There are 2 papers :General & Technical.(40 questions
each / 30 minutes each)
General has questions from physics/chemistry/quanti.
questions r tough.
Tech questions were tough as well.
We'd ABB for Mech & Trical only (****** NOT TRONIX******)
1. What is GDP?(some options given)
2. 1 prob from mixtures(r.s.agarwal)
3. 3(power)x +3(power)(x+1) +3(power)(x+2)
+3(power)(x+3) =120*3(power(square root 2))
What is x?
4. max value of cos x + sin x ?
5. log 9 (to the base 27) =?
6. electromagnetic waves passes thru vacuum,then what
changes ?
a)amplitude b)frequency c)velocity d)....
7. u've a block sliding frm inclined plane & same
released from same height vertically .
what happens ? (neglect friction)
a)velocity changes b)acceleration changes c)..d)..
8) when block (of wt=20 kg)released from a height of
20 mt ,potential energy change is =20 J
g=10 m/s2
9) 1 prob on refractive index.
10. cathode ray velocity = ?
a)half velocity of light b) velocity of light
c)none of these d)....
11) Cu has 1 valency ,Zn has 2 valency .after
electrochemical reactn which disintegrates more
a)Cu b)Zn c)... d)none of these
12) while launching a geostationary satellite what's
considered?
a)escape velocity b)escape energy c)both d)none
13) moment of inertia depends on
a)mass distribution b)axis of rotation c)angular
velocity d)all of these
14) about planck;s constnt
15) PE curve of particle performing SHM is
a) parabola b)straight line c) circle
d)hyperbola
16)about transverse waves
17)electron emission depends on ________ of coming
light.
a)frequency b) amplitude c)... d)...
18)about lorens law
19)aluminium is 'trivalent' in photoelectric effect
//not sure if it's trivalent or irrelevant
a)true b)false
20)about P-N junction
21)5-6 questions from electromagnetism
22)when copper block is inserted thru ckt where
earlier there was air wht happens ?
a)absorption energy increases b)absorptn energy
decreases c)...d)..
23)some from photoelectri effect
24)magnetic effect of currnt
25)flux
26)2 questions @ NOR,OR,AND,NAND gates & truth table
read 11th -12th physics thoroughly
cumulative score of written & Gd is considered to
shortlist candidates for interview .so if written
doent go well,crack the GD .
GD topic is to be decided by the group itself
DT was 2nd sept.23 guys sat for abb ,9-10 shortlisted
for interview (after written & Gd).,then 3 selected
for another round of interview at baroda on 8th sep
,after which 2 were finally selected (1 mech ,1
trical)
1)unit of surface tension
2)value of degree&Fahrenheit equals at
3)triple pt. of water
4)stream variable velocity u=ax ;v=-ay then velocity eqn.at (1,3)
A) X+3Y =0 B)3X+Y=0 C) XY=3 D)not remember
5)heat engine operating reservoir temp.800K&developing work 500J then
source temp. (ans 1300K)
6)about 2-3 heat enginesgiven with some connections between them ,were
they satisfyingthe first or 2nd law of therme dynamics or none or both
.
7)about furnace,use the fouriers law ,then convection +radiation
8) who is having M+1L+1T-2 (DIMENSION)
a) presuure,b)force c)power d)work
9)V=200v, R=40 Ώ current passed for 1 hour then power=?
10)friction factor given 0.1, the Reynolds no. for laminar flow is
given( h^2*g/4*f*l =v^2/d)
a)1590 b)900 c)not exactly remember
11)about dimension analysis model
12)about stream fn.velocity X^2 – Y^2 at (2,-2)
13)about EOQ model(ordering cost,variable cost were given)
14)finding entropy (from current , voltage &temp.)
15)time caln.for grinding
d.o.c=10 ,feed=30 mm/min, D=(dia of grinding wheel=250mm)
16)product of molecular wt.& R
a)dependfs on temp. b)constant c)&d)not remembered
17)octane no. of petrol used in engine
18)spark ignition are distance in
19)francis turbine is having ----------------------.flow
a)mixed b)radial c)tangential d)not remembered
20) impulse tubine is --------------
a)low head used (ans)
21)rake angle of tool is given 10ْ ,if you hold it 5 mmm below for
cutting w/p,then resultant rake angle a)1ْ b)11.5ْ c)&d)not
remembered
22)about prandtyle no. of F.M.
read F.M. &heat transfer thoroughly maxm.questions r from there
some other questions
1)you have been given container containing water with ice cube in it
,what will happen
a)level of water increase b)decrease c)depends on temp. d)none
2)internal energy depends on
a)volume b)temp. (ans)
3)generally , efficiency of boiler is ----------------
4)about carbide tool&
5)tungsten added for which purpose
apart 4m these the other Qs i remember are......
1.a type of rice costs 1.8 another 1.2......make a proportion such that by selling them at a price of 1.75 u ll get a profit of 25%.
2.what is the decimal equiv. of 10010110 ans-none of the above....
3.a median problem....a series of groups was given....frequency also given....find the median....ans-12.4
4. a true or false type vector multiplication prob.....like
A.(BcrossC)=(AcrossB).C or not......
5. a correlation problem.....
6. where lies the C.G. of a triangular laminate?
7. what is gross national product?
8.there were some other interest problems....
9. a cube is placed in water(heated ) coeff of heat transfer 4m top, bottom and sides r -- h1,h2,h3......the resultant coeff. is.....choices were...1.h1+h2+h3....2.1/h1+1/h2+1/h3......
10. a cross flow heat exchanger prob was there....ans is probably 'undefined'.
11. what ll happen to the heat flow if a fin is divided into 2 4m the middle?
12.some heat engine probs. were there....one of them is....
a heat engine takes heat 4m a source at325K and do a work of 75 J.
then leaves out heat to 2 reservoirs at 275K and 300K.....is the 1st and the 2nd law is verified? ans is probably 1st is but the 2nd is not.
13. 1 prob was there on
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