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Paper 2PT/23/2013Date..

01. Heat treatment of aluminum consists ofa. Solution heat treatment b. Precipitation Heat Treatmentc. Annealing . All of the abo!e

02. "ac#ing proceure of aircrafta. $inimum % &ac#ing points are pro!ieb. The legs of the &ac#s shoul be chec#e to see that the' (ill not interfere (ith the operations to be performeafter the aircraft is &ac#e.c. onl' )A* is +orrect. All of the abo!e

03. ,efore storing aircraft in hangera. -uel tan# shoul be full' fille b. -uel tan# shoul be half fillec. -uel tan# shoul be empt' . -uel tan# shoul ha!e resiual fuel

0%. f istance of cg from atum is 10 an of leaing ege of $A+ is 1%0 an length of $A+ is 100. -in $Aa. 20 b. 0 c. . 2

0. to(ing spee shoul not be more thana. 10#m/hr b. 20 #m/hr c. 0 #m/hr . 4ot to e5cee (ing (al#ers spee

0. n the circuit sho(n in the figure6 calculate the !alue of !alue ofun#no(n resistor 7 (hen the current in branch 8+ is 9eroa. %. : b. : c. ; : . 12 :

0.

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1. Turnbuc#le has groo!e or #nurl ona. 7ight han sie b. ?eft sie c. 4o such har an fast rule . ,oth )A* @ ),* are correct

1. H'raulic roun Po(er Bnits can be use fora. Drain the aircraft h'raulic s'stems.

b. -ilter the aircraft s'stem h'raulic flui.c. 7efill the aircraft s'stem (ith clean flui an chec# the aircraft h'raulic s'stems for operation an lea#s.. All of the abo!e

1. n 3C star connectiona. :oltage of line is e>ual to !oltage of phase b. ?ine current E3 phase currentc. ?ine current phase current . ?ine !oltage E3 phase !oltage

1=. ParcoFlubri9ing is a chemical treatment applicable toa. Aluminum an magnesium parts b. ron an steel partsc. 4ic#el @ +hromium . All of the abo!e

1;. n oil an chal# process pupose of -rench chal# isa. Penetrant b. Absorbtion b' chal# of flui c. De!eloper . All of the abo!e

20. Damage internal threas can be repaire b'a. 7eplacement bushing metho b. helicoil c. Acres slee!e . All of the abo!e

21. $ost 4F(elable material isa. 2 S b. 1 S c. 2 S . 3 S

22. $ar# the correct statementa. GFglass is electrical glass b. Has lo( strength an high (tc. GF glass is borosilicate glass . All

23. +orrosion bet(een the ri!ete &oints isa. intergranular corrosion b. surface corrosionc. fretting corrosion . stress corrosion

2%. H'brie isa. use as a core material in composite b. t(o or more ifferent la'er of reinforcing materialc. use as a met rise material . refrigeration of the film

2. $ar# the correct statementa. T% solution heat treatment b. T solution heat treatmentc. T solution heat treatment artificiall' age . ,oth a @ c

2. . The transferring metal from one ob&ect to another b' chemical @ coating is one to protect base metal froma. +orrosion b.

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31. The magnitue of inuce emf prouce in a coil6 (hen a magnet is inserte in it6 oes not epen upona. no. of turns in coil b. resistance of coilc. magnetic moment of magnet )magnetic strength* . spee of rotation of magnet

32.

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%. Peel pl' meansJJa. pre!ent e5cess resists b. remo!e6 after curec. pre!ent !acuum bagging from stic#ing to the paint . all are correct

%. n magnetic @ nonFmagnetic material6 coating thic#ness of ferrous @ nonFferrous allo' shoul be measure a. e' current b. magnetic particle test c. micrometer calliper . all

%=. uart9 cr'stal6 then !oltage is inuce

b. fre>uenc' epens on thic#ness c. both a @ b . 4one

;. n cable stran6 the (ires are performe to pro!iea. corrosion resistance b. fle5ibilit' c. pre!ents from ra!elling . both a @ b

0. -lare tube fittings use in a/c are mae ofa. AlFallo' b. +u c. Steel . All are correct

1. $unt9 metal consists ofa. 0 of +u an %0 of Kn b. 0 of Kn an %0 of +uc. as in )a* an basicall' brass . as in )b* an basicall' brass

2. The solering of AlFallo's iffers from other metals ue toa. high heat e5pansion an contraction b. greater heat inputc. une!en e5pansion an contraction . all

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63.Color code of 2024 Al-alloy tubing isa. white b. green c. red d. black

64.Bronze is Cu-alloy containinga. tin b. zinc c. titaniu d. all

.-or gi!en figure6 (hich is correct

a* 06061 b* 16061c* 16160 * 16060

66. . !igure showsa. " angle #ro$ection b. "" angle #ro$ectionc. """ angle #ro$ection d. %ectional #ro$ection6&.'hich instruent is a(ected by #osition errora. Altieter b. A%" c. )%" d. Both a * c

