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4. The pressure in the ideal gas law must be unit length along any line in the surface 7. weight per unit volume 9. It is either positive or negative, depending upon whether its level is above or below the expressed as 5. It is used to indicate the normal force per unit area at a given point acting on a giver plane within the fluid mass of interest 8. The ratio of the density of the fluid to the density of water at some specified atmospheric pressure reference temperature 10. mass per unit volume

4. The pressure in the ideal gas law must be unit length along any line in the surface 7. weight per unit volume 9. It is either positive or negative, depending upon whether its level is above or below the expressed as 5. It is used to indicate the normal force per unit area at a given point acting on a giver plane within the fluid mass of interest 8. The ratio of the density of the fluid to the density of water at some specified atmospheric pressure reference temperature 10. mass per unit volume

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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3. Reciprocal of the density 6. The intensity of the molecular attraction per unit length along any line in the surface 7. weight per unit volume 9. It is either positive or negative, depending upon whether its level is above or below the atmospheric pressure reference produced by the attraction of the water molecules to a solid surface 4. The pressure in the ideal gas law must be expressed as 5. It is used to indicate the normal force per unit area at a given point acting on a given plane within the fluid mass of interest 8. The ratio of the density of the fluid to the density of water at some specified temperature 10. mass per unit volume TASK 2: SOLVE PROBLEMS INVOLVING THE PROPERTIES OF FLUIDS. Multiple Choice. Instructions: Select the correct answer for each of the following questions. Put a check mark on letter/s corresponding to the correct answer/s. STRICTLY NO ERASURES ALLOWED. 1. The correct units on viscosity are: (A) kg/(s · m) (B) kg · m/s (C) kg · s/m (D) kg · m/s2 5. Two meters of water is equivalent to how many millimeters of mercu- ry? (A) 422 mm (B) 375 mm (C) 231 mm (D) 147 mm 2. Avacuum of 25 kPa is measured at a location where the elevation is 6 Calculate the force needed to pro- 4000 m. The ahsolute pressure, in vide an initial upward acceleration millimeters of mercury, is nearest (A) 425 mm (B) 375 mm (C) 325 mm of 40 m/s2 to a 0.4-kg rocket (A) 18.67N (B) 19.92N (C) 20.82N (D) 16.00N (D) 275 mm 7. A machine creates small 1.0-mm- 3. A 0.1-m3 volume of water is ob- served to be 0.0982 m3 after a pres- diameter bubbles of 20°C-water. Es- sure is applied. What is that pressure? (A) 37,8 MPa (B) 24.2 MPа (C) 11.7 MPa (D) 8.62 MPa timate the pressure that exists in- side the bubbles. (A) 597PA (B) 572PA (C) 586PA (D) 589P. 8 AU-tube manometer measures the pressure in an air pipe to be 10 cm of water. The pressure in the pipe is 4. Afluid mass of 1500 kg occupies 2 m3. Its specific gravity is nearest (A) 1.5 (B) 0.75 (C) 0.30 (D) 0.15 nearest (A) 843 Pa (B) 981 Pa (C) 1270 Pa (D) 1430 Pa 66 MODULE 2 ON-TARGET! PRINCIPLES OF HYDROSTATICS ES 200 COUD SE.
Transcribed Image Text:3. Reciprocal of the density 6. The intensity of the molecular attraction per unit length along any line in the surface 7. weight per unit volume 9. It is either positive or negative, depending upon whether its level is above or below the atmospheric pressure reference produced by the attraction of the water molecules to a solid surface 4. The pressure in the ideal gas law must be expressed as 5. It is used to indicate the normal force per unit area at a given point acting on a given plane within the fluid mass of interest 8. The ratio of the density of the fluid to the density of water at some specified temperature 10. mass per unit volume TASK 2: SOLVE PROBLEMS INVOLVING THE PROPERTIES OF FLUIDS. Multiple Choice. Instructions: Select the correct answer for each of the following questions. Put a check mark on letter/s corresponding to the correct answer/s. STRICTLY NO ERASURES ALLOWED. 1. The correct units on viscosity are: (A) kg/(s · m) (B) kg · m/s (C) kg · s/m (D) kg · m/s2 5. Two meters of water is equivalent to how many millimeters of mercu- ry? (A) 422 mm (B) 375 mm (C) 231 mm (D) 147 mm 2. Avacuum of 25 kPa is measured at a location where the elevation is 6 Calculate the force needed to pro- 4000 m. The ahsolute pressure, in vide an initial upward acceleration millimeters of mercury, is nearest (A) 425 mm (B) 375 mm (C) 325 mm of 40 m/s2 to a 0.4-kg rocket (A) 18.67N (B) 19.92N (C) 20.82N (D) 16.00N (D) 275 mm 7. A machine creates small 1.0-mm- 3. A 0.1-m3 volume of water is ob- served to be 0.0982 m3 after a pres- diameter bubbles of 20°C-water. Es- sure is applied. What is that pressure? (A) 37,8 MPa (B) 24.2 MPа (C) 11.7 MPa (D) 8.62 MPa timate the pressure that exists in- side the bubbles. (A) 597PA (B) 572PA (C) 586PA (D) 589P. 8 AU-tube manometer measures the pressure in an air pipe to be 10 cm of water. The pressure in the pipe is 4. Afluid mass of 1500 kg occupies 2 m3. Its specific gravity is nearest (A) 1.5 (B) 0.75 (C) 0.30 (D) 0.15 nearest (A) 843 Pa (B) 981 Pa (C) 1270 Pa (D) 1430 Pa 66 MODULE 2 ON-TARGET! PRINCIPLES OF HYDROSTATICS ES 200 COUD SE.
