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MT1ESol

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

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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 specific directions on each page of the answer form . Use standard SI units unless directed otherwise; use three significant digits in all final 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 fluid 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. (F) A and C only. (G) B and C only. (H) None of the above. –––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––– 2. Which statement is true? –––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––– 3. Three blocks are placed in a tub with water (see bottom of page). The blocks have volumes V 1 , V 2 and V 3 . Only blocks 1 and 2 float, and V 1 < V 2 < V 3 . Which is false? (E) A and B only. (F) A and C only. (G) B and C only. (H) None of the above. ––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––

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

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