KavindraSingh(EnrollUser) LogOut
HOME SCORECARD TIMEMANAGEMENT QUESTIONSREPORT SOLUTION
MYTEST
MYPROFILE SolutionReportForFullSyllabusTest3
Representwholetestsolutionwithcorrectandincorrectanswers.
REPORTS
ViewYourTestAnalysis
BUYPACKAGE
NEWS
Q.No QuestionStatus
AskanExpert
Q.1 Choosethebestalternativewhichcanbesubstitutedforthegivensentence
Afaultthatmaybeforgiven
a.Rhetoric
b.Stoic
c.Verbatim
d. Venial
NotAttempt CorrectAns. d
VideoSolution FAQ? Haveanydoubt? Solution
Q.2 If the room had been brighter , we would have been able to read for a while
before bed time. Which of the following statements can be replaced by the
underlined part so that the statement is correct. If no improvement, then
selectoption(d).
a.Iftheroomwasbrighter
b.Ittheroomarebrighter
c. Hadtheroombeenbrighter
d.Noimprovement
NotAttempt CorrectAns. c
VideoSolution FAQ? Haveanydoubt? Solution
Q.3 In this question, out of the four alternatives, choose the options which is
closestinmeaningtoPERPLEX.
a.engross
b. bemuse
c.demur
d.halcyon
NotAttempt CorrectAns. b
VideoSolution FAQ? Haveanydoubt? Solution
Q.4
Thenumberofnonnegativerealsolutionoftheequation2x x1=0is
a.0
b.1
c. 2
d.3
NotAttempt CorrectAns. c
VideoSolution FAQ? Haveanydoubt? Solution
Q.5 IFD=4andCOVER=63,thenBASIS=________
NotAttempt CorrectAns. 50
VideoSolution FAQ? Haveanydoubt? Solution
Q.6 Inthequestion,asentenceisgivenwithanidiom.Identifythecorrectmeaning
outofthefourpossiblemeaningswhicharegiven.
Everythingatthepartywentofflikeclockwork.
a.gowrong
b. gosmoothly
c.faceproblems
d.getdelayed
NotAttempt CorrectAns. b
VideoSolution FAQ? Haveanydoubt? Solution
Q.7 Twothirdofaconsignmentwassoldataprofitof5%andremainderwassold
ataprofitof2%.Iftotalprofitwas 800,thenthevalue(in )ofconsignment
is
a. 20,000
b.18,000
c.16,000
d.24,000
NotAttempt CorrectAns. a
VideoSolution FAQ? Haveanydoubt? Solution
Q.8 Fromtheoptionsgivenbelow,choosethecorrectoptionwhicharrangesthe
sentenceintheproperorder.From1to6.
1.ThoughthegovernmentclaimsP.ithasfailedtoarrest.
Q.therateofinflationisdownR.orthedecrease
S.theriseinprices6.inthepercapitaincome
a.PQRS
b.PQSR
c.PSQR
d. QPSR
NotAttempt CorrectAns. d
VideoSolution FAQ? Haveanydoubt? Solution
Q.9 I was born in such a year that its square root divided by another perfect
squaregavemybirthdatewhichwasaprimenumber.ThemonthIwasbornin
hadeightlettersbutonly30days.IfIwerea20thcenturymanthenIwasborn
on
a.February,11th ,1926
b.November8th ,1936
c. November11th ,1936
d.February,8th ,1926
NotAttempt CorrectAns. c
VideoSolution FAQ? Haveanydoubt? Solution
Q.10 If is a repeating non
terminatingdecimalnumberthenthesmallestnaturalnumberbywhichNcan
bemultipliedsothattheresultantisanaturalnumberis_______.
NotAttempt CorrectAns. 999
VideoSolution FAQ? Haveanydoubt? Solution
Q.11 Amousecanhaveamass25gandanelephantamassof7500kg.Whatis
the ratio D2 : D1 so that the elephant is supported by the mouse in this
hydraulicsystem?
a.200
b.273.5
c. 547.7
d.1050.4
NotAttempt CorrectAns. c
FAQ? Haveanydoubt? Solution
Q.12 Theexpressionforpolytropicspecificheatisgivenby
where=indexofadiabaticprocess
n=indexofpolytropicprocess
a.
b.
c.
d.
NotAttempt CorrectAns. c
FAQ? Haveanydoubt? Solution
Q.13 Astructuralframeisshowninthefigure,hingedatAandrollersupportedatD.
