A vertical Venturi meter, 150 mm in diameter is connected to a 300-mm diameterpipe. The vertical distance from the inlet to the throat being 750-mm. If the deflection of the mercury in the differential manometer connected from the inlet to the throat 360-mm, determine the flow of water through the meter if the meter coefficient is 0.68. Determine also the head lost from the inlet to the throat.

A vertical Venturi meter, 150 mm in diameter is connected to a 300-mm diameterpipe. The vertical distance from the inlet to the throat being 750-mm. If the deflection of the mercury in the differential manometer connected from the inlet to the throat 360-mm, determine the flow of water through the meter if the meter coefficient is 0.68. Determine also the head lost from the inlet to the throat.

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

See similar textbooks

Similar questions

Which of the following equations below describes the system head of the piping shown below. The total length of the pipe is 154 ft. Take the friction factor to be 0.026. The pipe used has a nominal diameter of 4 inches and Schedule No. 40. The system head H is in ft and the flow rate Q is in ft^3/s. Hint: You need to use the Tioga table and K value for minor losses. Z₂ = 107 ft Reservoir B 90° regular screwed elbow Pump Z₁ = 53 ft Reservoir A A) H=51+25.98(Q^2) B) H=54+24.98(Q^2) ⒸH=54+25.98(Q^2) ⠀
Oil of specific gravity 0.8 flows through a pipe of 0.25 m diameter. An orifice of 0.1 m diameter is fitted to the pipe to measure the flow rate. A mercury manometer fitted across the orifice records a reading of 0.8 m. Calculate the coefficient of discharge of the orifice meter if the flow rate measured by it is 0.082 m3/s.
Question II Liquid of sp.gr and u is in a closed tank with air at pressure measured by a mechanical gauge. It is required to flow this liquid through a piping system connected to a tank as shown in Fig. with a flowrate Q. There are five available pumps with different maximum head which of them is suitable for this system? What power must supply to the pump if its efficiency is n=0.6? Pumps Ahmax-1 (m) Manometer Ahmax2 Ahmax-3 Ahmax-4 Ahmax-5 (m) (m) sp.gr. sp.gr. PAir hi h2 hs (kPa-G) (m) (m) (m) (m) (m) liquid 0.85 0.78 Piping System oil 2595 30 15 20 16 35 60 130 210 (Le/d): (Le/d) d. (poise) (m) (m) (km) (km) (cm) (mm) Elbow Valve 0.8 10.3 0.125 P° (h:)H.Ex. (m) Hig Z2 L1 L2 L4 Q (1/min) (kPa) 0.032 42 12 14 60 200 680 100.95 14 PAir 3 Closed L4 Oil Air h3 hz La L2 hi 21 Liquid H.Ex. Hg
Explain the major and minor losses? Then solve for the parallel pipes system shown below, a pump is placed in line 2 so that 0.142 m³/s will flow through each pipe. Pipe material is cast iron and for each elbow. Find the relation between the head loses hL1 and h12 and estimate the necessary pump head. Water viscosity is μ=1x10-³ Pa.s. Line 1, L-30 m, D= 6 inches Q₁-0.142 m³/s Pump Line 2, L, 30 m, D-3 inches Q-0.142 m/s R
QUESTION 2 A venturi meter with a throat diameter of 100 mm is fitted in the inclined pipeline of 200 mm diameter with oil of specific gravity 0.88 flowing upwards. The venturi meter coefficient is 0.96. Two pressure gauges are fitted at tapping points, one at the throat reads the vacuum pressure of 40 cm of mercury and the other in the inlet pipe 320 mm below the throat is 20.231 N/cm2. If the loss of head in the main and throat is 0.35 times the kinetic head of the pipe, determine: 2.1 the volume flow rate of oil through the pipe 2.2 the difference in level in the two limbs of the mercury manometer if it is connected to the tapping points and connecting pipes are filled with the same oil
6- Determine the type of flow in the water conveying pipe with a diameter of (20 cm) connected to a Vinguri scale with a neck diameter of (5 cm), where the reading of the manometer connected to the two ends of the scale was (Hg 15 cm). Note that: the density of mercury (gm/cm3 13.6) and the scale constant is 1
(b) A Venturi meter having a throat diameter dz of 150 mm is fitted into a pipeline which has a diameter di of 300 mm through which oil of density 900 kg/m' is flowing. The pressure difference between the entry and throat tappings is measured by a U-tube manometer, containing mercury of density 13600 kg/m', and the connections are filled with the oil. If the difference of level indicated by the mercury in the U-tube is 50 mm, calculate the theoretical volume rate of flow through the meter.
A venturi meter is to be installed in a schedule 40, 6-inch line to measure the flow of water. The maximum rate is expected to be 800 gpm at 86°F. A 50-inHg manometer is to be used. Specify the throat diameter of the venturi. The discharge cone angle is 5°.A. 2.38 inB. 2.98 inC. 3.40 inD. 4.50 in
A venturi meter having a throat diameter of 100mm is fitted into a pipeline which has a diameter of 250mm through which water is flowing. The pressure difference between the entry and throat tapping measured by a U-Tube Manometer containing mercury of a relative density of 13.6 and the connections are filled with the water flowing in the pipeline. If the difference of level indicated by the mercury in the U-tube is 0.63m, calculate: The theoretical volumetric flow rate and The actual volumetric flowrate if the coefficient of discharge is 0.9
write your assumptions
A 200 mm long pipe slopes down at 1 in 100 and tapers from 0.25m diameter to 0.15 diameter at the lower end. If the pipe carries 100 litres of oil of specific gravity 0.85 find the pressure at the lower end. The upper end gauge reads 50 KPa.