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93/2015
Maximum:100marks
Time:1hourand15minutes

LAchemicalreactionwilloccurspontaneouslyatconstantpressureandtemperature,ifthefreeenergyis:
(A)Zero
(B)+VE
(C )-VE
(D)Noneofthese

2.Entropyisameasureofthe-----------ofasystem.
(A)Temperaturechangesonly
(B)Disorder
(C )Orderlybehavior
(D)Noneofthese

3.Fundamentalprincipleofrefrigerationisbasedonthe-----------
(A)'Second
(B)Zeroth
(C )First
(D)Third

lawofthermodynamics.
4.Heatingofwaterunderatmosphericpressureisan----------------process.
(A)Isochoric.
(B)Adiabatic
(C )Tsobaric
(D)Isothermal

5.Moltensoapmassistransportedbya
(A)Diaphragm
(B)Reciprocating
(C )Gear—pump
(D)Centrifugal

6.Mostcommonlyusedjointintheundergroundpipelineisthe:
(A)Sleevejoint
(B)Flangedjoint
(C )Coupling
(D)Expansionjoint

7.Thefluidpropertyduetowhich,mercurydoesnotwettheglass:
(A)Cohesion
(B)Surfacetension
(C )Viscosity
(D)Adhesion

8.Checkvalvesareused:
(A)Athighpressure               (C )Inbends
(B)Forunidirectionalflow        (D)Forcontrollingwaterflow

9.Theratioofinertialforcestoelasticforcesiscalledthe-
(A)Reynolds
(B)Euler
(C )Mach
(D)Webernumber.

10.Whichofthefollowinghastheminimumabsorptivity?
(A)Aluminiumfoils
(B)Coaldust
(C )Refractorybricks
(D)Ironplates

11.Modeofheattransferinvolvedinthecoolingofaircooledinternalcombustionengines
(A)Conduction
(B)Forcedconvection
(C )Radiation
(D)Naturalconvection

12.Whichofthefollowinghasmaximumthermalconductivity?
(A)Coal
(B)Iron
(C )Nitrogen
(D)Tar

13.Openpanevaporatorsarepreferredtobeused,whenthesolutiontobeconcentratedis:
(A)Scaling
(B)Salty
(C )Highlyviscous
(D)Corrosive

14.Whichofthefollowingismostsuitableforcoldviscousfeed?
(A)Forwardfeed
(B)Backwardfeed
(C )Mixedfeed
(D)Parallelfeed

15.Heattransferoccursbynaturalconvectionbecausechangeintemperaturecausesdifferencein:
(A)Viscosity
(B)Density
(C )Thermalconductivity
(D)Heatcapacity'

16.Separationoftwoormorecomponentsofaliquidsolutioncannotbeachievedby:
(A)Absorption
(B)Fractionalcrystallization•
(C )Liquidextraction
(D)Evaporation

17.Whichofthefollowingprovidesmaximumcontactsurfaceforaliquid-vapoursystem?
(A)Bubble-capplatecolumn
(B)Wettedwallcolumn
(C )*Packedtower
(D)Sieve-platecolumn

18.Whichistheseparationtechniqueusedfordesalinationofseawater?
(A)Reverseosmosis
(B)Adsorption
(C )Absorption
(D)Thermaldiffusion

19.Rateofadsorptionincreasesasthe:
(A)Sizeofadsorbentincreases
(B)Pressuredecreases
(C )Temperaturedecreases
(D)Temperatureincreases

20.Thenumberofgrammolesofsoluteperkilogramofsolventiscalled:
(A)Normality
(B)Molarity
(C )Molecularweight
(D)Molality

21.Separationofamixtureoftwogasesbyabsorptionintheliquidsolventdependsuponthedifferenceintheir:
(A)Viscosity-
(B)Density
(C )Relativevolatility
(D)Solubility

22.Useofpackedtowersfordistillationisgenerallylimitedtothe:
(A)Smallsizes
(B)Multicomponentdistillation
(C )Highpressureoperation
(D)Vacuumdistillation

23.CalciumAmmoniumNitrate(CAN)is:
(A)Acomplexfertilizer   (C )Anexplosive
(B)Amixedfertilizer     (D)Astraightfertilizer

24.Ammoniasynthesisgasisproducedfromnaturalgasby:
(A)Partialoxidation
(B)Thermalcracking
(C )Hydrogenation
(D)Steamreforming

25.CatalystusedinHabersprocessforammoniaproductionis:
(A)Nickel
(B)Reducedironoxide
(C )VanadiumPentoxide
(D)Silicagel

26.Triplesuperphosphateismadebyreactingphosphaterockwith--
(A)Sulphuric
(B)Phosphoric
(C )Nitric
(D)Hydrochloric acid.

