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What have you learned? This test has the purpose of reviewing the most important informa on of the previous chapter, to improve your knowledge, and to be ready to the next appointment with your Instructor. Answer the ques on choos‐
ing the correct answer among those listed below, specifying if a state‐
ment is true or false or filling the blanks. Show this test to your Instruc‐
tor: should you need it, he will provide you addi onal informa on and clarifica on. Good luck! 1. Pascal demonstrated that the weight of the air at the sea level is: a. 760 mm/hg b. 14,7 psi c. 1 bar d. all the above 2. The volume of a gas contained in a rigid container ________ when going deep: a. decrease b. increase c. does not change d. is halved each 10 metres 3. Archimedes established that the buoyancy depends upon: a. the total weight of the object only b. weight and volume of the object c. density of the liquid where the object is immerged d. b. and c. are correct 4. When the pressure of a gas above a solu on increases: a. the gas solutes in the solu on un l the gas pressure inside and outside the solu on are the same b. the solute gas tends to leave the liquid c. the has solutes in the solu on un l the pressure of the solute gas is half the pressure of the gas above the solu on d. a. and c. are correct 5. Breathing out happens because different pressures when: a. the volume of the lungs increases b. the volume of the lungs reduces c. the diaphragm lowers d. the chest expands 6
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