Question: The 38-inch pump in Fig. 11.7b is used in series to lift 20C water 3000 ft through 4000-ft of 18-inch-diameter cast iron pipe. For most

The 38-inch pump in Fig. 11.7b is used in series to lift 20°C water 3000 ft through 4000-ft of 18-inch-diameter cast iron pipe. For most efficient operation, how many pumps in series are needed if the rotation speed is
(a) 710 rpm; and
(b) 1200 rpm?

Step by Step Solution

★★★★★

3.37 Rating (144 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

a At BEP in Fig 117b D 38 n 710 rpm read H 225 ft and Q 20000 gpm 446 ft3s Take 000085 ft Evaluate ... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

E-ME-FM (1369).docx

120 KBs Word File

Students Have Also Explored These Related Mechanical Engineering Questions!

Water at 120F flows in an iron pipe 10 ft long, whose inner and outer radii are 1 /2 in. and in. The temperature of the surrounding air is 70F. (a) Assuming that the water temperature remains...

Water flowing steadily through a 2 cm diameter pipe at 30 m/s goes through an expansion joint to flow through a 4 cm diameter pipe. Assuming the internal energy remains constant, determine (a) The...

A 70 percent efficient pump delivers water at 20°C from one reservoir to another 20 ft higher, as in Fig. P6.102. The piping system consists of 60 ft of galvanized iron 2-in pipe, a reentrant...

When you purchased yourcar, you took out afive-year annual-payment loan with an interest rate of 5.8% per year. The annual payment on the car is $5,100. You have just made a payment and have now...

7 of 10 Which chart combines two or more chart types and is used when the data is broadly varied? Area Combo Bar Surface

If the 38-in pump from Fig. 11.7(b) is used to deliver 20C kerosene, at 850 rpm and 22000 gal/min, what (a) Head; and (b) Brake horsepower will result?

The 32-in-diameter pump in Fig. 11.7a is used at 1170 rpm in a system whose head curve is Hs (ft) 100 + 1.5Q2; with Q in kgal/min. Find the discharge and brake horsepower required for (a) One pump;...

Medical grade oxygen has become a product of national priority now. Oxygen concentration based on pressure swing adsorption is quickly becoming an obsolete technology. You are asked to dissect a...

Examine the pricing strategies in the gasoline market. Make sure to address the following topics: In the article, (Mixed) Strategy in Oligopoly Pricing: Evidence from Gasoline Price Cycles Before and...

0405441 Human Factors and Ergonomics Assignment 1 1. Summarise the events of Piper Alpha disaster based on the two articles found on the BB (in less than 500 words). 2. What were the causes of this...

pleasewrite the full answer in computer typing 4. Given the process model is of the form y(k)= If the input and output data is given as k 1 2 3 2 5 6 18 C_AMO_TEM_035_02 i. ii. u(k) y(k) bz- 1 + az=...

If the conditions in the future are expected to be like those in the past, what is the expected portfolio return and standard deviation in a portfolio comprised of 25% XOM and 75% MSFT? 50% XOM and...

Copy and complete the working. Expand the brackets. a x(y+3)=xxy+xx3 = xy+| p(3+4p) px3+px 4p =+4p b d y(y-2)=yxy-yx2 = 12 - q(6q-15)=qx6q-qx15 = -0

61. Suppose the market for a good is expressed as follows: Inverse demand: P = 200 - 2Q Inverse supply: P = 20 What is the equilibrium price and quantity if the government imposes a supply quota of...

56. What is the consumer surplus at Q0? What is the consumer surplus at Q1? What is the producer surplus at Q0? What is the producer surplus at Q1? Total surplus at Q0? Total surplus at Q1? What is...

7. Martin is selling his guitar. The minimum amount he needs to be paid for the guitar is $16,500. He finds a buyer who is willing to pay $23,400, but this buyer insists that Martin pays for the...

6. At a market price of $4, what is the total consumer surplus? $320 O $120 O $80 $160

5. The diagram shows demand and supply curves for a good. Sis the original supply curve, S2 is supply after a tax is added. 8 price ($) 4 10 14 quantity How much tax revenue is earned by the...

Employee of the month (or the week, or the year) awards have a bad image. They are popularly associated with low-paid, low-status service sector jobs a dollop of worthless recognition on top of an...

At Desi's Dessert Destination, the probability that a customer orders coffee is 0.61, the probability that a customer orders pie is 0.33, and the probability that a customer orders both coffee and...

Need assistance with java files for final project: collection manager. I just had cancer surgery and my final project suffered because of it. Is there anyone who would be willing to provide me the...

Five members of the Mutual Admiration Club and five members of the Pay It Forward Club had a competition to see which team, on average, could stare into another club member's eyes the longest. Their...