27.Ureaisproducedfromcarbondioxideand:
(A)NitricOxide (C )Ammonia
(B)AmmoniumNitrate (D)Nitricacid

28.AsolutionwithreasonablypermanentpHiscalleda/an------solution.
(A)Colloidal
(B)Buffer
(C )Non-ideal
(D)Ideal

29.Isotonicsolutionsmusthavethesame:
(A)Normality
(B)Viscosity
(D)Molarconcentration
(C )Criticaltemperature

30.Withincreaseintemperature,thesurfacetensionofwater:
(A)Decreases
(B)Increaseslinearly
(C )Increases
(D)Remainsconstant

31.folyVinylChloride(PVC)isa----s-----material.
(A)Thermoplastic
(B)Thermosetting
(C )Fibrous
(D)Chemicallyactive

32.Outofthefollowing,thejointproducedby-hasthelowerstrength.
(A)Soldering
(B)Welding
(C )Brazing
(D)Rivetting

33.Heatingofanorebelowitsmeltingpointinpresenceofexcessofairiscalled:
(A)Calcination
(B)Smelting
(C )Roasting
(D)Sublimation

34.Psychrometerdeterminesthe:
(A)Humidityofgases
(B)Moisturecontentofthesolids
(C )Waterofcrystallization
(D)Hygroscopicnatureofsolids

35.Whatistheabsorptivityofablackbody?
(A)1
(B)0
(C )0.95
(D)0.78

36.Whichofthefollowinghasthehighestflashpointofall?
(A)Diesel
(B)Kerosene.
(C )Petrol
(D)Furnaceoil

37.Octanenumberofgasolineisameasureofits:
(A)Knockingtendency
(B)Ignitiondelay
(C )Ignitiontemperature
(D)Smokepoint

38.Flashpointofanoilisdeterminedbythe:
(A)Ramsbottomapparatus
(B)PenskyMartensapparatus
(C )Redwoodviscometer
(D)Conradsonapparatus

39.Glycerinisaby-productoftheindustry.
(A)Paint
(B)Oilhydrogenation
(C )Soap
(D)Detergent

40.CaOiscalled:
(A)Slakedlime
(B)Quicklime
(C )Calcite
(D)Limestone

41.Adeviceusedtoremovecondensatefromsteamheatedequipmentis:
(A)Coils
(B)Kettles
(C )Condensers
(D)Traps

42.Centistokesisunitof:
(A)'Absoluteviscosity
(B)Kinematicviscosity
(C )Pressure
(D)Surfacetension

43.Joule-Thomsonco-efficientforanidealgasis:
(A)1
(B)-1
(C )0
(D)00

44.Whichisanexampleofreciprocatingpump?
(A)Gearpump
(B)Screwpump
(C )Lobepump
(D)Diaphragmpump

45.Manometersareusedtomeasure:
(A)Flowrate
(B)Viscosity
(C )Pressuredifference
(D)Atmosphericpressure

46.Whichofthefollowingenzymeshelpsbreakingdownofstarchintomaltose?
(A)Amylase'
(B)Zymase
(C )lnvertase
(D)Pepsin

47.Inadrycell,thecathodeusedis:
(A)Iron
(B)Zinc
(C )Aluminium
(D)Graphite

48.Theactivationenergyofareactioncanbeloweredby:
(A).Raisingtemperature
(B)Loweringtemperature
(C )Removingproducts
(D)Addingacatalyst

49.Sodiumsaltsoffattyacidsareknownas:
(A)Vegetableoils
(B)Gasoline
(C )Soaps
(D)Detergents

