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Unformatted text preview: 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 indicatedincluding your test form letter, which is A. 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 true? (A) r gh is a calculation oF gravitational potential energy per unit volume. (B) PV 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. () A and C only. (G) B and C only. (H) None oF the above. 2. 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. () A and C only. (G) B and C only. (H) None oF the above. 3. Which statement is true? (A) Archimedes Principle states that the buoyant Force is the uid pressure exerted on the underside oF any part oF any object immersed in that uid. (B) Pascals Principle states that pressure is the same throughout any body oF incompressible uid. (C) Bernoullis equation equates the mechanical energy density oF any two points in a steady ow oF incompressible uid. (D) All oF the above. (E) A and B only. () A and C only. (G) B and C only. (H) None oF the above....
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This note was uploaded on 03/10/2012 for the course PH 202 taught by Professor Staff during the Winter '08 term at Oregon State.
- Winter '08