please show writen work A fireboat draws seawater (SG = 1.025) from a submerged pipe and discharges it through a nozzle, as shown in the figure given below.The total head loss is 6.5 ft. The specific weight of seawater is 63.96 lbf/ft³. If the pump efficiency is 90 percent, calculate thehorsepower of the motor required to drive the boat.Pump10 ft6 ftD = 6 inD= 2 in120 ft/s

Answered: Image /qna-images/answer/5376b996-64b8-4341-a485-7a1659b4b526.jpg

Answered: A fireboat draws seawater (SG = 1.025)…

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 fuel pump is delivering 50 gals/min of oil with a specific gravity of 0.75. The total head is 30 meters. Find the motor that is capable of handling this pump in horsepower. Assume pump efficiency of 70% and motor efficiency of 80%. Select from the available motors provided: 1hp, 1.25hp, 1.5hp, 2 hp.
c) A nozzle is fastened to the end of a U-tube with dimensions as shown in Figure Q2c. The nozzle exhausts into atmospheric pressure at 100 kPa; neglect friction and compute the force exerted on the U-tube by the water. If the force required to hold the nozzle is 850 N, determine the inlet pressure. 5 CRN 31896 V = 1 m/s 5 cm diameter 1 cm diameter Figure Q2c
A pump has a displacement volume of 5 in3. rotates at 1000 rpm and 1000 psi. If the volumetric efficiency is 92% and the mechanical efficiency is 89%. What is the overall efficiency of the pump?.
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A pump raises 650 tonnes of pure water a height of 55m in 6 hours. If the pump efficiency is 100%, what is the power required to drive the pump?
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2. A pump draws water from a lake delivered to a height of 50 meters above the lake and encounters 15 meters of headloss. Determine the pump power requirement in Kilo-Watts to deliver a constant supply of 500 Liters per second? The correct answer has a margin of 1 from exact answer. Velocity head is neglected.
Calculate the resultant force required in kN to hold a 90° elbow in place when attached to DN 150 Schedule 40 pipes carrying water at 0.1768 m3/s and 1 050 kPa. Neglect energy lost in the elbow. Do not include direction for the final answer! NB: Assume a water density of 1000 kg/m3 and use appropriate appendix to obtain necessary data. Hint: Draw a diagram showing the pipe system with the bent at the bottom right corner, water flowing from left to right then up to help you analyse the problem. Sign Conversion: North (+) and West (+)
Two electric motors are being considered to drive a centrifugal pump. Each motor is capable of delivering 60 horsepower (output) to the pumping operation. It is expected that the motors will be in use 2,000 hours per year and the MARR = 8% per year. (1 hp = 0.746 kW) a. If electricity costs $X per kilowatt-hour, calculate the annual cost of electrical power for each motor b. What cost of electricity (S/kWh) makes the two pumps breakeven (i.e. have the same equivalent annual cost)? Assume repeatability and MVS = $0. c. Choose the graph to illustrate your answer to Part (b). d. Which motor should be selected? Click the icon to view the datatable for the additional information about two alternatives. Click the icon to view the interest and annuity table for discrete compounding when the MARR is 8% per year. a. The annual cost of electrical power for Motor A is $(xX). (Round to two decimal places.)
Two electric motors are being considered to drive a centrifugal pump. Each motor is capable of delivering 90 horsepower (output) to the pumping operation. It is expected that the motors will be in use 2,000 hours per year and the MARR = 5% per year. (1 hp = 0.746 kW) a. If electricity costs $X per kilowatt-hour, calculate the annual cost of electrical power for each motor b. What cost of electricity ($/kWh) makes the two pumps breakeven (i.e. have the same equivalent annual cost)? Assume repeatability and MVs = $0. c. Choose the graph to illustrate your answer to Part (b). d. Which motor should be selected? Click the icon to view the datatable for the additional information about two alternatives. Click the icon to view the interest and annuity table for discrete compounding when the MARR is 5% per year. a. The annual cost of electrical power for Motor A is $( XX). (Round to two decimal places.)
A pump is delivering 160 liters per second of water using an impeller diameter of 254mm and operating at a speed of 1800 rpm. If the speed is held constant and the impeller diameter is changed to 203.2 mm, what is the new discharged of the pump in liters per second?(128 L/s)

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