6.3 Contamination of vegetable oilVegetable oil is used in a food processing factory to prepare instant breadcrumbs. A stirred tank is used to hold the oil.During operation of the breadcrumb process, oil is pumped from the tank at a rate of 4.8 1 h-¹. At 8 PM during thenight shift, the tank is mistakenly connected to a drum of cod liver oil, which is then pumped into the tank. The volumeof vegetable oil in the tank at 8 PM is 60 1.(a) If the flow rate of cod liver oil into the tank is 7.5 1h-1 and the tank has a maximum capacity of 100 1, will the tankoverflow before the factory manager arrives at 9 AM? Assume that the density of both oils is the same.(b) If cod liver oil is pumped into the tank at a rate of 4.8 1 h 1 instead of 7.5 1 h−1, what is the composition of oil inthe tank at midnight?

Answered: 6.3 Contamination of vegetable oil…

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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Three types of fluids stack in an open tank as shown in the plot. Select the expression of the gage pressure at location 3, P3(gage)=______ A. B. C. D.
Choose the correct answer of the following questions 2. A siphon used to empty a tank consists essentially of a pipe with its summit 0.5 m above the water surface of the tank and its outlet at 2.0 m below the summit. Neglecting friction and other losses. the velocity in the siphon is: a. 4.4 m/sec b. 5.4 m/sec C.3.1 m/sec d. 3.8 m/sec 3. A 20 cm diameter open cylindrical container contains Kerosene (relative density = 0.80) to a height of 20 cm. It is rotated about a vertical axis coinciding with the axis of the cylinder. If the bottom of the cylinder at the axis is just exposed, the speed of rotation is: a. 94.6 rpm br267.5 rpm c. 133.8 rpm d. 535.0 rpm
Cou
For a pumper truck pumping water to a fire, the back pressure is the additional pressure on the pump caused by the height of the nozzle. (Another way of thinking of back pressure is as the minimum pressure the pumper must produce in order to make water flow out the end of the nozzle.) Consider a pumper at street level pumping water through a hose to firefighters on the top of the ninth floor of a building. If each floor is 16 feet high, what is the head of water at the mouth of the nozzle?
Can You Solve This.
6.
In the pumping system shown below, determine the following. a. Head loss at suction in m b. Head loss at discharge in meters c. Total head losses in meters d. Total dynamic head developed by the pump in meters e. Water Power in KW f. Brake Power in KW g. Energy consumption for 15 hours operation in KW-hr h. Line current drawn by the 3-Phase motor drive in amperes i. Pumping cost in Pesos/Day if electricity costs P7.00/KW-hr Figure: Other Data Water Temperature: 20∘C Suction Line 5−20 m 1−90∘ Elbow 1− Check Valve (Fully Open) Pipe Material: Galvanized Iron ND=100 mm Discharge Line L=50 m 12−90∘ Elbow 1− Gate Valve (Fully Open) 1− Check Valve Pipe Material: Galvanized Iron ND =80 mm Pump Efficiency: 75% Motor Efficiency: 82% Volts: 220 V Power Factor: 92%
Answer: 57.4 ft/s=17.5m/sTorricelli's equation does not apply but the simplified Bernoulli's equation does apply.
A home hot water heater contains 40 gal of water. Because of a failure of the heat control, heat is continuously applied to the water in the tank, increasing the temperature and pressure. Unfortunately, the relief valve is clogged and the pressure rises past the maximum pressure of the vessel. At 250 psig the tank ruptures. Estimate the quantity of water flashed
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3. Vertical turbines are to be used for flocculation in a water treatment plant with a design flow rate of 189,270 m³/day. Flocculation is to be designed with two trains and five compartments per train. The total detention time in this process is to be 25 minutes, and the average temperature of the water flowing into the plant is 10°C. The velocity gradient in the first compartment is to be 70 s¹. Make the following design decisions for the first compartment: a) Determine the dimensions of the compartment. b) Determine the diameter of the impeller. c) Determine the water power required. d) Determine the maximum rotational speed. e) Estimate the pumping capacity of the impeller and circulation time in the tank.
34. Determine water jet velocity at the bottom hole of the tank if the column of water inside the tank is 100ft. a. 76.1315ft/s b. 74.4204ft/s c. 78.6282ft/s d. 80.2496ft/s

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