EGEE 101 Exam Questions And Answers

What form of energy that is present in pizza that we eat? - ANS chemical Which of the following is not a unit of energy? - ANS meters What is the energy stored in the bonds that hold molecules together called? - ANS chemical Which of the following is the process of breaking a large nuclei into two intermediate size nuclei? - ANS nuclear fission A woman moves a box from a distance of 10m. What is the work done if the force applied is 10N? - ANS 100J How many calories is 1 food calorie equivalent to? - ANS 1000 What property of a small meteor falling from the sky causes a lot of damage when it hits the Earth? - ANS high kinetic energy What happens to its temperature when gas is compressed? - ANS increases Energy possessed by a body due to its motion is called - ANS kinetic Energy can be created or destroyed - ANS false In what direction does thermal energy flow? - ANS from high temperature to low temperature What is the form of energy in a flying airplane? - ANS chemical What is the type of energy that a body possesses by virtue of its physical position? - ANS potential What is the capacity to do work known as? - ANS energy The unit of electrical energy is - ANS kilowatt-hour Work can be converted to heat or thermal energy - ANS true Energy that is locked in the nucleus of an atom and is released by destruction of mass can be calculated as - ANS e=mc^2 Which of the following is a unit of power? - ANS watt Which of the following is the only direct use of electrical energy without converting it to another form? - ANS defibrilator The energy required to raise the temperature 1g of water by 1 degree F is a calorie? - ANS false Energy can be converted from one form to another - ANS true What is the type of energy contained in the water stored behind a dam? - ANS potential Which of the following radiant energy can be seen by the human eye? - ANS visible What is the form of energy contained in battery? - ANS chemical Which of the following is used to determine the work done? - ANS force x displacement Which of the following is a unit of energy? - ANS joules Which of the following transformations are not possible? - ANS chemical to nuclear Which of the following sources of energy are non-renewable? - ANS nuclear fission Wavelength is used to classify what type of energy? - ANS radiant What is the energy of electrons in motion called? - ANS electricity Energy is a property of matter that can be converted into work, heat, or radiation - ANS true Chemical energy is a special kind of kinetic energy - ANS false Which of these do not require a medium in transferring heat? - ANS radiation Which component in the refrigerator raises the temperature of the refrigerant? - ANS compressor Which lightbulb uses mercury vapor? - ANS fluorescent What happens to the r-value of the insulation if the thickness increases? - ANS increases Which primary energy source contributes the most to home heating requirements? - ANS natural gas What form of energy output accounts for the inefficiency incandescent lights? - ANS heat Which one of the following regions have a high CCD or cooling degree days - ANS region with high annual average temperature