cwet_sample_april_2011
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SAMPLEQUESTIONS
Note:Thesequestionsareillustrative. Thepattern,scope,arrangement,variety,difficultylevel,etcintheactualquestionpapermayvary.
INSTRUCTIONSFORCANDIDATES
1. Pleasedonotopenthisbookletuntilyouaretoldtodoso.2. Please fill up the necessary information in the space provided on the cover of the Question
BookletandtheAnswerSheetbeforecommencementofthetest.
3. Thedurationofthetestis90minutes.Thereare50questions.4. PleasecheckforthecompletenessoftheQuestionBookletimmediatelyafteropening.5. Eachquestionhasfouroptionsmarked(1),(2),(3)and(4).6. AnswersaretobemarkedontheAnswerSheet,whichisprovidedseparately.7. Choose thecorrectoptionanddarken thecirclecompletely,corresponding to (1), (2), (3)or (4)
againsttherelevantquestionnumber.
8. UseonlyHBpenciltodarkenthecircleforanswering.9. Pleasedonotdarkenmorethanonecircleagainstanyquestion,asscannerwillnotreadthesame
correctly.
10.Ifyouwishtochangeanyanswer,erasecompletelytheonealreadymarkedanddarkenthefreshcirclewithanHBpencil.
11.Allquestionscarryequalmarks.Therewillbe25%negativemarkingforwronganswers12.Rough work, if any, is to be done on the Question Booklet only. NO separate sheet will be
provided/usedforRoughWork.
13.Calculator,Pager,Mobile,Electronicsgadgetsetc.arenotpermittedinsidetheexaminationhall.14.Candidatesusingunfairmeansinthetestwillbedisqualified.15.Appropriate civil/criminal proceedings will be instituted against the candidate taking or
attemptingtotakethisbookletorpartofitoutsidetheexaminationhall;besidescancellationof
candidature.
16.Therighttoexcludeanyquestion(s)fromfinalevaluationrestswiththetestingauthority.
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1. Dimensionsofcoefficientofviscosityare
(1) ML1T1 (2) ML2T2 (3) ML2T1 (4) MLT
2. Aspringhasaforceconstantkandmassm issuspendedfrom it.Thespring iscut inhalfandthesamemassissuspendedfromoneofthehalves.Ifthefrequencyofoscillationinthefirstcaseis ,
thenthefrequencyinthesecondcasewillbe
(1)
2 (2) 2 (3) (4) 2
3. Iftwoballsofsamemetalweighing5gmand10gmstrikeatargetwiththesamevelocity.Theheat
energysodevelopedisusedforraisingtheirtemperaturealone,thenthetemperaturewillbe
(1) equalforboththeballs (2) higherforbiggerball
(3) higherforsmallerball (4) Noneofthese
4. Inanelasticcollisionoftwoparticles,whichofthefollowingisconserved?
(1) Totalkineticenergyofboththeparticles(2) Speedofeachparticle
(3) Momentumofeachparticle
(4) Kineticenergyofeachparticle
5. Therankofthematrix is
1 1 1
1 1 0
1 1 1
(1) 0 (2) 1
(3) 2 (4) 3
6. Anexaminationconsistsoftwopapers,Paper1andPaper2.TheprobabilityoffailinginPaper1is
0.3andthatinPaper2is0.2.GiventhatastudenthasfailedinPaper2,theprobabilityoffailingin
Paper1is0.6.Theprobabilityofastudentfailinginboththepapersis
(1) 0.5 (2) 0.18
(3) 0.12 (4) 0.06
7. Theorderofthedifferentialequation
d y
dt
dy
dty e
2
2
3
4 t+
+ =
is
(1) 1 (2) 2
(3) 3 (4) 4
8. Inwhichoneofthefollowingprocesses,inaclosedsystemthethermalenergytransferredtoagas
iscompletelyconvertedtointernalenergyresultinginanincreaseingastemperature?
