am preparing for hal exam mechanical stream.lookin for few advice to crack the written test
Lets Discuss Enjoy and Conquer..
1) cut off for online xam..GEN- 58.75%(94 marks), and OBC- 55.63%(89 marks).
2) category wise cut-off % of marks in mech for final selection are GEN-63.79% & OBC-60.91%.
3) Marks of topper in written- 143/160.
Anyone filled SAIL MT-2014 using challan? I have a doubt in that , after entering journal number and all the details it says just STATUS:SUBMITTED and PRINT REGISTRATION SLIP. but it does not tell whether payment is received or not? Can you guys please help me understand this if you have done it using challan , anyone?
Name: Anirban Bhattacharya,General
Test Date:14th nov. 2013,evening
About the HAL MT 2013 Mechanical paper:-
100q(all topics...GATE previous years + sum IES + basics + advanced + UNKNOWN(50-60%)??...pata nahi kahan se aaye the...)
>>MOST questions VERY CONFUSING.. ENGG. MATHS..deep....approx. 10q..NO ENGLISH..
(Thermal & Fluids Engineering)
1.abs. zero pressure occurs at? ans-0K
2.numerical on isothermal process? ans-8 or 12 KJ
3.wet bulb depression represents? ans-relative humidity
4.heat transfer takes place by which law? ans-2nd
5.temp. distribution for plane wall,for steady state heat flow and constant k...?? ans-linear
6.max. effectiveness of parallel flow gas turbine recuperator? ans-50%
7.prandtl no. is minimum for? ans-liquid metals
8.numerical on planck's law or something from radiation?
9.diesel cycle approximates to otto cycle when?
10.very low temp. obtained by? ans-magnetic cooling
11.thermal efficiency of otto cycle when r=5.5?
12.1 stoke= 10^(-4) Ns
14.if cohesion>adhesion,level of fluid dipped in glass? ans-lower than surface of liquid
15.numerical on discharge
16.reynolds no. question
17.cavitation in turbine likely to occur at? ans- at exit
18.abs. press is d sum of? ans-atm. press. + gauge press.
19.numerical on viscosity? ans-4Ns/m2
20.question on metacentric height
21.question on radius of mohr's circle when P=2 units in fluid?
22.single pipe replaced by two pipes in series,which quantities have to be same? ans-flow & head
23.brayton cycle with regeneration numerical? ans- specific output=350KJ
24.brayton cycle numerical?
25.cooling tower question
26.steam condenser numerical?
27.slenderness ratio of circular section=200,then l/d ratio=50
28.normal stress numerical
29.for a process to be feasible,entropy change shud be? ans--ve,+ve or 0
30. & 31.shaft numericals
32.inversion is obtained by? ans-fixing different links
33.flywheel controls wat? ans-dn/dt
34.question on rim of flywheel & energy stored? ans=1/4th
35.vibration question in which force was asked
36.numerical on frequency,pulley diagram?
37.match the following-theory of machines
38.american thread angle? ans-60,29
39.T-joint weld used when? ans- for 90 degree joining
40.for self-locking condition? ans-helix angle
41.in v-belt, if one breaks,all r changed y? ans-ensure uniform stress
42.numerical on column
43 & 44. numericals on bearing
45.deep groove ball bearing question?
46.lattice points in scc,bcc & fcc? ans-1,2,4
47.constantan alloy contains? ans-copper & nickel
48.non-ferrous cast alloys r called? ans-stellites
49.binding material in cementite carbide? ans-cobalt
50.which has hcp structure? ans-Mg
51.german silver composition?
52.pearlite under microscope occurs as? ans-fingerprint
53.taylor's tool life numerical? ans-300%
54.carbide tool fails in? ans-tension & shear
55.seamless tubes manufactured by? ans-piercing
56.shrinkage allowances for CI & brass?
57.trowel is wat?
58.coal dust in sand moulding is used for?
59.key-hole welding is another name for? ans-Plasma arc welding
60.arc blow is more common in which welding?
61.most efficient measurement is done by? ans-optical projector
62.volume compensated by riser numerical? ans-3+4=7%
63.numerical on reynolds no.?
64 & 65.numericals on tolerance & deviation
66.match the following-CAD/CAM
67.bite angle numerical
68.honed & drlled angles represented by?ans-H10,P5
69.non-conventional machining question
70.regrerssion method for? ans-casual analysis
71.vehicle manufacturing uses? ans-product layout
72.assignment problem? ans-m+n-1
73.upper bound approach?
74.reorder level numerical?
76.lead time numerical?
77.numerical on chart?
79.find forecasting equation? ans-2.5+0.8t
80.work transfer machines are wat?
81.which are CNC programming languages? ans-all(compact-ii,split,uniapt)
82.management question?ans-both a & b
83.asa tool signature has how many elements? ans-7
84.least accurate is? ans-steel gauge
87.find poles for complex function?
89.differential equation question? ans-not defined
90.rank of matrix?
91.simpson's rule numerical?
92.which numerical method needs proper selection of initial value?
93.for x^(1/x) to be increasing function, x=?
94.continuous & discrete function question?
95.find standard deviation for a set of values?
96.stopping distance numerical?
97.bullet & wooden block question?
99.find final velocity numerical? ans-13.5m/s
100.numerical on friction..but without diagram
I hope this post helps future HAL MT MECH. aspirants..
thnx for reading..