50.AlkylhalidesontreatmentwithaqueousKOHgives:
(A)Acids
(B)
(C )Aldehydes
(D)

51.Chloroformisusedas:
(A)Fertilizer
(B)
(C )Detergent
(D)

52.Formalinisanaqueoussolutionof:
(A)FormylChloride
(B)
(C )Formaldehyde
(D)

53.Whichofthefollowinghashighestsolubilityinwater?
(A)Aceticacid
(B)
(C )Benzoicacid
(D)

54.Anilineispurifiedby:
(A)Simpledistillation
(B)
(C )Vacuumdistillation
(D)

55.TheoxidationnumberofSulphurinSO2is:
(A)+2
(B)
(C )-2
(D)

56.Themostradioactiveelementis:
(A)Uranium
(B)
(C )Polonium
(D)

57.Thebasicprincipleusedinhydrogenbombis:
(A)Nuclearfission.
(B)
(C )Nuclearfusion
(D)

58.Theprocessofvulcanizationmakesrubber:
(A)Solubleinwater
(B)
(C )Lesselastic
(D)

Alcohols
Alkanes
Fuel
Anaesthetic
FormamideFormicacid
Propionicacidn-butyricacid
SteamdistillationExtractionwithasolvent
+4
—4
Radium
Thorium
NucleardisintegrationNeutronsplitting
Soft
Hard

59.Whichofthefollowingisanadditionpolymer?
(A)Glucose
(B)Ethylene
(C )Terylene
(D)Polyethylene

60.Biochemicalreactionswhichcantakeplaceintheabsenceofoxygenarecalled:
(A)Metabolic
(B)Aerobic
(C )Anaerobic
(D)Glycolysis

61.Turbidityofwaterisanindicationofthepresenceof:
(A)Suspendedinorganicmatter
(B)Dissolvedsolids
(C )Floatingsolids
(D)Dissolvedgases

62.Whichofthefollowingisnotcategorizedasa”mechanicalOperation”?
(A)Agitation
(B)Filtration
(C )Sizereduction
(D)Humidification

63.,Invarusedinthermocouplesisanalloyofnickeland:
(A)Iron
(B)Copper
(C )Chromium
(D)Lead

64.Agoodlubricantshouldhavehigh:
(A)Viscosityindex
(B)Volatility
(C )Pourpoint
(D)Noneofthese

65.Whenvaporizationtakesplacedirectlyattheheatingsurface,itiscalled?
(A)Filmboiling
(B)Vapourbinding
(C )Nucleateboiling
(D)Noneofthese

66.Thenumberofkilogramofwatervapourizedperkilogramofsteamfedtotheevaporatoris
definedas:
(A)Capacity
(B)Rateofevaporation
(C )Rateofvapourization
(D)Economy

67.Pascalistheunitfor:
(A)Temperature
(B)Pressure
(C )Frequency
(D)Conductivity

68.Radiocarbondatingtechniqueisusedtoestimatetheageof:
(A)Rocks
(B)Monumerlts
(C )Soil
(D)Fossils

69.Onenanometerisequalto:
(A)106
(C )KT9
(B)10-8
(D).10-6

70.Whichofthefollowingcontainstheleastpercentageofcarbon?
(A)Pigiron
(B)Wroughtiron
(C )Castiron
(D)Malleableiron

71.Thematerialusedforcoatingtheweldingelectrodeistermedas:
(A)Flux
(B).Slag
(C )Protectivelayer
(D)Binder

72.Chlorineactsasableachingagentonlyinthepresenceof:
(A)Dryair
(B)Pureoxygen
(C )Moisture
(D)Sunlight

73.Whichistheonlymetalthatexistinliquidstateatroomtemperature?
(A)Sodium
(B)Lithium
(C )Strontium
(D)Mercury

74.TherefrigerantFreon-12ischemically:
(A)CC12F2 (C )CC1F3
(B)CC13F (D)CC14F

75.Heatfluxisthetimerateofheattransferperunit:
(A)Length
(B)Volume
(C )Area
(D)Noneofthese

76.Themostefficientcoolingtoweroutofthefollowingis:
(A)Atmospheric
(B)Forceddraft
(C )Naturaldraft
(D)Induceddraft