(1) Isochoricprocess (2) Adiabaticprocess
(3) Isothermalprocess (4) Freeexpansion
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9. Inelectricitygeneration,thepowerdensityisexpressedas
(1) Powerperunitvolume (2) Powerperunitarea
(3) Powerperunitlength (4) Powerperunitweight
10. TheTheveninsequivalentofthefollowingcircuitis
(1)R3(R1+R2)/R1+R2+R3 (2)(R1+R2)/R1+R2+R3(3)R1+R2+R3 (4)(R3+R2)/R1+R2+R3
11. Thetransconductancecurveis
(1)Linear (2)Similartothegraphofaresistor
(3)Nonlinear (4)Likeasingledraincurve
12. Globalwarmingistheresultofincreaseintheamountof
(1) O3 (2) SO2 (3) CO2 (4) N2O
13. The National Renewable Energy Laboratory (NREL), an international laboratory conducting R&D
worktowardsrenewableenergy,issituatedin
(1) USA (2) China (3) UK (4) France
14. Whichamongthefollowingismostenergyefficient?
(1) Incandescentbulb (2) Fluorescenttubelight
(3) Compactfluorescentlamp (4) Mercurybulb
15. Charcoalabetterfuelthanwoodbecauseit
(1) hasahighercalorificvalue
(2) doesnotproducesmokewhileburning
(3) burnseasily
(4) Allofthese
16. Inwhich yearwas the Kyoto Protocol to theUnitedNations Framework Convention on Climate
Changeadopted?
(1)
11
December
1997
(2)
28
January
1998
(3) 10December1999 (4) 1January2001
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Directions (Questions 1718): Letters in thesequestions follow a certainpattern.Under eachquestion
thereare fouranswer choicesmarked (1) to (4).Find theanswer choice that can replace thequestion
markintheletterseries.
17. DILQTYBG?
(1)H (2) J (3) R (4) K
18. HVGTFREPDN?
(1)KL (2) LM (3) MN (4) CL
Directions(Questions19):Eachofthesehasaquestionfollowedbytwostatements,[A]and[B].Markthe
answeras
(1)ifthequestioncanbeansweredbyusingstatement[A]alone.(2)ifthequestioncanbeansweredbyusingstatement[B]alone.(3)if thequestioncanbeansweredbyusingbothstatements together,butcannotbeanswered
usingeitherstatement[A]or[B]alone.
(4)ifthequestioncannotbeansweredevenbyusingbothstatementstogether.19. k>100,isitaprimenumber?
[A]whenkisdevidedby16,theremainderis9.
[B]7kisnotaprimenumber.
20. Ameaningfulword ismade if we take the first, fourth, fifth, seventh, tenth, eleventh and the
twelfth lettersof theword FELICITATIONS.Whichof the followingwillbe the fifth letterof that
wordfromtherightendofthatword?
(1)T (2) C (3) N (4) I
21. Inaclass,20%ofthemembersownonlytwocarseach,40%oftheremainingownthreecarseach
andtheremainingmembersownonlyonecareach.Whichofthefollowingstatementsisdefinitely
truefromthegivenstatements?
(1)Only20%ofthetotalmembersownthreecarseach.
(2)48%ofthetotalmembersownonlyonecareach.
(3)60%ofthetotalmembersownatleasttwocarseach.
(4)80%ofthetotalmembersownatleastonecar.
Directions(Questions22):Studytheinformationgivenbelowandanswerthequestionsthatfollow.
A,B,C,D,EandFarecousins.Notwocousinsareofthesameage,butallhavebirthdaysonthesame
date.Theyoungest is17yearsoldandtheoldestE is22.F issomewherebetweenBandD inage.A is
older
than
B.
C
is
older
than
D.
22. Whichofthefollowingisnotpossible?
(1)Dis20yearsold (2) Fis18yearsold (3) Fis19yearsold (4) Fis20yearsold
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