ECAT 2013
ECAT 2013 by University of Engineering and Technology, Lahore
Ecat was held on 18 August 2013. here are mcqs from that test and English Paragraph ecat 2013
1) If Thermistor Is
Placed In Oven If Temp Of oven Is Increased Then The
a) R Increses b) R Decreses
2 A Body is accelerating
downward with 9.8ms^-2. If we throw it with some force, then acceleration will
be:
a) More than 9.8 b) Less than 9.8 c) Equal d) None
a) More than 9.8 b) Less than 9.8 c) Equal d) None
3)
1+cosx/sinx+sinx/1+cosx equal to
a) 2/sinx
b) tan2x
4) To Increase Charging
of Capacitor
a) Resistance Decrease b) Capacitance Increases c) Fixed Capacitance
5) The Function y=3x-x^2
for x>=0 Has A MAx Val AT
a) 1,2 b)
2,1 c) 3,4 d) 2,2
6) When Borax Is
Hydrolized Then Caustic Soda And Boric Acid Is Produced Then The Solution Is
a) Neutral b)
Acidic c) Alkaline
7) How Many
Arrangments Of The Letters Of FASTING
Can B Made
1) 5040 b) 2045
8) In Exothermic Reaction
If Temp Is Increased Then Reaction Moves
A) Backward Forward C) No Change
9) The Angular Frequency Of A Pendulum Is 1 Rad/sec Its Length Will Be :
1. 24 m 2.
9.8 m 3. 98 m 4. None
Nylon Is Which Type Of
Polymer
a) Condensation b) Additiion
10) How Many Maximum
Amino Groups In Amino Acid?
a) 1 b) 2 c) 3 d) 4
11) The Table Represents
00 0
01 0
10 0
11 1
a) And b) Nand c) OR
12) Lithium and sodium both belongs to same
group but Lithium differs in properties remarkably because
A) Lithium is lighter than sodium B)large charge to size ratio C)Li slowly react with water D)ALL
13) If 1 micro coulumb
charge is pass through wire in 1 micro second then current will be
a) 1 A b) 1 Micro Ampere c) None
14) n^2!/(n-1)!(n-2)!
a) n b) n^2 c)n^3-n^2
15) log9y+log3y= 3
a) 9 b) 27 c) 3
16) Orbital speed of
stallites going around the earth increased if the distance from earth is......
a)increased b) decreased
c) Remain same
17) The repeating unit
is(-ch^2-ch^2-)n the molecular mass of repeating unit is
a) 63000 b)
5800
18) a helicopter is
ascending vertically at the rate of 19.6ms-1 when it is at a height of 156.8m
above the ground.how long the stone takes to reach the ground
a) 8 Sec b) 4 Seconds 1st year 3rd chp 1st
numerical
19) Tesla is a unit of magnetic field is equal to
....?
a) Nm/A b) NmA
c) none
20)
21) A coin
is tossed. If it lands head a point value of +1 is recorded if it is tails then
-1.If the coin is tossed 50 times and the final score is 14 how many heads
landed.
a) 14 b)
25 c) 32 d) 39
22) the ph of 10^-7.5
hydrogen is
a) 7.5 b) 6.5
23) 3 Intergal 2 (x^3+2x^2+1) Three Or 2 Ipper or
lower limits hain
a) 15 b) 25
24) which has no Hydrogen
bonding
a) alcohol b) water c)
ethane d) acetic acid
25) voltage-current graph
of non ohmic device is......
a) is n0t straight line b ) straight line c)
parabola
26) ameter is a galvanometer with a
a) high resistance connected in parallel b) low resistance connected in parallel
c) high resistance connected in series d) low resistance connected in series
c) high resistance connected in series d) low resistance connected in series
27) the coefficient of x
in the expansion of ( 1 - 2x )^n is -8 then the coefficient of x^2 will be
28) which one is not true
about hydrocarbons
a) they r aromatic compound b) they have high c h ratio c) they r ring compound d) all have odour
29)
30) hygrocarbon
containing triple bond are
A) alkene B) aromatic C)
alkane D) none
31) 9x^2+kx+36=(3x+n)^2
value of k-n
32) during the
preparation of Na electrolysis of sadium salt CaCl^2 Is added to
a) To Increase Temp b) To
Decrease Temp
33) If a H of 10dm^3 has
N no. of molecules then a Oxygen of 10 dm^3 has ___ bo, of molecules??
