ECAT - University of Engineering and Technology (UET) Lahore 2010 Past Paper with Answers

Practice the ECAT - University of Engineering and Technology (UET) Lahore 2010 past paper with 72 solved MCQs, answers and topic coverage.

72 solved MCQs across 1 approved paper

One light year is equal to:Answer: 9.5 × 10₁₃ m Reverse process of vector addition?Answer: Subtraction When a ball moves from and reaches to its maximum height in 3 seconds, what is its initial velocity?Answer: 29.4m/sec Rocket propulsion is according to?Answer: Newton’s Third Law If a body of 2kg moves vertically 2m then work done is:Answer: -39.2 j If the radius of circle is doubled, then centripetal force becomes:Answer: Half Bernoulli equation is according to ___________ law.Answer: None of these The time period of a second pendulum from its extreme to mean position:Answer: T/4 At what temp, the velocity of sound is doubled than as that of at 10 degree c:Answer: 859°C The range of visible wavelength spectrum is:Answer: 400-750 The range of wave no. of light is 5 x 10₆m₋₁. Then its wavelength is:Answer: None of these Least distance of distinct vision for human eye is:Answer: 25 cm If the the distance is doubled b/w two charges, then coulombs force becomes:Answer: Reduced 4 times Two resistance of 6Ω each are in paralled and third of 3Ω is connected in series.Answer: 6Ω If a magnet is non-uniform magnetic field, it will experience:Answer: Attraction Emf =VBL sinθ(related to that):Answer: Volts The force F experienced by a conductor of length L carrying current when placed in a uniform magnetic field Bis given by the relation.Answer: F = BIL High voltage is obtai9ned form?Answer: None of these Unit of longitudinal strain is:Answer: No unit (dimensionless) A completely filled band is called:Answer: Valence Band Which of the following is used for detection of light?Answer: None of these In ₉₂U₂₃₅the neutron to nucleon ratio is:Answer: 143/235 If intensity and frequency of light is doubled, then emission of electrons is:Answer: Doubled When effective value of current is 10. What is its peak value?Answer: 14.5 In diodes, the graph is drawn b/w?Answer: Voltage & current Speed of earth around the sun is:Answer: 30000 m/sec In v=wr, w is called:Answer: Rotational velocity A bullet is fired with an angle of 300 with the velocity of 196 ms-1. For how much time the bullet will remain in space?Answer: 20 seconds Which of the following does not have closure property?Answer: [1 - 1] A non-negative rational number is group under:Answer: A and B