QuestionsgBankgofgBasicgAutomotivegTechnology[PDMAEgT001]
Q.gNo. Question
Ingagfourgstrokegcyclegenginegc
1 amshaftgrevolvesgatg
the
gcrankgspeed.
Marksg:g0,g2,g0,g0gCorrectgChoiceg:g2
1.gTwo 3.gFour
times times
4.gThree
2.gHalf
times
Theggearsgongcamshaftgan
2 dgcrankshaftgaregknownga
s
Marksg:g0,g0,g2,g0gCorrectgChoiceg:g3
1.gLining 3.gTiming
gears gears
2.gAligning 4.gTuning
ggears ggears
3 Thegmaterialgknowngasghighgcarbon
ghighgcoppergchromegsilicongcastgst
eelgisgusedgforgmaking
Marksg:g2,g0,g0,g0gCorrectgChoiceg:g1
1. 3.gCylinder
Camshaft ghead
2.gCylinder
4.gPiston
gbody
Camshaftggeargisgmadegfromgwhic
4 hgmaterial
Marksg:g0,g0,g2,g0gCorrectgChoiceg:g3
1.gCast
3.gBakelite
iron
2.gMild
4.gBrass
steel
Crankshaftsgaregusuallygconstructe
5 dgby
, Marksg:g0,g2,g0,g0gCorrectgChoiceg:g2
3.
1.gCasting
Drawing
2.gDrop 4.
gforgin Extrusion
g
Thegmaingreasonsgforgcranksha
6 ftgweargare
Marksg:g0,g0,g0,g2gCorrectgChoiceg:g4
1.
3.
Differentgl
Misalignm
oadsgatgso
gentgingco
megpointsg
nnectinggg
of
rod
rotation
2.
Centrifuga
lgforces 4.gAllgof
duegto these
crankshaft
rotation
Thegmaingcausesgofgcranksha
7 ftgvibrationgare
Marksg:g0,g0,g0,g2gCorrectgChoiceg:g4
3.
1.
Unbalance
Variation
gdgweightg
gingtorqu
ofgparts
e
2.gCyclic
variationg
4.gAllgofgth
ofggasgan
ese
d
combustio
ngproducts
8 Ingthegcam,gthegdistancegbetween
g thegbasegcirclegandgthegnosegisgc
alled
Marksg:g2,g0,g0,g0gCorrectgChoiceg:g1
1.gLift 3.gFlank
, 2.gLobe 4.gPitch
Thegcrankshaftgrotatesgthegcamshaf
9 tgusing
Marksg:g0,g2,g0,g0gCorrectgChoiceg:g2
1.gBelt 3.gGear
drive drive
2.gChain 4.gMotor
drive drive
Thegcrankshaftgshouldgbeginspecte
10 dgfor
Marksg:g0,g0,g0,g2gCorrectgChoiceg:g4
3.
Cleanlines
1.gCracks
gsgofgoilgg
allaries
2.
Alignment
of 4.gAllgof
crankpins these
and
journals
Whatgisgthegmaterialgofgt
11 hegconnectinggrod
Marksg:g0,g2,g0,g0gCorrectgChoiceg:g2
1.gMild 3.gTool
steel steel
2.gForged 4.gCast
steel iron
Whichgofgthegfollowinggitemgisgma
12 degofgaluminiumgalloy
Marksg:g0,g2,g0,g0gCorrectgChoiceg:g2
3.
1.gPistongri
Connectin
ng
gggrod
4.
2.gPiston Crankshaf
gt
13 Pistongpingisgalsogknowng
as
Marksg:g2,g0,g0,g0gCorrectgChoiceg:g1
, 1.
3.gScrew
Gudgeon
gpin
gpin
2.gCrank 4.gNonegof
pin these
14 Compressiongringsgaregfittedgatgt
he
Marksg:g0,g0,g2,g0gCorrectgChoiceg:g3
1.gMiddle 3.gTopgofgs
gofgskirt kirt
2.gBottomg 4.gNonegof
ofgskirt gthese
Pistongringsgaregnotgcompletel
15 ygclosedgbecause
Marksg:g0,g2,g0,g0gCorrectgChoiceg:g2
3.gTheyg ar
egdesigned
1.gClosedgr gtogletgpas
ingsgaregh sgsomeglub
ardgtogma ricantgtogt
nufactgure hegcombu
stiogngcha
mber
2.gGap
allowsgthe
ringgto 4.gNonegof
expand these
andgfit
over
Thegentrancegofgthegpistongpinghole
16 gisgsealedgby
Marksg:g0,g2,g0,g0gCorrectgChoiceg:g2
1.gSteelgpl 3.gRubber
ating gring
Q.gNo. Question
Ingagfourgstrokegcyclegenginegc
1 amshaftgrevolvesgatg
the
gcrankgspeed.
