This past paper is from UET's entry test ECAT which was taken in 2012.As you may know that major portion of ECAT is repeated from past papers so don't forget to pass each MCQs from your mind.

You can read the step by step guide of getting good marks in UET.

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**Engineering
College Admission Test (ECAT) 2012**

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**Chemistry ECAT**

1. Half Life method is used
for --- (ist order rexn, 2

^{nd}order rexn, zero order , integer fraction)
2. CO

_{2 }dry ice has _________ types of crystals (molecular , ionic )
3. Aluminium Hydride AlH

_{3 }--- Related Question was asked.
4. Pressure increases on gas,
then forces become? ( significant, insignificant)

5. Composition of Aqua Regia.

6. Lanthanide
contraction-Period (Related Question was asked)

7. Trend of Oxidation State

8. Which one of the following
is false?

a) Copper is softer than
sodium

b) Diamond is not a conductor

c) Cs and Na has same
structure

9. e/m of cathode and
positive rays

10. H

_{2}SO_{4}in pure form ( dehydrating agent , odourless , conductor of electricity , All )
11. Benzene Stability dependence---
delocalization of PIE Electrons

12. Distribution Law—Solvent
Extraction (ratio of solutes in both solvents)

13. Which one is more Dilute?
(1 molar or 1 molal solution of Urea)

14. 9% increase during
freezing water is due to ( tetrahedral structure with empty spaces, trihedral
with empty spaces)

15. What’s the effect on
equilibrium---during change in volume?

16. Catalyst disturbs the (
Equilibrium constant, position, none)

17. Electrochemical Series
used for ( redox rexns, battery rexns)

1 8. Depression of freezing
point when volatile solute is dissolved in it (related question)

19. In first order rexn, 50%
of the substance decays in 1 hour, remaining will decay in?

20. Rate of reaction depends
upon surface area (related question)

21. The substance which poison
the catalyst?

22. Group 4A elements form
(hydride, dioxide, halide)

23. Lithium only form(
suboxides, superoxide, oxide, all)

24. Red phosphorus (macro
molecule, micro molecule)

25. K

_{2}Cr_{2}O_{7}, oxidation states of all
26. Transition Elements ( All
are metals, conductors of heat, variable oxi. State, all)

27. Which of the following
react with fehling solution?

28. Enthalpy change---related
question

29. An acetal forms—alcohals
react aldehydes

UET 2005 past paper solved.

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**English ECAT**

·
Bread at abroad meat better than home is (arrange this)

·
DE morgue-synonym

·
Punctuation

·
Passive voice

·
Degree: temp (analogue asked)

·
Weight: Kilogram

·
Necessity is the mother of invention---scientists have
discovered many things---when there is a will, there is a way… (mistakes were
made in these and was asked to choose the correct one)

####
**Physics ECAT**

·
Force F is required to be applied on a body of 1 kg placed on
inclined plane at an angle of 30 degree to move it. The force is (g , g √3 , g/√3 , g/√2)

·
A ball strikes another ball mass 2kg and 1kg at rest with a
velocity 30ms

(it undergo Elastic collision---true option)

^{-1}. If after the collision the velocities are 20 and 15ms^{-1}, then(it undergo Elastic collision---true option)

·
Two satellites s1 and s2 are with radius from the Centre of
earth of 80,000 and 40,000 then their orbital velocity v1 and v2 are (√2 v1= v2 , √2 v2=v1 , v1=v2 , none)

·
A body takes a pendulum in the lift and it accelerates
upwards the tension in the string (increases, decreases, first increases then
decreases, decreases then increases)

·
The pressure in a pipe of varying cross sectional area, the
pressure at smallest radius portion of it (min, mam, none)

·
A car approaches c1 to another car c2 with a velocity of ___.
If the apparent frequency of c1, when it horns, for c2 is ___. The real
frequency is? (the data was given---the type of question was like this)

·
In astronomical telescope the final image is formed at (near
point, infinity)

·
A gas is enclosed in a container fitted with a piston of
cross sectional area of 0.03m

^{2 }and pressure is maintained at 1000Nm^{-2}. When heat is slowly transferred, the piston is pushed up through a d distance of 4cm.and 100J heat is transferred to the system then find ∆U?
·
In Carnot engine the gas is (expanded isothermally and
compressed adiabatically respectively , or other options were there)

·
A charge of 100mC passes through a potential difference of
100V of mass 0.1mg, then what is change in velocity?