ThetotalreactionatsupportDis
a.65kN
b.75kN
c. 50kN
d.80kN
NotAttempt CorrectAns. c
FAQ? Haveanydoubt? Solution
Q.14 Which of the following graphs correctly represents the variation of applied
pressureincaseofforwardextrusionprocess?
a.
b.
c.
d.
NotAttempt CorrectAns. d
FAQ? Haveanydoubt? Solution
Q.15 A psychrometric process takes place along constant WBT line as shown in
thefigure
Thespecifichumidityatstatepoint1is
a. 5.96g/kgofdryair
b.0.596g/kgofdryair
c.0.5g/kgofdryair
d.5g/kgofdryair
NotAttempt CorrectAns. a
FAQ? Haveanydoubt? Solution
Q.16 Acircularrod16mmdiaand500mmlongissubjectedtoatensileloadof40
kN.Themodulusofelasticityfortherodin200GPa.Whatistheelongation(in
mm)inthebarduetoappliedload?
a.0.25mm
b. 0.50mm
c.0.75mm
d.1.00mm
NotAttempt CorrectAns. b
FAQ? Haveanydoubt? Solution
Q.17 Aparticleofmassmismovinginacircularpathofconstantradiusr, such
that its centripetal accelerationac is varying with time tasac =k 2 rt 2 (k =
constant).Whatisthepowerdeliveredtotheparticlebytheforcesactingon
it?
a.
b.
c.
d.
NotAttempt CorrectAns. c
FAQ? Haveanydoubt? Solution
Q.18 Thenaturalfrequencyofvibrationofthesystemshownbelowis
k1 =k2 =1500N/mk3 =2000N/mm=5kg
a.2.50Hz
b. 3.73Hz
c.4.50Hz
d.5.03Hz
NotAttempt CorrectAns. b
FAQ? Haveanydoubt? Solution
Q.19 Abar24mmindiaand400mminlengthisacteduponbyanaxialloadof38
kN.Theelongationofthebarandchangeindiameteraremeasuredas0.165
mmand0.0031mm.WhatisthePoisson'sratio?
a. 0.313
b.0.212
c.0.111
d.0.414
NotAttempt CorrectAns. a
FAQ? Haveanydoubt? Solution
Q.20 Whatisthedesignstressforapistonrodsubjectedtoreversalofloadsasper
following data? The surface of the rod is ground and surface finish factor is
0.9.Thereisnostressconcentration.Thefactorofsafety=2.Theendurance
limitise .
a. 0.45e
b.0.9e
c.0.5e
d.0.75e
NotAttempt CorrectAns. a
FAQ? Haveanydoubt? Solution
Q.21 Aboltisacteduponbyanaxialpullof16kNandatransverseshearforceof
10kN.Whatisthediameter(mm)oftheboltbymaximumshearstresstheory
iftheallowableshearstressis50MPa?
a.12
b.14
c. 19
d.18
NotAttempt CorrectAns. c
FAQ? Haveanydoubt? Solution
Q.22 A120cmpipeisinserieswitha60cmpipe.Thespeedofthewaterinthe120
cmis2m/s.Whatisthewaterspeedinthe60cmpipe?
a.4m/s
b.12m/s
c.6m/s
d. 8m/s
NotAttempt CorrectAns. d
FAQ? Haveanydoubt? Solution
Q.23 Air enters at 1 bar and is compressed to 16 bar at the end of a two stage
compressor with temperatures at the inlet of first and second compressor
being 27C and 227C. The pressure at the exit of first compressor for
minimumworkis
a.4.1bar
b. 9.8bar
c.8.2bar
d.6.2bar
NotAttempt CorrectAns. b
FAQ? Haveanydoubt? Solution
Q.24 The general solution of the differential equation
withinitialconditionsx(0)=0,x(0)=1willbe
a.tet
b.(1+t)et
c. tet
d.(1t)et
NotAttempt CorrectAns. c
FAQ? Haveanydoubt? Solution
Q.25 Inabinomialdistributionthemeanis9andtheStandardDeviation()is
Thevalueofn(totalnumberoftrials)andp(theprobabilityofsuccessofthe
eventineachtrial)are_________.
a.
b.
c.
d.
NotAttempt CorrectAns. a
FAQ? Haveanydoubt? Solution
Q.26 A thin shield of emissivity 0.2(on both sides) is placed between two infinite
parallelplatesattemperature127Cand527Candreflectivity0.8each.The
temperatureoftheshieldis__________K.
