[Xmat]

Module 6 b2 june 2026

1) Oil and chalk method – Surface defect

2) Flared – Regardless of pressure

3) Bowden – Mechanical

4)Titanium rivet – Recessed large and small dot

5)Residual flux – Direct chemical attack

6)Anodic or cathoid

7)MTCS – 2) Filiform corrosion

8)C chemical – Surface corrosion

9)Wing up clock – Spiral spring

10)Heat treatable rivet – 2017T

11)Cr-md – 0.25-0.55% carbon , 0.15-0.25% md , 0.50-1.10% cr

12)Nexitel – ?

13)Flexible hose – Both L and D

14)Plain Bearing – radial load although some thrust load

15)Diametrical pith – teeth per inch and as in A+ larger D smaller size

16)Dedundum – Addendum + Clearance

17)Worm Gear – one whole turn = Spur gear

18)MTCS – Aluminium is lighter than copper

19)Locking wire – Opposite direction

20)MTCS- gear should be either drive or driven

21)Hardness testing for non ferrous – Barcol Tester
22)Al – Restricted wire 6 Gauge

23)MTCS – Torque is transmitted from propeller to shaft through Key

24)MTCS – 2) Close tolerance hammer something

25)Ek hole wala quest tha ki if hole gets elongated what should be used?
A) close tolerance bolt
B) elongate more to for next larger size
C) Jo bolt

26)MTCS – Screw should be blunt or pointed

27)MTICS – Bolt and srew have same strength

28)G XX X 22 , X indicate – Manufacturer code letter

29)Sealing vacuum bag – Layup Tape

30)MTCS – 1/8 Copper Brass

31) Bolt identification last digit – Grip Length

32)Cage bearing – 100 rev/min.

33)Coaxial cable – Never Bend sharply

34)Corrosion repair – Manufacturer and service manual

35)MTICS – Red rust corrosion is not coming on titanium

36)Common method to check Delamination – Coin Taping

37)1 Circular mil = 0.785

38)Elastip. Stop nut – Higher than 250°F

39)Annealing – First heating than cooling

40)Extrusion – Forcing of metal through opening in die

41)Control cabe fabricated by – Stainless steel

42)Blot fabricated by – Cd plated and as in A+ Zinc plated

43)End fitting – Swaging, whipping, splicing

44)Proof loading test – 30 Sec

45)Adjacent flanks to the bottom of the groove is called – Root , lead , flank

46)Thermosetting – Has no softening effect

47)Adding of nickel to carbon steel – Increase Hardness

48)MTCS – Al wire 2 wire gauge large than copper wire

49)MTCS – 11-Yellow gauge

50)Flared fitting – Both A and B ( sleeve, nut – Nut should be against male fitting – flared before installation

51) MTCS – Al alloy over pure Al

52) MTCS Impact Testing – not remember

53)  Titanium disadvantages – High Melting point
54) Compressor bearing – A and as in A+ Thrust load and rollor or ball bearing is used

55) Selection of wire – Voltage drop and current carrying capacity

56) Most aircraft use which plating – Cadmium plating

57) MTCS – Al wire 2 larger than copper wire and as in A+ copper insulation

58) Al terminal lugs should be crimped to – Aluminium wire only

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