100 new questions general september 2014 kolkata 1

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  • 8/9/2019 100 New Questions General September 2014 Kolkata 1

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    GENERAL SEPTEMBER 2014

    1) If centrifugal fan used in seriesa) Flow double (true if fans r parallel)b) Flow 4 timesc) Static pr. Doubled) Static pr. 4 times

    2) Used L. presence in F.a) !a " p " mgb) !a " p " mg " #nc) !a " p " #nd) !a" p" s" #n

    $) Steel and aluminium weldinga) %I&b) 'I&c) plosion weldingd) *

    4) Flas+ point mention in IS ,21- 21a) D'/b) D'0c) '/d) '0

    ) 3+ic+ compressor ow c+anges wit+ pressurea) eciprocatingb) Lobec) !entrifugald) Screw

    5) 6ow pour point is measureda) 78 gra9it8b) 5 cc or standard 9enture at speci:c tempc) *d) *

    -) 68draulic oil w+en +ot t+in" w+en cold t+ic; as 9iscosit8 indea) 2b) 4c) 5d) ,

    ,) 'ore t+an 1 cr8stalline structurea) Isotropicb) Isentropicc) /llotroped) n?1 " p?1b) >n?1 " p@1c) >n@1 " p?1d) >n@1 " p@1

    1) Low carbon steela) !8nanidingb)

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    d) Induction +ardening

    11) %elemotor spring functiona) Fail safeb) %o bring am in mids+ip postionc) *d) *

    12) eciprocating compressor ;noc;ing wit+ rpm

    a) *b) *c) *d) /ll of t+e abo9e

    1$) %o reduce al;aline in boiler watera) A+osp+ateb) 68droidec) Sulp+ated) *

    14) udder bearing materiala) 7rassb) !opperc) Steeld) &rap+ite

    1) &ra9it8 disc materiala) ubberb) Stainless steelc) *d) *

    15)

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    c) Aower consumption mored) Unloader malfunction

    22) During turning t+e s+ip " torue on t+e rudder w+ile mo9ing forward is comparedto mo9ing stern will be

    a) 'oreb) Lessc) Samed)

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    $1) 3+en steering power fails. mergenc8 Steering come into action in +ow man8seconds

    a) $ secb) 4 secc) *d) *

    $2) Steering gear lower and upper bearinga) &rap+ite

    b) Steelc) !opperd) 7rass

    $$) Kapour absorbent materiala) Lit+ium bromideb) 7romidec) Lit+iumd) Silicon

    $4) 6elm angle rudder torue will 9ar8

    a) Increaseb) Decreasec) Does not depend on +elm angled) *

    $) /ir cooler deteriotion depends upona) Inlet and outlet temp. of airb) Inlet and outlet temp of sea waterc) Sea water temp. decreased)

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    41) In double pr. 7oiler primar8 drum pr. 'ore secondar8 drum pr.a) Lessb) 6ig+erc) Samed) %wice

    42) In 7oiler water tube if lea;age ta;es place t+ena) DiNcult to maintain actual boiler le9el

    b) !+loride le9el diNcult to maintainc) *d) /ll of t+e abo9e

    4$) /s per SL/S regulation L

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    a) Icing of %Kb) 'oisture refrigerant oil formation of acidic corrosion wit+ copperc) Sludge formationd)

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    b) O!3 pre+eating " auiliar8 boiler startsc) *d) *

    52) In puri:er interface mo9ing outwardsa) Densit8 increasesb) Kiscosit8 decreasesc) %emp. increasesd)

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    c) Full8 spaded rudderd) *

    -$) 3+at compound is formed w+en austenite is cooleda) Ferrite and pearliteb) !ementite and iron carbidec) *d) *

    -4) ngine room 9entilation fan pump isa) adialb) /ialc) %angentiald) *

    -) 3+ic+ additi9e added in L. to pre9ent cold corrosiona) eser9e al;alineb) Dispersantc) *d) *

    -5) %o pre9ent electric s+oc; during welding ('!R)a) Dr8 clot+b) First aid euipmentc) Safet8 s+oesd)

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    ,4) During !3 I& s8stem run continuousl8

    ,) Insert one pipe into anot+er b8 epansion of pipe of same diameterswagging

    ,5) Sub #ero coolingbrine

    ,-) 3indbo :re for auiliar8 boiler +ow to etinguis+a) b8 :ed etinguis+ing pro9ided b8 manufacturerb) b8 closing fuel and air 9al9esc) b8 stopping boiler FD fand) all of t+e abo9e

    ,,) 3+ic+ fan can +andle t+e dirt8 or dust aira) adialb) Aropellerc) *d) *

    ,=) In w+ic+ condition t+e production of fres+ water will decreasesa) 6eat ec+anger fouled

    b) %emp. of sea water increasesc) %emp. of sea water decreasesd)

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    d) Aartiall8

    =-) 'etals in liuid forma) 'ercur8b) Indiumc) *d) *

    =,) If pump alignment is wrong

    a) 7earing o9er+eated and damageb) Disc+arge pr. Increasesc) Disc+arge pr. Decreasesd)