflate cycle of deicer longer than deflate.
C. Not of two others.

When heating is accomplished with bleed air, the cabin air is :
A. Either engine bleed or turbocharger.
B. A mix of bleed air and ambient or recirculated air.
C. Ram air or recirculated air.

Pick out the correct state.
A. The left spoiler mixer drives left side spoilers.
B. Spoiler mixer, sum two control input.
C. Ground spoiler are deployed when landing gears down.

Pipeline leading from static vents to instruments should:
A. Rise for at least 6 inches.
B. Rise continuously towards vents.
C. Be installed level and clamped adequately

One place stair way mounted on same small A/C
A. can not be used as a plug door at the same time
B. is open side way
C. is hinged on the bottom

For combustion heater system, the solenoid shut off valve which supplies fuel to heater
A. Is de-energized to reduce
B. Is energized to reduce
C. Is depend on the air flowing into the heater

The hinge installation for rudder
A. Take the form of a vertical post secured to the rear spar of fin
B. Take the form of upper and lower bearings
C. Is recessed into balance compartment of the vertical fin

The pilot valve in pressure regulator
A. Solenoid control
B. Sensed pressure change and actuate directly spool valve
C. Anticipated the pressure surge and control main valve in advance

Area rule for A/C
A. Use for delay the shock wave formation
B. Reduce wave drag to minimal
C. Reduce form drag and skin friction

When designed as a separate member the vertical fin
A. Is both removable and adjustable
B. Forms a permanent a assemble with the stabilizer
C. Is a selects preference LOC for full tank

The tie-down assembly for a galley
A. Takes the forms of quick disconnect fasteners
B. Avoids coffee and beverage spills
C. Secures against the g-force

When O/B spoiler selector are used in lateral control system
A. The left selector selects the left O/B spoiler
B. The selection is done for a symmetrical pair of spoiler on the ground
c. The selector reduces the travel range of O/B spoiler on the ground

Optimal type temperature sensor inside a thermostatic v\v for pre-cooler operation is:
A. Evacuate bellow
B. Bi-metallic element
C. Oil filled bellow


The operation of a flight control surface utilizes a scheme of HYD balance the centering and feels effect comes from:
A. The full magnitude of ram pressure and aerodynamic force
B. The net hinge movement on the control surface
C. Countering spring and artificial device

If one of the bolt is forced defective
A. Replace bolts
B. Replace the bolts and renew the complete set of wheel
C. Replace the bolt and renew all fusible plugs

Operation of fowler flap
A. Increase wing area but no camber
B. Maintain same wing load
C. Increase the fame arable pressure gradient on the wing section

Under wet take off condition followed by freezing, the structural inspection focus should be
A. oils oil leaks
B. engine intake and exhausts
C. landing gear door seal

In fulfill airworthiness, structure design must
A. Light and strong, always light alloy
B. Be damage tolerance as to facilities in time inspection and remedy
C. Be high fatigue and crack resist

Th storage life of high pressure pneumatic compartment
A. Is not limit
B. Is defined in MM
C. Is variable determined by non metal part in assembly

The part CMC that can be customized for an airline
A. Is loaded into the sys manufacture a/c delivery time
B. Can be loaded using a software data loaded in the man sequence center
C. Consist of note and help page

The pin-type pin design for wing -body joint is not commonly used for modern transport because
A. The pin-joint is too simple
B. A simple pin connection tend to cause corrosion problem
C. No fail safety provision though attachment redundancy

The advantage of TAT probe over flush bulb is that it has
A. high recovery
B. negligible time lag
C. both A and B
The head of engine fire bottle is
A. check out to pass very much reduced current through squib
B. not allow intentional thermal discharge
C. installed with explosion cartridge spot 1 and 2

Pick out the correct statement about secondary structure
A. Can take part of primary load
B. May be include class 1 structure
C. May be made of composite material

In an ACM the fan compressor turbine unit
A. Cool only by boosting ram air convection rate
B. Generally utilized on ground and for high ambient temp.
C A redundant device

A yaw may be caused by
A. Different dihedral angle
B. An oversize fin
C. A twisted fuselage

Wing fence
A. Is usually used to the root than to the tip of the wing
B. Is installed to inject energy into the boundary layer by causing vortex flow
C. Reduce tendency to wing tip vortices

Fail safe structural design
A. Is essentially dual load parts and load sharing
B. Is a scheme to ensure adequate strength under corrosion environment
C. Will not work unless coupled with adequate inspection failing


When the torque applies to a gyro is increased, the precession rate will be
A. Increased.
B. Decreased.
C. Unchanged.

Multi damage
A. Is present of same damage at alternator path
B. Is present of second damage dependent or independent primary damage
C. Is present of sever corrosion

Pneumatic component storage is
A. No limited
B. Is defined in MM
C. Variable determined by the non-metallic part

APU output pressure is 42 psi. because
A. Pneumatic duct at 45 psi when on loading
B. Above this pressure will prevent the engine crossfeed start
C. When engine start the pressure reduce fast

Which is not unit type detector?
A. Melting link and thermal couple detector
B. Differential expansion switch and central-electrode detector
C. Melting link and differential expansion switch


Potable water system
A. Pressurized sys apply from compressor with pressure system
B. Either with self -vent faucet or heated drain mask
C. Electric heater applied to all along the water line

Toilet installation
A. Flush sys only include clued flush handle, motor pump filter assembly and reuired tube
B. Stainless steel bowl are install with flexible restrictor on top of the waste tank
C. Waste tank make of glass fiber with spring loaded drain v/v

Seat install
A. All is directional
B. Forward and after
C. Only in belt active

The balancing mass for flight control surface is
A. Installed forward of the hinge line
B. To the extent of repositioning the CG at mid chord
C. Aimed to balance partially force in the system

The skid control v/v
A. Increase the brake metered pressure when skid occurs
B. Are normally closed shot off v/v
C. Are down stream and in serious with brake control v/v

Composite material flight control surface
A. Need to have drainage opening like the all -metal of surface
B. Are often completely sealed from the atmosphere
C. Are installed with rivet type fasteners


The apparent wander for directional gyro is
A. Compensate by applying a constant force
B. Max at the pole
C. Dependent on longitude

Air storage bottle in hi-pressure pneumatic sys
A. Is a input device
B. Has pressure and return connection
C. Is generally make

of steel alloy