NotAttempt CorrectAns. 683(681685)
FAQ? Haveanydoubt? Solution
Q.27 Asiphonisusedtodrawwaterfromareservoir.Iftheheadlossinthepipeis
3.9m,theflowratewillbe___________liters/s.
NotAttempt CorrectAns. 9.12(9.19.2)
FAQ? Haveanydoubt? Solution
Q.28 Thenetworkforaprojectalongwithactivitydurationandcostsareindicated
in the figure below. If the indirect cost is 10 per day, the total cost of
completingtheprojectis _________.
NotAttempt CorrectAns. 1150
FAQ? Haveanydoubt? Solution
Q.29 AnassemblylineconsistsofworkstationsXYZwithprocessingtimeper
unit 30 min, 15 min and 20 min respectively. The number of workstations X
requiredtocompletelybalancetheassemblylineis___________.
NotAttempt CorrectAns. 6
FAQ? Haveanydoubt? Solution
Q.30 Theatomicpackingfactorforafacecentredcubicis_________.
NotAttempt CorrectAns. 0.74
FAQ? Haveanydoubt? Solution
Q.31 Inorthogonalcuttingwithuncutchipthicknessof0.5mmatacuttingspeedof
2m/s,ifthechipthicknessis0.75mm,thechipvelocityis_________m/s.
NotAttempt CorrectAns. 1.33(1.321.34)
FAQ? Haveanydoubt? Solution
Q.32 Acylindricalcupisdrawnfroma2mmthicksheet.Thecupsheethasdia15
mm and height 40 mm. The minimum required diameter of the blank is
_____________mm.
NotAttempt CorrectAns. 51.2(5152)
FAQ? Haveanydoubt? Solution
Q.33 Asteelrailis12mlongandislaidatatemperatureof18C.Themaximum
temperature expected is 40C. Taking = 12 106 per C. The expected
changeinitslengthis___________mm.
NotAttempt CorrectAns. 3.168(3.13.2)
FAQ? Haveanydoubt? Solution
Q.34
Themagnitudeofgradientforthescalarfunctionf(x,y,z)=x2 +y 2 +z3 at
point(1,1,1)is7.Thevalueof||is__________.
NotAttempt CorrectAns. 3
FAQ? Haveanydoubt? Solution
Q.35 IfXisazeromeanunitvarianceGaussianRandomVariable,thenthevalue
ofE[|5X|]is________.(E[ ]representsexpectationoperator)
NotAttempt CorrectAns. 3.99(3.804.20)
FAQ? Haveanydoubt? Solution
Q.36 A rigid tank contains air at 2 bar and 57C. The pressure is raised by heat
transfer from a constant temperature reservoir at 407C. The surrounding
temperatureis27C.Thelossofavailableenergyofairduetoheattransferis
a.398.4kJ/kg
b.68.3kJ/kg
c.407.03kJ/kg
d. 44.83kJ/kg
NotAttempt CorrectAns. d
FAQ? Haveanydoubt? Solution
Q.37 Inelectrodischargemachining(EDM),ifthethermalconductivityofthetoolis
highandspecificheatoftheworkpieceislow,thenthetoolwearandmaterial
removalrateisexpectedtobe:
a.HighandHigh
b.HighandLow
c.LowandLow
d. LowandHigh
NotAttempt CorrectAns. d
FAQ? Haveanydoubt? Solution
Q.38 A pump is installed in a pipeline, the HGL (Hydraulic grade Line) and EGL
(EnergyGradeLine)forthefluidflowinglefttoright,whenthepumpisinfull
operation,arecorrectlyrepresentedby
a.
b.
c.
d.
NotAttempt CorrectAns. c
FAQ? Haveanydoubt? Solution
Q.39 Theconditiontopreventselflockingofthefollowingbrakeis
a.
b.
c.
d.
NotAttempt CorrectAns. b
FAQ? Haveanydoubt? Solution
Q.40 AhorizontalbeamABissimplysupportedatAandB,6mapart.Thebeamis
subjectedtoaclockwisemomentof300kNmatadistanceof4mfromleft
endasshowninfigure.Themaximumbendingmomentinthebeamis
a.150kNm
b.300kNm
c. 200kNm
d.600kNm
NotAttempt CorrectAns. c
FAQ? Haveanydoubt? Solution
Q.41
WhatwouldbethesupportreactionatA?
a.
b.
c.
d.