a)16N b)N/16
c)NA value(6.02 . 10^23) d)N
34) 100 kg mass 100m
radius 36ms-1 speed centripetal force
a) 100N
35) if power of body is
10 Js^-1 then energy of body is
a) 100J b) 10 J
36) oxidation state of cl in nacl and naocl is
a) -1,+1 b)
2,-1 c) -1,2 d) none
37) which of following
does not have haxagonal structure
a) zn b)
graphite c) zn oxide d) gold
38) phenol is a) similar to alcohol b) contains one OH C) it is aromatic contain benzene ring d) it also contain more then 1 OH
39) Find values of p nd k
[01]
[10]
if A+A^-1=kI
[01]
[10]
if A+A^-1=kI
2 and 1 b) 1 and 2
40) zn can b converted in to cu by
a) neutron b)
a particles c) b particles
41) A line X=Y+2
intersects at Y^2=XY-1...coordinates of points of intersection are:
42) a man is standing at
the pole looks at the car 10m away from poll the angle of depression is
45degree find the height of pole...
a) 10 m b ) 100m
43) 4m where bio gas obtained?
a) is not a gas b) obtained from cattle wastes c) underwater reservoirs
44) Find Solution Of
Equations 2x-y-4
2x^2-4xy-y^2
45) [a b+gamma 1]
[b gamma+a 1]
[gamma a+b 1] determinant equal to
a) 0 b) 1
[gamma a+b 1] determinant equal to
a) 0 b) 1
46) if s=[01]
[10]then
s^4
a) Identity Matrice
47)
49) pi/2integral0
(siny+2)dy
a) 0 b) 1
c) pi+1
50) if x=sinteheeta then
find costheeta
a) +
-underroot 1-x^2 b) + - underroot 1+x^2
51) which
one is covalent bonding giant molecule
a) diamond b)
sugar c) ice
52)
53)
54)
55) a train travelling a
sounds a whistle of frequency 5270hz.frequency of sound heard by the driver was
a) 5270 b) more
than 5270 c) less than 5270
56)
57) e^sin(5-2x)
difrentiation
a) _2cos e^sin(5-2x)
58) when we tune a radio
that means
a) capacitance changes b) inductance changes c)resistance changes d)we change
the frequency
59) if determinant of
matricsis 15 then find values of w
[w 2w+5]
[-1 w+1]
[w 2w+5]
[-1 w+1]
a) 2,-5
60) the directn of induced currnt is always so as
to oppose tha chng which causes the crrnt
a) Lenz Law b) Farady Law
61) expand upto 2 terms (2.02)^4 binomial theorem through
a) 16.44 b)0.644
62) If X Oxidation
produdes y product then
a) 2ndry alcohol : ketone
b) primary alcohol aldehyde
63) milkians
method is used to determine?
a) e/m of electron b) Charge On Electron c) Mass
Of Electron
64) if three resistances r connected in parallel
thier eqivqlent resistance is
a) R/3ohm b) 9R c) 3R
65) What is oxidati0n
state of Sulphur in Na2SO4?
a)2 b)5 c)4 d)n0ne
66) if three resistances
r connected in series Then Thier Eqivalent resistance is
3R b) 9R C) R/9 D) 3/R
67) Voltmeter is a device
a) high internal resistance b) low internal resistance
English paragraph ecat 2013
68) From Where this Paragraph Has Been Taken
Wikipedia The Free Encyclopedia
69) (ch2o2) by
combustion analysis find the ratio of carbon to hydrogen in compound
a) 2 :4 :4 b)2:3:3 3c)3:2:2
70) 8) Free Chlorine Forms In
a) Lithosphere b) Troposphere c) Biosphere d) Stratospherethe
do tell ansz so all are confirmed thnks bro
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