=. . entif' the figurea* T'pical e5tractor tool b* Tang brea# punchc* inserting tool * none

6+. Corrosion in a hole is reo,ed bya. helicoil insersion b. acres slee,e used c. scra# the #art d. drilling

&0.. he #art which is dry and un lubricated which of the following occursa. erosion b. abrasion c. fettlers d. all1. ual to grip length

;. $ar# the correct statement

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a. light a/c is tie o(n after e!er' flight b. light a/c is not re>uire tie o(nc. onl' (hen strong air being to flo( then tie o(n . both a @ c

=0. Pressure of gas on acet'lene (eling is epen upona. area of (eling surface b.t'pe of material being (elec. as the (eler (ill (ant . none

=1.7e brass is use

a.for fuel an oil line fittings b.as in )a* an also calle bron9ec. as in )b* an has poor casting an forming >ualit' . none

=2. Stalling angle critical angle of attac# is thea. ma5imum lift angle b. minimum lift anglec. as in )a* an at (hich separation of airflo( ta#es from upper surface of (ing. as in )b* an at (hich separation of airflo( ta#es from lo(er surface of (ing

=3. Angle of A+$G threa isa* %M b* 3=M c* 12M * 2;M

=%. The t'pe of compressor use in air c'cle cooling machine isa. a5ial compressor b. in(ar flo( compressor c .out(ar flo( compressor . none

=. Aircraft structural +7S is (ele b'a. butt (eling b. spot (eling @ sea (eling c. butt an spot (eling . spot (eling

=. Precision (ire (oun resistors are (oun (itha. carbon b. copper c. magnanin . all of the abo!e

=. "oFbolt isa. e5ternall' threae t(o piece ri!et b. e5ternall' threae three piece ri!etc. internall' threae three piece ri!et . can replace general bolts in compression to their strength

==. Plug gage is use for

a. chec#ing the internal ia of c'linrical shaft b. chec#ing the si9e of plug neee for blan#ingc. chec#ing the accurac' of holes . all of the abo!e

=;. To pre!ent soler from running a(a' from the surface to be &ointea. flu5 is use b. temperature is maintainec. cla' is commonl' use to surroun the area to be &ointe . all

;0. The si9e of the flat col chisel is etermine b'a. (ith of the cutting ege b. length of the cutting ege c. length of chisel . all

;1. 4eele file area #nurl on both sie b. #nurl on one sie onl' c. use on slat b' iameter an (atch ma#er . both a @ c

;2. Strength of composite epening upona. t'pe of fiber )boning material* b. process of manufacture c. heat treatment . all

;3. f the conuctor is of %an it stretche to t(ice of its length6 then its resistance isa* 1 b* = c* 12 * 1

;%. n o5'acetelene (eling (hile shutting off the flamea. o5'gen is shut out first b. ac'telene is shut off first c. both are shut off simultaneousl'

;. 85'acetelene flame (ith e>ual !olume of o5'gen an ac'telene gi!es the t'pes of flame as sho(n

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a. carboni9ingb.o5ii9ingc. neutral.there is no such flame

;. -illet (el is a (el (hicha. &oins the surfaces (hich are perpenicular to each other

b. &oins the t(o parts in the same plane b' clamping

c. &oins the t(o parts in the same plane b' o!erlapping. both a @ b are correct

;. The bra9ing the flame to be use isa. neutral flame

b. o5ii9ing flamec. slightl' carboni9ing.an' flame

;=. Select the characteristics of a goo gas (ela. the epth of penetration shall be sufficient to ensure fusion of filler ro

b. the height of (el heale shoul be N abo!e base metalc. the (el shoul taper off smoothl' into base metal. these shoul be no o5ie on the (el

;;. n brinell harness testing6 the thic#ness of material shoul not be less thana. times

b. 10 timesc. 20 times. 0 times

100.

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Paper 2PTF23F2013Date01 D 02 , 03 A 0% A 0 D0 , 0 , 0= , 0; A 10 A 11 D 12 + 13 D 1% + 1 ,

1 D 1 D 1= , 1; , 20 D21 + 22 D 23 + 2% , 2 ,2 D 2 , 2= A 2; A 30 +31 , 32 D 33 , 3% , 3 A 3 + 3 D 3= , 3; D %0 A %1 , %2 A %3 + %% , % ,% D % A %= A %; , 0 +1 A 2 , 3 + % , + D , = + ; D 0 D1 + 2 , 3 + % A , + D = + ; D 0 ,1 , 2 D 3 A % A A

A A = , ; A =0 ,=1 , =2 + =3 D =% + = D= + = + == D =; + ;0 A ;1 D ;2 D ;3 ,6D ;% , ; +; A ; A ;= + ;; , 100 D