(e) mercury of sp. g.3. Calculate the pressure due to a column of 0.4 m of (a) water, (b) an oil of sp. gr. 0.9,13.6. Take density of water, p = 1000-[Ans. (a) 0.3924 N/cm, (b) 0.353 N/cm², (c) 5.33 N/em5. An oil of sp. gr. 0.8 is contained in a vessel. At a point the height of oil is 20 m. Find the corresponding4. The pressure intensity at a point in a duid is given 4.9 N/cm. Find the corresponding height of fluid wis : (a) water, and (b) an oil of sp. gr. 0.8.m"[Ans. (a) 5 m of water, (b) 6.25 m of cil(Ans. 16 m)height of water at that point.6. An open tank contains water upto a depth of 1.5 m and above it an oil of sp. gr. 0.8 for a depth of 2 m. Fthe pressure intensity: (1) at the interface of the two liquids, and (ii) at the bottom of the tank.[Ans. (f) 1.57 N/cm", (i) 3.04 N/em7. The diameters of a small piston and a large piston of a hydraulic jack are 2 cm and 10 cm respectively, Aforce of 60 N is applied on the small piston. Find the load lifted by the large piston, when : (a) the pistonsat the same level, and (b) small piston is 20 cm above the large piston. The density of the liquid in the jack is[Ans. (a) 1500 N, (b) 1520.5 N]kggiven as 1000 .8. Determine the gauge and absolute pressure at a point which is 2.0 m below the free surface of water. Take[Ans. 1.962 N/cm (gauge), 12.066 N/cm2 (abs.)]atmospheric pressure as 10.1043 Nicm.9. A simple manometer is used to measure the pressure of oil (sp. gr, 0.8) flowing in a pipe line. Its rightlimb is open to the atmosphere and left limb is connected to the pipe. The centre of the pipe is 9 em belowthe level of mercury (sp. gr. 13.6) in the right limb. If the difference of mercury level in the two limbs is 15[Ans. 12.058 N/em']10. A simple manometer (U-tube) containing mercury is connected to a pipe in which an oil of sp. gr. 0.8 isflowing. The pressure in the pipe is vačuum. The other end of the manometer is open to the atmosphere.Find the vacuum, pressure in pipe, if the difference of mercury level in the two limbs is 20 cm and height[Ans.- 27.86 N/cm11. A single column vertical manometer (L.e., micrometer) is connected to a pipe containing oil of sp. gr. 0.9.The area of the reservoir is 80 times the area of the manometer tube. The reservoir contains mercury ofsp. gr. 13.6. The level of mercury in the reservoir is at a height of 30 cm below the centre of the pipe anddifference of mercury levels in the reservoir and right limb is 50 cm. Find the pressure in the pipe.(Ans. 6.474 Niem)12. A pipe contains an oil of sp. gr. 0.8. A differential manometer connected at the two points A and B of thepipe shows a difference in mercury level as 20 cm. Find the difference of pressure at the two points[Ans. 25113.6 Nm)13. A U-tube differential manometer connects two pressure pipes A and B. Pipe A contains carbontetrachloride having a specific gravity 1.594 under a pressure of 11.772 N/cm and pipe B contains oil ofsp. gr. 0.8 under a pressure of 11.772 N/em". The pipe A lies 2.5 m above pipe B. Find the difference ofcm, determine the absolute pressure of the oil in the pipe in N/cm.of oil in the left limb from the centre of the pipe is 15 cm below.[Ans. 31.36 cm of mercuryl14. A differential manometer is connected at the two points A and B as shown in Fig, 2.25. At B air pressuepressure measured by mercury as fluid filling U-tube.is 7.848 N/cm (abs.), find the absolute pressure at A.[Ans, 6.91 Nem)

Answered: Image /qna-images/answer/c443e90d-d52b-41cf-b869-836f691e3797.jpg

3. Calculate the pressure due to a column of 0.4 m of (a) 13.6. Take density of water, p 1000- (Ans. (a) 0.3924 N/cm², (b) 0.353 N/cm², (c) 5.33 N/em kg 4. The pressure intensity at a point in a fluid is given 4.9 N/cm. Find the corresponding height of fluid when it is : (a) water, and (b) an oil of sp. gr. 0.8. 5. An oil of sp. gr. 0.8 is contained in a vessel. At a point the height of oil is 20 m. Find the corresponding m' [Ans. (a) 5 m of water, (b) 6.25 m of c (Ans. 16 m) of sp. gr. 0.8 for a denth of 2 height of water at that point.

3. Calculate the pressure due to a column of 0.4 m of (a) 13.6. Take density of water, p 1000- (Ans. (a) 0.3924 N/cm², (b) 0.353 N/cm², (c) 5.33 N/em kg 4. The pressure intensity at a point in a fluid is given 4.9 N/cm. Find the corresponding height of fluid when it is : (a) water, and (b) an oil of sp. gr. 0.8. 5. An oil of sp. gr. 0.8 is contained in a vessel. At a point the height of oil is 20 m. Find the corresponding m' [Ans. (a) 5 m of water, (b) 6.25 m of c (Ans. 16 m) of sp. gr. 0.8 for a denth of 2 height of water at that point.

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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