77.Milkisdriedusuallyina--------------dryer.
(A)Freeze
(B)Spray
(C )Tray
(D)Rotary

78.Diaphragmpumpsareusedtotransport:
(A)Solids
(B)Liquids
(C )Fluids
(D)Slurries

79.Cavitationinacentrifugalpumpcanbeavoidedbykeepingthe:
(A)Inletpressurehigh
(B)Outletpressurelow
(C )Inletpressurelow
(D)Outletpressurehigh

80.tAnoilisconvertedintofatbyits:
(A)Hydrolysis
(B)Hydrocracking
(C )Hydration
(D)Hydrogenation

81.ThepresentChairpersonofUPSC:
(A)RajaniRazdan
(B)SujataSingh
(C )SmritiIrani
(D)NirupamaRao

82.Thecropswhicharesownintherainyseason?
(A)Rabicrops
(B)Zaidcrops
(C )Kharifcrops
(D)alltheabove

83."Bharatipura”,authoredby:
(A)ChetanShagat
(B)U.RAnanthamurthy
(C )MulkRajAnand
(D)ArundhatiRoy

84.InwhichplacetheBlacksoilcanbeseen?
(A)Kuttanad
(B)Idukki
(C )Nilambur
(D)Chittoor

85.ThemembersofRajyasabhaareelectedfor:
(A)Fiveyears
(B)Sixyears
(C )Fouryears
(D)Sevenyears

86.Theworld‘slargestindoorstadiumhasbeenopenedinwhichcountry
(A)Hungry
(B)Canada
(C )Philippines
(D)Germany

87.WorldOzoneDayobservedon
(A)16September
(C )22March
(B)21February
(D)23March

88.ThechairmanofthegoverningbodyofKuduinbasreemission:
(A)DirectorofPanchayath
(B)MinisterofLSG
(C )PrincipalsecretaryLSGD
(D)Chiefsecretary

89.NameinauguraltrainthatrunsbetweenKatra-Udhampur(25km)raillineinJammuandKashmir:
(A)VijayExpress
(B)VivekExpress
(C )DalExpress
(D)ShreeShaktiExpress

90.Dongasareaparticulartypeofhousecanbeseenat:
(A)Jaipur
(B)Shimla
(C )Ranchi
(D)Kashmir

91.ThefirsttemplepolicestationsituatedinKerala
(A)Sabarimala
(B)Padmanabhaswamitemple
(C )Guruvayoor
(D)’Chottanikkara

92.Venganooristhebirthplaceof:
(A)SreeNarayanaGuru
(B)Ayyankali
(C )ChattambiSwamikal
(D)ThycaduAyyaguru

93.InwhichportraitwasdepictedinIndian500rupee?
(A)Himalaya
(B)Dandimarch
(C )IndianParliament
(D)DevelopmentofIndianscienceandtechnology

94.TheKesari,thenewspaperpublishedby:
(A)Mrs.AnnieBesant
(B)G.K.Gokhale
(C )SwamiVivekananda
(D)B.G.Tilak

95.PrathyakshaRakshaDaivaSabha[PRDS]wasfoundedby:
(A)Ayyankali
(B)ArattupuzhaVelayudhapanikar
(C )PoikayilKumaraGurudevan
(D)KandanKumaran

96.ThevolunteercaptainoftheGuruvayoorSatyagrahawas:
(A)T.K.Madhavan
(B)A.K.Gopalan
(C )K.Kelappan
(D)K.P.KesavaMenon

97.TheCivilDisobedienceMovementwasstartedbyGandhijion:
(A)30December1929
(B)10April1931
(C )12March1930
(D)20April1931

98.SelfEmploymentprovidedtotheeducatedyouthinIndiathrough:
(A)SAY
(B)NEWP
(C )IAY
(D)PMRY

99.TheLahoreDeclarationinFebruary1999wassignedby:
(A)Vajpai-NawasSheriff
(B)Musharf-ManmohanSingh
(C )ManmohanSingh-NawasSheriff
(D)Vajpai-Musharf

100.Whowasthefatherofimmunology?
(A)GrigerMendal
(B)Hippocratus
(C )EdwardJenner
(D)CharlesDarvin