A reservoir, Figure 4, is circular in plan and the sides slope at an angle of tan-1 (1/5) to the horizontal. When the reservoir is full the diameter of the water surface is 50 m. Discharge from the reservoir takes place through a pipe of diameter 0.65 m, the outlet being 4 m below top water level. Determine the time for the water level to fall 2 m assuming the discharge to be 0.75a/2gH m'/s where ais the cross sectional area of the pipe in m and His the head of water above the outlet in m. 50m H Figure 4: To be used for Que. Sa Using continuity and the Bernoulli equation, derive the expression that can be used to measure actual flow rate with a Venturimeter.

A reservoir, Figure 4, is circular in plan and the sides slope at an angle of tan-1 (1/5) to the horizontal. When the reservoir is full the diameter of the water surface is 50 m. Discharge from the reservoir takes place through a pipe of diameter 0.65 m, the outlet being 4 m below top water level. Determine the time for the water level to fall 2 m assuming the discharge to be 0.75a/2gH m'/s where ais the cross sectional area of the pipe in m and His the head of water above the outlet in m. 50m H Figure 4: To be used for Que. Sa Using continuity and the Bernoulli equation, derive the expression that can be used to measure actual flow rate with a Venturimeter.

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

At a potential hydroelectric site, the average gross head is 73m. It has 9m width and depth of 15m rectangular gate and average water velocity is 4.5 m/s. Assume a coefficient of discharge of 60.5%, leakage loss is 5% of the discharge load and the head utilized by the turbine blade is 60m. The loss in the turbine is equal to 3% of the gross head used. Determine: A. Mechanical Efficiency B. Electric Power Generated
The penstock of hydroelectric turbine is 0.5m x 0.5m with velocity of 5.5m/s and head of 20m. What is the output of the turbine if the turbine efficiency is 92%?
Question 2) The centrifugal pump in the figure is in his preference Passing water at 25°C from the tank through the 1.22 m exchange store pumping. Inner diameter of the suction channel is 101.6 mm, in total it is 0.0306 and its length is 3.2 m. It the local coefficients of the user in the pipe are 7.4. If the pump works at a flow rate of 109 m3/h ENPY=1.52 is m. Does the pump work without cavitation at this flow? Show the calculation. For water, p=997 kg/m3 and Pb=3.169 kPa. Piping system at the entrance (Suction pipe) pump 22 Patm=101.3 kPa and 0.2=1.05. van
A pump is being utilized to deliver a flow rate of 500 li/sec from a reservoir of surface elevation of 65 m to another reservoir of surface elevation 95 m. the total length and diameter of the sunction and discharge pipe are 500 mm,1500 m and 300 mm, 1000 m respectively. assumme a head lose of 2 meters per 100 m length of the sunction pipe and 3m per 100 m length of the discharge pipe. what is the required horsepower of the pump?
Reservoir X (Elevation 369m) supplies water to reservoir Y (Elevation 195m) thru a 400 mm pipe. A turbine is installed in the same level with Reservoir Y. The total system flow is 220 gpm determine the the output power in Hp if the turbine is 65% efficient and the total headloss of the system is 4.5m.
A 50 mm diameter siphon discharges oil (SG=0.88) from a reservoir (elev. 20m) into open air (elev. 15m). The head loss from the reservoir (point 1) to the summit (point 2, elev. 22m) is 2.5 times the velocity head in the siphon and head loss from the summit to the discharge end is 4 times the velocity head in the siphon. What is the absolutepressure at the summit (point 2) assuming the atmospheric pressure to be 101.3 kPa? Do not write the unit. You will only input the numerical answer in the space provided. Unit of the Correct Answer: kPa (indicate the sign if negative) Decimal Places required in the final answer: 3
A pump is being utilized to deliver a flow rate of 500 li/sec from a reservoir of surface elevation of 65 m to another reservoir of surface elevation 95 m.The total length and diameter of the suction and discharge pipes are 500 mm, 1500 m and 30 mm, 1000 m respectively. Assume a head lose of 2 meters per 100 m length of the suction pipe and 3 m per 100 m length of the discharge pipe. What is the required horsepower of the pump? **provide complete solution using bernoullis equation..provide illustration with labels like datum line and such** Show all formula derivation
Ina hydroelectric plant, water flows at 10 m/s in a penstock of 1.2 cross sectional area. If the net head of the plant is 30 m and the turbine efficiency is 80%, what is the turbine output?
In a 225 mm pipeline 0.14 m3/s of water are pumped from a reservoir of surface elevation30 over a hill of elevation 50. A pump of what power is required to maintain a pressure of 345kPa on the hilltop if the head lost between reservoir and hilltop is 6 m?
The specific energy for a 3 m wide channel is to be 3 kg-m/kg. What would be the maximum possible discharge?
Q5: What is the diameter of smalle pipe, if the flow rate (30 lit/sec) ? ·S=0.6 D= Ans: 146.8 mm² 40cm D = 200mm D=?
What is the gross head (m) of a small hydroelectric dam that can produce 10 kW ofpower if the penstock discharge is 1,500 li/min?