·
When a 500 ohm resistance is replaced by 100 ohm in a cell,
effect on terminal velocity?

·
Current passing through two wires in same direction (repel,
attract)

·
A particle passes through the solenoid along the axis, then
it will pass along the path (parallel to axis, along spiral path, etc.)

·
In RC circuit _____ leads the _______

·
If a bulb and capacitors are connected in series, the current
passing is AC, then then bulb will (glow, fused, nothing happens, etc.)

·
Transistor is used as (switch---right answer)

·
If inputs are different then for NAND gate, the output is?

·
A boy named Amir sees a scale placed on earth while he is in
aero plane. Then the length of scale will (increased, decreased, same)

·
If the speed of body is increased, the mass of body will
(increase, decrease, none)

·
As the temperature increases , no of longer wavelength
radiation(increases, decreases, none)

·
When photo electrons are emitted from metal surface then what
would be greater than threshold? (intensity, frequency, both ,none)

·
Davison and Germer
experiment proves ( wave nature of electron, particle nature of electron
, both )

·
Laser will produce if the atoms in lower energy states are
_______ than those in higher energy states. (greater, less, equal, All)

·
A flexible loop of wire is lying such that field of lines are
parallel to area. If area begins to change then emf induced is (max, zero,
both, none)

·
In FM , the amplitude of carrier wave is (diminished,
increased, both, none)

ECAT 2006 paper

####
**Mathematics ECAT**

·
The average value of an even function is (-ve ,+ve, infinite,
none)

·
The value of the equation x

^{2}-x+P should be greater than 3 when P=?
·
ax

^{3}-8x+b+6 is exactly divisible by x^{2}+2x-3=0 then the value of a and b ?
·
x+2y+2=0 and x

^{2}+y^{2}=4 meet at?
·
Rank of A is related with ranks of AA

^{t}(small, equal, same, none)
·
Sum of series ∑,
n=1 to ∞ … 1/5

^{n}=?
·
After t second,
increase in volume is 5-2/t+1 then at t=3 rate of increase is?

·
4

^{x+1}=2(7-2^{x}) find solution
·
If f(x) =2x/x-1 and x not equal to 1. Then composite function
ff=f

^{2}is infinity at ( 1, -1 and +1 , +2 and -1 , None)
·
Find area of y=-1+ (9/x

^{2}) when 3 ≥ x ≤ 5
·
Cos40+cos100+cos140=?

·
Log

_{x}5=4log_{5}(X) find solution
·
Log

_{3}(X-1)+log_{3}(X+3)-log(x+1)=1 find solution
·
5 men, 4 girls, not two girls stand together, and then how
many ways line can be formed?

·
5 membered committee is to be formed from five couples then
how many committees can be formed when men are greater than women?

·
A is scalar, X is a column vector, then AX is? (Column
vector, etc.)

#### ECAT Mathematics 2012

1. The equation 5x

^{2}-3y^{2}+10x+2y+13 has Center?
2. The rate of a chemical
reaction…………… as the reaction proceeds

Increase,
decrease, same.

3. It the intensity and speed
of light is doubled, then the emission of electron is???

4. Most ideal gas at room
temperature is;

CO

_{2,}SO_{2}, NH_{3}, N_{2}
5. Density of methane at
0.20525 atm and 127C is???

6. Speed of earth around the
sun?

7. In which paper additive is
not added??

Carbon paper,
glazed paper, filter paper, art paper

8. A force of 9N act
perpendicular to force of 16 N resultant will be??

33, 14, 18, 25

9. The value of r for
monoatomic gas is;

1.29, 2.29,
1.67, 1.26

10.
The indicator may
store energy in its;

Coil, magnetic
field, electric field, both b & c

11.
Aluminum trioxide is

Acidic oxide,
basic oxide, amphoteric oxide, none

12.
In RLC series circuit,
the current at resonance frequency is

Min, max,
zero, none

13.
The ratio of
gravitational mass to inertial mass is

1:1, 2:1, 1:2,
3:1

14.
e/m value of electron
is

constant,
variable, strong, none

15.
Molarity of heavy
water ??

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