ECAT - University of Engineering and Technology (UET) Lahore 2005 Past Paper with Answers

Practice the ECAT - University of Engineering and Technology (UET) Lahore 2005 past paper with 50 solved MCQs, answers and topic coverage.

50 solved MCQs across 1 approved paper

Scalar product of two parallel vectors is ……………Answer: Product of their magnitudes Work done on a body is equal to change in its ………………. (position, distance, displacement, KE)Answer: Kinetic Energy Rocket propulsion utilizes the law of conservation of ………..Answer: Momentum Minimum initial velocity to escape earth’s gravitation is called …………..Answer: Escape velocity Acceleration and angular acceleration are related by the relation………Answer: a=rα The terminal velocity of falling droplet is proportional to ……….Answer: Radius In damped oscillations amplitude …………… with timeAnswer: Decreases Speed of sound is maximum in ……….. (air, glass, water, iron).Answer: Iron Bending of light when passing near obstacles is called…………Answer: Diffraction The phenomenon that best explains the transverse nature of light is …………(reflection ,refraction , diffraction, polarization).Answer: Polarization The critical angle is such angle of incidence for which angle of refraction is …………Answer: 90° The entropy of a system ………….. for a reversible process.Answer: Remains constant Work done on a unit charge is equal to change in its…………Answer: Electric potential The formula for heating effect of current is……..Answer: H=I₂Rt The unit for emf is …….Answer: Volt Weber is the unit for ……….Answer: Magnetic flux In a capacitor circuit the voltage ……………. the applied current.Answer: Lags The semiconductor substance containing holes are called ………….Answer: P-type semiconductor To accurate locate a microscopic particle one must use light wave of ………….Answer: Short wavelength Velocity of an electron in an orbit is …………… to its principal quantum number.Answer: Inversely proportional Electrons emit photons when they jump from………Answer: Higher energy level to lower energy level If a body is moving in a circular motion with constant speed then the it has got the constant ………….Answer: Kinetic energy Magnetic flux is maximum when conductor is placed at an angle of …………… to magnetic field.Answer: 90° Power dissipated in a pure inductor circuit is ……….Answer: Zero Which one is not the unit of mass …………….. (gram, kg, dyne, slug).Answer: Dyne In chromatography the rates of solute is determined by the ……………Answer: Distribution coefficient Graham’s gas law is concerned with ………….Answer: Diffusion and effusion of gases The standard temperature and pressure conditions are ………….Answer: 0°C and 1 atm Spreading of a scent of rose is due to process of …………..Answer: Diffusion The common crystal type of carbon is ……………..Answer: Cubic