UET ECAT past paper 2012

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.

Engineering College Admission Test (ECAT) 2012

Chemistry ECAT

1.      Half Life method is used for --- (ist order rexn,  2^nd order rexn, zero order , integer fraction)

2.      CO₂ dry ice has _________ types of crystals (molecular , ionic )

3.      Aluminium Hydride AlH₃ --- 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.  H₂SO₄ 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.  K₂Cr₂O₇ , 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.

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^-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 0.03m² 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 x²-x+P should be greater than 3 when P=?

·         ax³-8x+b+6 is exactly divisible by x²+2x-3=0 then the value of a and b ?

·         x+2y+2=0 and x²+y²=4 meet at?

·         Rank of A is related with ranks of AA^t (small, equal, same, none)

·         Sum of series ∑, n=1 to ∞ … 1/5ⁿ =?

·          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=f² is infinity at ( 1, -1 and +1 , +2 and -1 , None)

·         Find area of y=-1+ (9/x²) when 3 ≥ x ≤ 5

·         Cos40+cos100+cos140=?

·         Log_x5=4log₅(X) find solution

·         Log₃(X-1)+log₃(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 5x²-3y²+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, SO₂, NH₃, N₂

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 ??