SAMPLE PAPER FOR HAL & DRDO

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 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 __________
Leave a Reply0