1. If the pressure in the water pipe is 40 kPa and h = 20 cm, the distance H is nearest (SHg = Ywaer 13.6) (A) 31 cm YMercury (B) 37 cm (C) 42 cm (D) 49 cm Pipe 2 The gate shown is a quarter circle of radius 120 cm. The hinge is 60 cm below the water surface. The force needed to just open the 1.4-m- wide gate is nearest (A) 10.1 kN (B) 12.9 kN (C) 14.6 kN (D) 18.2 kN Hinge Water AP Gate 3. A submersible has a viewing window that is 60 cm in diameter. Determine the pressure force of the water on the window if the center of the window is 30 m below the surface and the horizontal window. (A) 65.8 kN (B) 79.3 kN (C) 83.2 kN (D) 99.1 kN 4. A3-m-high, open cubical tank is fi lled with water. One end acts as a gate and has a hinge at the very bottom. What force at the very top of the gate is needed to just hold the gate shut? (A) 44.1 kN (B) 38.2 kN (C) 23,9 kN (D) 20.1 kN 5. The gate shown will open automatically when the water level reaches a certain height above the hinge. Determine that height if b is 1.6 m. (A) 1.87 m (В) 2.12 m (C) 2.77 m (D) 2.91 m H Hinge Water b 18 6. A body weighs 200 N in air and 125 N when submerged in water. Its specific weight is nearest (A) 2.31 (B) 2.49 (C) 2.54 (D) 2.67 7. A1.4-m-high, 4.2-m-long enclosed tank is fi lled with water and accelerated horizontally at 6 m/s2. If the top of the tank has a small slit across the front, the maximum pressure in the tank is nearest (A) 38.9 kPa (B) 45.8 kPa (C) 59.7 kPa (D) 66.7 kPa 8 The force on the rear of the 80-cm-wide tank (the vertical end) of Prob. 7 is nearest (A) 108 kN (B) 95 kN (C) 79 kN (D) 56 kN 9. A test tube is placed in a rotating device that gradually positions the tube to a horizontal position. If the rate is 1000 rpm, estimate the pressure at the bottom of the relatively small-diameter test tube. The 12-cm-long tube contains water and the top of the tube is at a radius of 4 cm from the axis or rotation. (A) 723 kPa (B) 658 kPa (C) 697 kPa (D) 767 kPa Оpen 10. The U-tube is rotated about the right leg at 100 rpm. Calculate the pressures at A and B in the water if L is 40 cm. (A) 6770 Pa, 3920 Pa (B) 7530 Pa, 2780 Pa (C) 8770 Pa, 3920 Pa (D) 9620 Pa, 2780 Pa A L L В х
Transcribed Image Text:1. If the pressure in the water pipe is 40 kPa and h = 20 cm, the distance H is nearest (SHg = Ywaer 13.6) (A) 31 cm YMercury (B) 37 cm (C) 42 cm (D) 49 cm Pipe 2 The gate shown is a quarter circle of radius 120 cm. The hinge is 60 cm below the water surface. The force needed to just open the 1.4-m- wide gate is nearest (A) 10.1 kN (B) 12.9 kN (C) 14.6 kN (D) 18.2 kN Hinge Water AP Gate 3. A submersible has a viewing window that is 60 cm in diameter. Determine the pressure force of the water on the window if the center of the window is 30 m below the surface and the horizontal window. (A) 65.8 kN (B) 79.3 kN (C) 83.2 kN (D) 99.1 kN 4. A3-m-high, open cubical tank is fi lled with water. One end acts as a gate and has a hinge at the very bottom. What force at the very top of the gate is needed to just hold the gate shut? (A) 44.1 kN (B) 38.2 kN (C) 23,9 kN (D) 20.1 kN 5. The gate shown will open automatically when the water level reaches a certain height above the hinge. Determine that height if b is 1.6 m. (A) 1.87 m (В) 2.12 m (C) 2.77 m (D) 2.91 m H Hinge Water b 18 6. A body weighs 200 N in air and 125 N when submerged in water. Its specific weight is nearest (A) 2.31 (B) 2.49 (C) 2.54 (D) 2.67 7. A1.4-m-high, 4.2-m-long enclosed tank is fi lled with water and accelerated horizontally at 6 m/s2. If the top of the tank has a small slit across the front, the maximum pressure in the tank is nearest (A) 38.9 kPa (B) 45.8 kPa (C) 59.7 kPa (D) 66.7 kPa 8 The force on the rear of the 80-cm-wide tank (the vertical end) of Prob. 7 is nearest (A) 108 kN (B) 95 kN (C) 79 kN (D) 56 kN 9. A test tube is placed in a rotating device that gradually positions the tube to a horizontal position. If the rate is 1000 rpm, estimate the pressure at the bottom of the relatively small-diameter test tube. The 12-cm-long tube contains water and the top of the tube is at a radius of 4 cm from the axis or rotation. (A) 723 kPa (B) 658 kPa (C) 697 kPa (D) 767 kPa Оpen 10. The U-tube is rotated about the right leg at 100 rpm. Calculate the pressures at A and B in the water if L is 40 cm. (A) 6770 Pa, 3920 Pa (B) 7530 Pa, 2780 Pa (C) 8770 Pa, 3920 Pa (D) 9620 Pa, 2780 Pa A L L В х
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