DRDO  Placement Paper   Whole Testpaper   -31 Dec 1899

DRDO  Placement Paper   Whole Testpaper   -31 Dec 1899


  • Posted by  FreshersWorld 
    7 Jan, 2012

     

    SAMPLE PAPER FOR HAL & DRDO

     Hi, This is kishore I have appeared for HAL AND DRDO Examination held on 7th February 2010 . Below are some of the questions which had appeared in the examination and I am providing for u on the memory basis so that it would give u an idea for exam preparation  . My advice is just stick to the basic concepts thank q

    All the Bessst

     

    1)    Castiron is best welded by -______

    2)    Reaming is done by ________

    3)    Relation between circular pitch and diametrical pitch ________

    4)    Internal energy is a function of ________

    5)    COP of carnot refrigator ________

    6)    Ignition quality is a measure of ________

    7)    Which is not a casting defect (select out of 4 opions)

    8)    Heat pump is derived from which law________

    9)    Milling cutter operates against________ cutter

    10)           PERT & BAR charts are used for ________

    11)           Rocket works on the principle ________

    12)           Heat transfer is related to which law________

    13)           Micrometer does not consist of ________ (Select out of 4 options)

    14)           A fastener is specified by ________

    15)           I law of thermodynamics deals with________

    16)           Long columns may fail in ________

    17)           Equivalent length for a beam with one fixed end free end ________

    18)           The following are boiler accessories ____(Select out of 4 options

    19)           Funtion of fusible plug________

    20)           A Bench vice has ________ threads

    21)           Knuckle threads transmits________

    22)           Slip gauges are joined by ________

    23)           Angle plate is always used with ________

    24)           Chaplets are used for ________

    25)           Riser is used for ________

    26)           Sprue is meant for ________

    27)           In blanking operation clearance is provided on ________

    28)           Use of comperator________

    29)           Thickness of sheet metal lies in the range of ________

    30)           Tail stock is used for holding tools for performing ________ operations

    31)           Nose radius is indicated ________ in the tool signature

    32)           For cutting brass ________ coolent is requied

    33)           Knurling operators is used for ________

    34)           The following is the stronget bond (Select out of 4 options

    35)           No. of links for a simple machine __________

    36)           MIG uses  __________electrode

    37)           Flux used for brazing  __________

    38)           A section having no joint  __________

    39)           Ratio of oxygen to Acetylene in neutral flame __________

    40)           Cold working is carried out at __________ temperature

    41)           Carbide tips are joined by  __________

    42)           In SAW welding arc is produced between  __________

    43)           __________ is poorest conductor of electricity (Select out of 4 options

    44)           (Select out of 4 option __________ is not function of normalizing

    45)           Ornaments are made by __________

    46)           Cheek  is a  __________ part of moulding box

    47)           Metal removal rate is more in __________ machining

    48)           Hallow mandrees are used for__________

    49)           Refactoriness of sand is more with __________ sand

    50)           Orsat apparatus is used for __________

    51)           __________ is advantage of forging

    52)           In 18 ? 4- 1 steel, 18 refers to __________

    53)           Steels with carbon % .6-1.5% are known as __________

    54)           Maximum stress a metal can withstand beyond which permanent elongation starts _______

    55)           For self-locking effiency of machine should be __________

    56)           Maximum efficiency of screw jack when x = 30

    57)           When a material is constrained tomove & heated __________ stresses are developed

    58)           When B.M is maximum S.F. is __________

    59)           When load at free end of cantilever is increased failure occurs at __________

    60)           Max B.M.  for simply supported beam with UDL over entire length is __________

    61)           A material obeys hookes law upto __________

    62)           Proof resilience is given by __________

    63)           T/J relation is used to give __________

    64)           Newton law of viscosity gives relationship between __________

    65)           Centre of buyoance is ________

    66)           Metacentre height is defined as __________

    67)           Velocity ratio is __________ propotional to diameter

    68)           T1/T2 = __________ for  V ? belt

    69)           Poise is the unit of __________

    70)           Differential manometer is used to measure __________

    71)           Crowing on the pulley is used to __________

    72)           For maximum power belt speed is given by __________

    73)           In V-belt contact between pulley & belt is __________

    74)           Generally cotter & spigot joint tranmits  __________

    75)           Gear train used in clocks __________

    76)           Closed sytem is one which permits __________

    77)           -37F = __________ C

    78)           Reversed braytone cycle is __________

    79)           Flow pattern observedafter opening tap __________

    80)           __________ requires heavier flywheel ( 2stroke or 4 stroke)

    81)           Watts governor height is given by __________

    82)           Fly wheel is meant for __________

    83)           Wet steam is completely specified by __________

    84)           Critical pressure ratio is given for __________

     

     

    85)            

     

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