L'objectif de ce module est de s'exercer sur la communication en milieu professionnel en appliquant des principes et des techniques de communication écrite et orale: À la fin du module le stagiai...
it is for all grade 7. you can us this in science subjectFull description
some MULTIPLE CHOICE QUESTIONS
infectious diseases
microelectronics
Module 7 MCQ (Reimagined) 1. A control cable that has been contaminated with acid should be – rejected 2. The check for cable pulling out of a swaged fitting is by – looking for a shiny surface on the cable near the fitting. 3. A reel used to hold an aircraft cable in storage should have a minimum diameter – at least 40 times that of the cable diameter 4. A cable is replaced – if chemical spillage is suspected. 5. If the turnbuckles in a control system are tightened excessively, the result will be – the aircraft will be heavy on controls 6. A suspected chemical spillage on cable, you should – replace the cable 7. HTS aircraft control cables are protected from corrosion by – Galvanising 8. What is the purpose of the hole in the swaged end fitting on swaged cable – to ensure the cable end passes the inspection hole on drilled through type fittings but leaves the locking wire hole clear 9. Swaging of a cable end fitting is checked by – using a go/no-go gauge on the barrel 10. Caustic soda applied to a metal turns black. This would indicate the metal is – duralumin 11. Bend radius on sheet metal is – inside radius 12. Aircraft skin is joggled (flush fit) to – provide smooth airflow at faying surface 13. The sight line on a sheet metal flat layout to be bent in a cornice or box brake is measured and marked – one radius from the bend tangent line that is placed under the brake 14. When piece of metal is bent, the surface of the metal on the outside of the bend is – in tension 15. Scribers are used to – mark guide lines on material 16. Dissimilar metal diffusion bonding gives – high strength and stiffness 17. A non-destructive testing technique which is suitable for inspecting for delamination in redux bonded structure of light aluminium alloys are – ultra sonic 18. Why is an extra layer of fibreglass added to a composite repair – to increase the strength of repair 19. Glass reinforced panels are bonded by – special conductive paint 20. Insufficient heat used in soldering will cause – a high resistance joint potential 21. The oxyacetylene flame for silver soldering should be - neutral 22. A flux is used in soldering to – dissolve oxides 23. Solder can be used to join – some dissimilar metal 24. A flux is used in soldering to – dissolve oxides 25. A resurfaced soldering iron cant be used effectively until after the working surface has been
– tinned 26. Silver copper is made from – copper, zinc and silver. 27. Brazing material is made from – copper , zinc and silver 28. When inspecting a weld, you should make sure that – the parent (or basis) materials are fully fused together 29. Forward and aft limit of the CoG – are specified by the manufacturer 30. Variable load is weight of – crew, crew baggage and equipment relevant to role 31. Aircraft must be reweighted – after 2 years from manufacture then at periods not exceeding 5 years
32. Previous weighing records - are kept with the aircraft records 33. A weight and centre of gravity schedule must be signed by – a licensed aircraft engineer 34. The basic weight of an aircraft is – the aircraft, minimum equipment, unusable fuel and oil 35. Where would you find the information on the conditions for weighing the aircraft – maintenance manuals 36. When mooring on aircraft, what type of rope should be used – nylon 37. Aluminium clad alloy sheet should not be polished with mechanical buffing wheels as this – may remove the aluminium coating 38. When refuelling aircraft from a tanker, why are the air and tank bonded – to maintain aircraft and tanker at the same electrical potential 39. What test do u do on a bonded joint – shear 40. What is used on magnesium to re-protect it – selenious acid 41. In the procedure to be followed after spillage of battery acid, neutralizing is carried out – with a dilute solution of sodium bicarbonate 42. To neutralise spilled battery acid on aluminium alloy, use – bicarbonate of soda 43. When an earth-return terminal assembly has to be replaced which of the following checks must be carried out – bending in millivolt drop test 44. Wrinkling of an aircraft skin will – cause rivets to pull 45. An inspection of a critical bolted joint you witness a black or grey dust or paste. What type of corrosion took place and materials involved – fretting corrosion in aluminium alloys 46. What indicated by the wrinkling of the underside of an aircraft skin - hogging 47. What is used to re-protect a magnesium – selenious acid 48. What is used on magnesium to remove corrosion – Chromic acid / sulphuric acid solution 49. Removal of corrosion from aluminium acid alloy is best done – chemically by sulphuric acid solutions 50. Vapour phrase inhibitor should be used – when re-protecting after corrosion 51. How is damage classified on aircraft skin – negligible