7. The diameters of a small piston and a large piston of a hydraulic jack areforce 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 isgiven as 1000 .respectively. Akg[Ans. (a) 1500 N, (b) 1520.5 NJ8. 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/em (gauge), 12.066 N/cm2 (abs.)]m'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 cm 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/em²|cm, determine the absolute pressure of the oil in the pipe in N/cm.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 vacuum. 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 Nlem)11. 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 N/em)of oil in the left limb from the centre of the pipe is 15 cm below.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 point(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 oll 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 ofpressure measured by mercury as fluid filling U-tube.14. A differential manometer is connected at the two points A and B as shown in Fig. 2.25. At B air pressureis 7.848 N/cm (abs.), find the absolute pressure at A.[Ans. 31.36 cm of mercuryl[Ans, 6.91 N/em)AIRBWATEROIL Sp. gr.0.8OIL Sp. gr.0.850'cmI.30 cm2 cm100 am10 cm50 cmMERCURYSp. gr.13.6WATERFig. 2.25Fig. 2.26

Answered: Image /qna-images/answer/9e500c17-f704-452c-8e19-759d57eb04d1.jpg

7. The diameters of a small piston and a large piston of a hydraulic jack are 2 cm and 10 em respectively, A force of 60 N is applied on the small piston. Find the load lifted by the large piston, when : (a) the pistons at 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 NJ given as 1000- low the frne curfao

7. The diameters of a small piston and a large piston of a hydraulic jack are 2 cm and 10 em respectively, A force of 60 N is applied on the small piston. Find the load lifted by the large piston, when : (a) the pistons at 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 NJ given as 1000- low the frne curfao

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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