Marksg:g0,g2,g0,g0gCorrectgChoiceg:g2
1.gTwo 3.gFour
times times
4.gThree
2.gHalf
times
Theggearsgongcamshaftgan
2 dgcrankshaftgaregknownga
s
Marksg:g0,g0,g2,g0gCorrectgChoiceg:g3
1.gLining 3.gTiming
gears gears
2.gAligning 4.gTuning
ggears ggears
3 Thegmaterialgknowngasghighgcarbon
ghighgcoppergchromegsilicongcastgst
eelgisgusedgforgmaking
Marksg:g2,g0,g0,g0gCorrectgChoiceg:g1
1. 3.gCylinder
Camshaft ghead
2.gCylinder
4.gPiston
gbody
Camshaftggeargisgmadegfromgwhic
4 hgmaterial
Marksg:g0,g0,g2,g0gCorrectgChoiceg:g3
1.gCast
3.gBakelite
iron
2.gMild
4.gBrass
steel
Crankshaftsgaregusuallygconstructe
5 dgby
, Marksg:g0,g2,g0,g0gCorrectgChoiceg:g2
3.
1.gCasting
Drawing
2.gDrop 4.
gforgin Extrusion
g
Thegmaingreasonsgforgcranksha
6 ftgweargare
Marksg:g0,g0,g0,g2gCorrectgChoiceg:g4
1.
3.
Differentgl
Misalignm
oadsgatgso
gentgingco
megpointsg
nnectinggg
of
rod
rotation
2.
Centrifuga
lgforces 4.gAllgof
duegto these
crankshaft
rotation
Thegmaingcausesgofgcranksha
7 ftgvibrationgare
Marksg:g0,g0,g0,g2gCorrectgChoiceg:g4
3.
1.
Unbalance
Variation
gdgweightg
gingtorqu
ofgparts
e
2.gCyclic
variationg
4.gAllgofgth
ofggasgan
ese
d
combustio
ngproducts
8 Ingthegcam,gthegdistancegbetween
g thegbasegcirclegandgthegnosegisgc
alled
Marksg:g2,g0,g0,g0gCorrectgChoiceg:g1
1.gLift 3.gFlank
, 2.gLobe 4.gPitch
Thegcrankshaftgrotatesgthegcamshaf
9 tgusing
Marksg:g0,g2,g0,g0gCorrectgChoiceg:g2
1.gBelt 3.gGear
drive drive
2.gChain 4.gMotor
drive drive
Thegcrankshaftgshouldgbeginspecte
10 dgfor
Marksg:g0,g0,g0,g2gCorrectgChoiceg:g4
3.
Cleanlines
1.gCracks
gsgofgoilgg
allaries
2.
Alignment
of 4.gAllgof
crankpins these
and
journals
Whatgisgthegmaterialgofgt
11 hegconnectinggrod
Marksg:g0,g2,g0,g0gCorrectgChoiceg:g2
1.gMild 3.gTool
steel steel
2.gForged 4.gCast
steel iron
Whichgofgthegfollowinggitemgisgma
12 degofgaluminiumgalloy
Marksg:g0,g2,g0,g0gCorrectgChoiceg:g2
3.
1.gPistongri
Connectin
ng
gggrod
4.
2.gPiston Crankshaf
gt
13 Pistongpingisgalsogknowng
as
Marksg:g2,g0,g0,g0gCorrectgChoiceg:g1
, 1.
3.gScrew
Gudgeon
gpin
gpin
2.gCrank 4.gNonegof
pin these
14 Compressiongringsgaregfittedgatgt
he
Marksg:g0,g0,g2,g0gCorrectgChoiceg:g3
1.gMiddle 3.gTopgofgs
gofgskirt kirt
2.gBottomg 4.gNonegof
ofgskirt gthese
Pistongringsgaregnotgcompletel
15 ygclosedgbecause
Marksg:g0,g2,g0,g0gCorrectgChoiceg:g2
3.gTheyg ar
egdesigned
1.gClosedgr gtogletgpas
ingsgaregh sgsomeglub
ardgtogma ricantgtogt
nufactgure hegcombu
stiogngcha
mber
2.gGap
allowsgthe
ringgto 4.gNonegof
expand these
andgfit
over
Thegentrancegofgthegpistongpinghole
16 gisgsealedgby
Marksg:g0,g2,g0,g0gCorrectgChoiceg:g2
1.gSteelgpl 3.gRubber
ating gring