repairable replacement 52. On a composite repair, the vacuum should be – at the required level 53. When carrying out dye penetrant test, a fter the developer has been applied it should be inspected – as soon as the developer is dry and again after approximately 10 minutes 54. What is NDT method would u use to detect delamination – ultra sound 55. If after spraying developer, red blotches appear, the part – is porous 56. What is the purpose of the developer in dye penetrant inspection – it acts as a blotter to draw out the penetrant that has seeped into the crack 57. When inspecting aircraft after lightning strike, you should observe – all sign of burning 58. Skin wrinkling on lower surface of wing caused by – hogging 59. An on condition inspection involves – an inspection of a component with a view to continued operations if its condition warrants such action 60. If an unauthorized repair is carried out – the CoA is invalid until authorized repair has been done 61. The most appropriate fire extinguisher for an aircraft wheel and brake wound be – dry powder 62. What causes dermatitis – Washing hands in solvents 63. Who is responsible for ensuring that weight and balance instrumentation is serviceable before use – the person responsible for carrying out the procedure
64. The pitch of hacksaw blade is – the number of teeth per inch 65. Vee-blocks are manufactured – in sets of two and identified per use as set 66. What is used to measure the depth of a blend after corrosion repair – dial test indicator 67. Centre punches are made of – high carbon hardened and tempered 68. The purpose of taper tap is to – start a thread 69. An open circuit on an ohmmeter would be indicated by a reading of – infinite resistance 70. When is coarse blade is used – When cutting material of thick cross section 71. Why are teeth of hacksaw blades off-set – to provide clearance for non-cutting part of the blade 72. When carrying out test on a circuit when a known resistance exists, what instrument would you use – a multimeter 73. The internal resistance of ammeter is – low 74. To carry out continuity test you would use – a low reading ohmmeter 75. In a moving coil meter the deflecting force is provided by – a current carrying coil pivoted in permanent magnet field 76. The force acting on a meter which return the pointer to zero is called the – controlling force 77. The force acting on meter which moves the pointer to zero is called – deflecting force 78. When using Megger to test insulation resistance, capacitive filler should be disconnected to
– prevent damage to the fillers 79. Which pictorial projection show one piece in true elevation and line of depth normally draw at 30 ° and 45° to the horizontal – oblique 80. The scale of an engineering drawing is shown as 1 : 4. This indicated that it is – drawn to a quarter 81. 10 : 1 on an engineering drawing indicates – the drawing is ten times full size 82. One purpose of schematic diagrams is to show the – functional location of component within system 83. The maximum permissible bow in aspect ratio is – 1 : 600 84. The length of a blended repair of corrosion should not be less than – 20 times its depth 85. As light drive clearance between ¾ inch diameter bolt and hole on a drawing would be shown as – o.oo15 inch 86. To prevent wet arc tracking – ensure hot stamp printing is controlled 87. When crimping wires, wires should be – lightly twisted 88. 89. When securing wire after it leaves an LRU, cable bundle bend should not be less than – minimum radius of eight times the outside diameter of cable or cable bundles 90. When riveting the distance from the edge to the rivet (land) should not be less – 2D 91. The standard minimum rivet row spacing i s – 4D 92. When riveting a certain clearance must exist between rivet and the hole in which it is fitted to allow for shank expansion. If clearance too large what could be the result – separation of the sheets may occur 93. What is the purpose of the Avdel pin tester – to test the tightness of the pin in the rivet 94. The grip of a rivet is - the thickness of plates which can be fastened 95. Fretting corrosion on braided pipe line would meant it was – unserviceable and should be replaced
96. To allow for shrinkage, vibration and whip all straight hoses must be – 3% longer than distance between the fittings 97. Springs are manufactured from high carbon alloy steel with high strength requirement 98. Brinelling of a wheel bearing could be caused by – heavy landing 99. Small indentations in the race of a ball bearing indicate – brinelling 100.
After cleaning a bearing should be dried with – clean warm dry compressed air
101.
Chipping of a ball bearing indicates – spalling
102.
An inspection a bearing is found to have distortion what action should be taken –
reject bearing 103.
An inspection a bearing is found to show of overheating what action should be taken
– reject bearing 104.
Contra chains should be fitted in an AK – with the minimum of slack in the chain
105.
Backlash is type of wear associated with – gears
106.
After chain has been cleaned in paraffin it should be – dried in hot air