NotAttempt CorrectAns. a
FAQ? Haveanydoubt? Solution
Q.42 Thecrushingstressinducedbetweentheplatesandtherivet,iftheloadPon
thejointis48kN(inMPa)
P=48kN,t=16mm,d=25mm
a.50
b.75
c. 60
d.100
NotAttempt CorrectAns. c
FAQ? Haveanydoubt? Solution
Q.43 An aeroplane runs at 600 km/h. The rotor of the engine weighs 4000 N with
radius of gyration of 1 m. The speed of the engine rotor seen from the rear
sideoftheaeroplaneis3000rpm.Iftheplanetakesaloopupwardsinacurve
of100mradius.Whatisthegyroscopiccouple(inkNm)actingonit?
a.107
b.230
c.340
d. 214
NotAttempt CorrectAns. d
FAQ? Haveanydoubt? Solution
Q.44 A plate 100 mm wide and 10 mm thick is to be welded to another plate by
meansofadoubleparallelfillets.Theplatesaresubjectedtoastaticloadof
80kN.Whatisthelength(inmm)oftheweldifthepermissibleshearstressin
thewelddoesnotexceed55MPa?Allow12.5mmforstart/stop.
a.103
b. 115.4
c.90
d.130
NotAttempt CorrectAns. b
FAQ? Haveanydoubt? Solution
Q.45 Aparticlemovesinthexyplanewithconstantaccelerationadirectedalong
thenegativeyaxis.Theequationofmotionoftheparticlehastheformy=px
qx2 (pandqarepositiveconstant).Thevelocityoftheparticleattheorigin
ofcoordinatesis
a.
b.
c.
d.
NotAttempt CorrectAns. a
FAQ? Haveanydoubt? Solution
Q.46 Aflywheelhasmassof6.5tonnesandradiigyrationof2m.Ifthemaximum
and minimum speeds are 120 rpm and 118 rpm respectively. What is the
maximumfluctuationofenergyinkNm?
a.30
b.40
c.55.5
d. 67.8
NotAttempt CorrectAns. d
FAQ? Haveanydoubt? Solution
Q.47 WhatisthereactionatAontheoverhangbeamshownbelow?
a.16.66
b.75
c.70
d. 8.33
NotAttempt CorrectAns. d
FAQ? Haveanydoubt? Solution
Q.48 A timber beam is to be designed to carry a load of 5 kN/m over a simply
supportedspanof6m.Depthistwicethewidth.Ifpermissiblestressintimber
is10N/mm2 ,whatis(mmmm)thebeamsection?
a.100200
b. 150300
c.200400
d.175350
NotAttempt CorrectAns. b
FAQ? Haveanydoubt? Solution
Q.49
Arigidvesselofvolume0.5m3 containsanidealgasat1kPapressure.An
extraction pump is used to reduce the pressure inside the vessel. The gas
leaves the vessel at a constant volume flow rate of 0.02 m3 /min. The time
taken to reduce the pressure in the vessel to 0.5 kPa, assuming the
temperatureofthegastoremainconstantis
a. 17.32min
b.25.15min
c.36.16min
d.12.81min
NotAttempt CorrectAns. a
FAQ? Haveanydoubt? Solution
Q.50
Thevalueof wherecistheunitcircle|z|=1,is
a.0
b. 2i
c.4i
d.i
NotAttempt CorrectAns. b
FAQ? Haveanydoubt? Solution
Q.51
The value of the integral over the region in the first
quadrantforwhichx+y1,is
a.
b.
c.
d.
NotAttempt CorrectAns. b
FAQ? Haveanydoubt? Solution
Q.52 AiratatemperatureTflowsoveraflatplatewithafreestreamvelocityof
U.TheplateismaintainedataconstanttemperatureofTs .ThetemperatureT
ofairatanylocationisgivenby
where y is the distance measured from plate along its normal and t is the
thermal boundary layer thickness. The hydrodynamic boundary layer
thicknessatthelocationis___________mm.
NotAttempt CorrectAns. 13.32(1314)
FAQ? Haveanydoubt? Solution
Q.53
Waterflowsat0.01m3 /sthrougha75mmdiametersmoothpipewithlengthL
=100m.Takingfrictionfactorf=0.0162andsuddencontractionfactork=0.5.
