DRDO  Placement Paper   General - Other   HYDERABAD-9 Mar 2008

DRDO  Placement Paper   General - Other   HYDERABAD-9 Mar 2008

  • Posted by  FreshersWorld 
    7 Jan, 2012


    Hai friends?? This is RAMPRASAD?..I am written the senior technical assistance? A? on METALLURGY (Diploma Based exam on 9/03/2008). In exam most of the questions from the p.p.m, thermo dynamics, physical metallurgy, iron making, heat treatment, foundary technology, nonferrous. Less questions from fuels &refractory, steel making, welding, material testing, mechanical metallurgy.

    I am written some question( I am not written total question) and answers(only some ans) . Questions are asked only fundamentals. I think exam is very easy for fresher candates.

    Technical questions    --   40 marks
    Aptitude questions      --    10 marks

    Exam paper total object type questions.

    DURATION: 1 hr
    1)pine oils are used in-----------------  ans: frothers
    2)TTT diagram is also known as------------------
    a)s-curve   b)c-curve  c)isothermal transformation d)all   ans:d
    3)Hyper eutectoid-------------------------ans: perlite+cemtite
    4)In austempring process---------formed ans: Bainite
    5)gun metalalloy of cu+zn+------ ans: tin
    6)In nodular cast iron ----added ans: mg
    8)line diffect------------------ans: edge dislocation
    9)permanent mould casting-------ans: centrifugal casting
    10)higest co-ordination number---------------ans: h.c.p
    11)isobaric at constant------------------------- ans: pressure
    12)when temperature and farenheit are same----ans:-40
    13)acicular structure consists like--------------ans: needle like
    14)which propertite drawn into wires-------- ans: ductility
    15)without this can not run the program?.. ans: operating system
    16)if train going to one station to other station ,first half of the of distance at 40km/hr than next half of the distance at 60km/hr  then find the avg. Speed of train---------------km/hr
    a) 55  b)50 c)55.2  ans: b
    17)pyrometallurgy used on  which process---------
    a)roasting  b)smelting   c)refining
    18)phosperus broze are used-----
    a)bearings  b)
    19)hot top occurs at------------------
    a)pigiron molds b) ingot molds c0contonuous molds d) ingot molds
    20)decarburizing element----------------
    a) c b) ni c)cr d) si
    21)pvr occurs at constant ----------------------
    a)temperature b)pressure c)volume
    22)increases the clay containt in the  molding sand then
    a)permability increases b) number decreses
    23)freely available metal
    a)au&ag b)cu&ni  

    ALL THE BEST???????

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