QUESTION 2The diameter of an open-topped tank 1.5 m high increases uniformly from 4.2 m at thebase to 6 m at the top. Discharge from the base of the tank takes place through a75 mm diameter pipe which is 3 m in length. The pipe discharges the water to theatmosphere 1.5 m below the base of the tank. Initially, the tank is fully filled with water.Take f = 0.01. Find the time to empty the tank.

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Answered: QUESTION 2 The diameter of an…

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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A pipe line of length 2000 m is used for power transmission. If 110 kW power is to be transmitted through the pipe in which water having a pressure of 490.5 N/cm2at inlet is flowing. If the pressure drop over the length of pipe is 98.1 N/cm2and ff = 0.0065.Determine:The diameter of the pipe and the volume flow rate; and If a nozzle is introduced at the end of the pipe, what would be its diameter and the power transmitted.
A 20mm diameter commercial steel pipe, 30m long is used to drain an oil tank. Determine the discharge when the oil level in the tank is 3m above the exit of the pipe. Neglect minor losses and assume f = 0.12.
Determine the available suction head of the pump that is taking a gasoline at 204°C at a closed tank with a pressure 585 kPa gauge. the specific gravity of gasoline is 0.78 and it’s vapor pressure is 620 kPa absolute. the loss in suction pipe is 0.60 m and the pump center line is located 3.60 m above the gasoline level A. 8.66m B. 3.67m C. 7.66m D. 4.47m
In the test of the reaction turbine, the water flowing over the weir in the tailrace was found to be 39.8 ft3 /s. The leakage into the tailrace was found to be 1ft3 /s. The elevation of the centerline of the shaft above, the surface of tailwater was 12.67ft. The diameter of the turbine intake was 30in and the pressure at this section was measured by a mercury U-tube. The readings in the two sides of the mercury U-Tube were 10.556 ft and 0.900 ft, the zero of the scale being at a level 3.82ft below that of the centerline of the turbine shaft. The generator output was 391.8 kW, friction and windage loss 13.8 kW, iron loss 2.0kW and armature loss of 4.4kW. The specific gravity of the mercury used was 13.57. Calculate the efficiency of the turbine.
A horizontal pipe line 40 m long is connected to a water tank at one end and discharges freely into the atmosphere at the other end. For the first 25 m of its length from the tank, the pipe is 150 mm diameter and its diameter are suddenly enlarged to 300 mm. The height of water level in the tank is 8m above the centre of the pipe. Considering all losses of head which occur,determine the rate of flow. Take f = 0.01 for both sections of the pipe.
The discharge of a fluid is 0.80 L/s in a 100 mm diameter pipe. Determine the type of flow if the fluid is:a. Mercury (? = 1.15 x 10-7 m2/s)b. Gasoline (? = 4.06 x 10-7 m2/s)c. Hydrogen (? = 1.08 x 10-4 m2/s)
The water flows through a taper pipe of length 100m having diameters 0.6m at the upper end and 0.3m at the lower end at the rate of 0.05m3 /s. If the pressure at the higher level is 196.2 kPa and the pipe has a slope of 1 in 40, then determine the pressure in the lower end.
1. Water flows through a venturi meter. At the constricted section where the area is 24cm², the pressure is 10.2N/cm², and at the section where the area is 64cm², the pressure is 18.0N/cm². Determine the velocities of water in the larger and smaller pipes and the rate of flow. 2. Why is a water tower generally placed on top of a hill? If the hill is 50m high, can it supply water to the top of a 100-m tal officebbuilding? If not, how does water get to that floor?.
kindly help me with this problems INSTRUCTIONS: Solve the problems neatly and systematically. SUse free-floating decimals in all your calculations and in expressing your answers. Box your final answers. 2. Water in a partially filled large tank is to be supplied to the rooftop, which is 8 m above the water level inthe tank, through a 2.5 cm internal diameter pipe by maintaining a constant air pressure of 300 kPa (gauge) inthe tank. If the head loss in the piping system is 2 m of water, determine the discharge rate of the supply ofwater to the rooftop in L/s
1. Water is flowing through a rectangular duct (width = 0.75m height = 1.3 m) of standard steel. The water enters the pipe at 25 degrees Celsius, then exits at 55 degrees Celsius. The outer wall of the duct maintains a temperature of 22 degrees Celsius. If a pressure drop of 1.48 kPa is developed in the 75m line, determine the velocity of the flow.
A straight pipe has a daimater of 25 mm, a roughness height of 0.1 mm, and is inclined upward at and angle of 10 degrees. The water temperature is 20 degrees C. a. If the pressure at a given section is to be maintianed at 550 kPa, determine the pressure at a section 100 m downstream for flows of 2L/min and 20L/min.
Fluid A is three times denser than Fluid B through the same horizontal pipes. Which will flow faster? How many times faster will it be? Please show a simple equation to discuss the answer.

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