Thereservoirdepthdrequiredtomaintainflowis_________m.
NotAttempt CorrectAns. 6.04(66.10)
FAQ? Haveanydoubt? Solution
Q.54 AfireenginepumpdeliverswatertoanozzleatCsituatedattheendofa100
mmdiapipe.Thevelocityatthenozzleis8.31m/sandjetdiameteris75mm.
Neglecting major and minor losses the power required to drive the pump is
_________kW.
NotAttempt CorrectAns. 12.75(1213)
FAQ? Haveanydoubt? Solution
Q.55 Inadoublepipeheatexchangertheheatcapacityrateofhotfluidishalfthatof
coldfluidandtheinlettemperaturesofhotandcoldfluidsare100Cand20C
respectively. The ratio of the area of parallel flow heat exchanger to that of
counter flow heat exchanger which will give the same hot fluid outlet
temperatureof60Cis__________.
NotAttempt CorrectAns. 1.14
FAQ? Haveanydoubt? Solution
Q.56 The velocity diagram for an impulse wheel of diameter 1 m rotating at 4200
rpmisshownbelow.Assuminganenergylossof36percentontheblades,the
axialvelocityvf2 indicatedinthediagramis_____________m/s.
NotAttempt CorrectAns. 35.7(3536)
FAQ? Haveanydoubt? Solution
Q.57 ThehsdiagramforaRankinecycleisgivenbelow
Assuming pump work of 15 kJ/kg, the friction losses in the pump are
________percent.
NotAttempt CorrectAns. 33.33(3334)
FAQ? Haveanydoubt? Solution
Q.58 In a DC arc welding operation, the voltage follow: Varc = 20 + 5l where l is
length of arc, which was varied from 5 mm to 7 mm. The arc current was
variedfrom400Ato500A.Theopencircuitvoltagefortheweldingoperationis
____________V.
NotAttempt CorrectAns. 95
FAQ? Haveanydoubt? Solution
Q.59
Moist air with enthalpy 15 kJ/kg and specific volume 0.9 m3 / kg enters a
chamber at the rate of 90 cmm. The atmospheric pressure is 1 bar. While
passing through the chamber air absorbs specific heat at the rate of 40 kW
andpicksup36kg/hofsaturatedsteamofsaturatedsteamofenthalpy2400
kJ/kg.Theenthalpyoftheleavingairis____________kJ/kg.
NotAttempt CorrectAns. 53.4(5354)
FAQ? Haveanydoubt? Solution
Q.60 Thestartingsolutionofatransportationproblemisgivenasfollows
The increase in transportation cost if one unit is supplied from S1 to D2 is
___________units.
NotAttempt CorrectAns. 5
FAQ? Haveanydoubt? Solution
Q.61 Inaproductionhouse,themaximumlevelofaninventoryitemis100unitsand
is achieved with gradual replenishment at an effective rate of 200 units per
month.Theoptimumquantitytobeorderedeachtimeis150units.Thenumber
ofordersperyeartominimizetheannualcostwouldbe________.
NotAttempt CorrectAns. 8
FAQ? Haveanydoubt? Solution
Q.62 Inorthogonalturningofmediumcarbonsteel,thespecificmachiningenergyis
2.0 J/mm3 . The cutting velocity, feed and depth of cut are 120 m/min, 0.2
mm/rev,and2mmrespectively.Themaincuttingforce(N)is_____________.
NotAttempt CorrectAns. 800
FAQ? Haveanydoubt? Solution
Q.63 During the testing of an IC engine using Willans line method, following
observationsweremade
Observation1:Whentheenginedevelopsapowerof100kW,itconsumesonly
10kgperhouroffuel.
Observation2:Whenitconsumes20kgperhouroffuel,itdevelops220kW
power.
Thebsfc(brakespecificfuelconsumption)oftheenginewhenitconsumes15
kgperhourfuelis________kg/kWhr.
NotAttempt CorrectAns. 0.094(0.090.098)
FAQ? Haveanydoubt? Solution
Q.64
ThevalueofKis___________,whereK
NotAttempt CorrectAns. 0.1585(0.140.17)
FAQ? Haveanydoubt? Solution
Q.65
The first approximation (x1 ) of the equation xe x 2 = 0, using Newton
Raphsons method to three decimal places is __________. (assume initial
valuex0 =0)
NotAttempt CorrectAns. 2
FAQ? Haveanydoubt? Solution
