MT1ESol - Oregon State University PH 202 Midterm Exam 1...

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Oregon State University PH 202 Winter Term 2012 Midterm Exam 1 (Wednesday, January 25, 7:00 p.m.) GENERAL DIRECTIONS: Fill out the cover sheet completely , as indicated—including your test form letter, which is E. Follow the specifc directions on each page o± the answer ±orm . Use standard SI units unless directed otherwise; use three signifcant digits in all fnal numerical answers. Questions #1-4 are worth 8 points each; #5-7 are worth 10 points each; #8-9 are worth 12 points; #10 is worth 14 points. Physical constants and other possibly useful information V sphere = (4/3) p r 3 V cylinder = p r 2 h V cube = s 3 g = 9.80 m/s 2 1 atm = 1.01 x 10 5 Pa r water = 1000 kg/m 3 r Hg = 13,600 kg/m 3 –––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––– 1. Which statement is False? (A) A manometer can indicate negative gauge pressure. (B) IF a barometer is 2 m tall, its ±uid must have a density less than water. (C) Gauge pressure is never more than absolute pressure. (D) All oF the above. (E) A and B only. (²) A and C only. (G) B and C only. (H) None oF the above. –––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––– 2. Which statement is true? (A) r gh is a calculation oF gravitational potential energy per unit volume. (B) P·V is a calculation oF pressure potential energy. (C) P/A is a calculation oF Force. (D) All oF the above. (E) A and B only. (²) A and C only. (G) B and C only. (H) None oF the above. –––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––– 3. Three blocks are placed in a tub (A) Block 2 has the largest buoyant Force acting on it. with water (see bottom oF page). (B) Block 1 must be more dense than block 2. The blocks have volumes V 1 , V 2 (C) Block 1 must have more mass than block 2. and V 3 . Only blocks 1 and 2 ±oat, (D) All oF the above. and V 1 < V 2 < V 3 . Which is False? (E) A and B only. (²) A and C only. (G) B and C only. (H) None oF the above. –––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––– 4. Which statement is true? (A) Archimedes’ Principle states that the buoyant Force is the ±uid pressure
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MT1ESol - Oregon State University PH 202 Midterm Exam 1...

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