Exam Questions and CORRECT Answers
which of the following energy transformations is not possible? - CORRECT ANSWER -
chemical to nuclear
which of the following is used to determine the work done? - CORRECT ANSWER - force *
displacement
chemical energy is a special kind of kinetic energy - CORRECT ANSWER - false
what happens to temperature of gas when compressed? - CORRECT ANSWER - increases
which source of energy is non-renewable? - CORRECT ANSWER - nuclear fission
what form of energy is in pizza we eat? - CORRECT ANSWER - chemical
work can be converted to heat or thermal energy - CORRECT ANSWER - true
which of following is unit of energy? - CORRECT ANSWER - joules
how many calories is 1 food calorie equivalent to? - CORRECT ANSWER - 1000
which of following is only direct use of electrical energy without converting to another form? -
CORRECT ANSWER - defibrilator
form of energy in a flying airplane? - CORRECT ANSWER - mechanical
, which of following is unit of power? - CORRECT ANSWER - watt
what is energy of electrons in motion called - CORRECT ANSWER - electricity
in what direction does thermal energy flow? - CORRECT ANSWER - from high temperature
to low temperature
scientist who did E=mc^2 - CORRECT ANSWER - einstein
energy can be created or destroyed - CORRECT ANSWER - false
what is energy stored in bonds that hold molecules together called? - CORRECT ANSWER -
chemical
what is capacity to do work known as? - CORRECT ANSWER - energy
which of following is process of breaking a large nuclei into two intermediate size nuclei? -
CORRECT ANSWER - nuclear fission
energy required to raise temperature of 1g water by 1 degree F is a calorie - CORRECT
ANSWER - false
wavelength is used to classify what type of energy? - CORRECT ANSWER - radiant
what form of energy contained in battery? - CORRECT ANSWER - chemical
unit of electrical energy is - CORRECT ANSWER - kilowatt-hour