Question

In: Mechanical Engineering

A water pump has the following performance based on the tabulation below: Q, liters/min Total head,...

A water pump has the following performance based on the tabulation below: Q, liters/min Total head, m Power in, W 100 12.0 208.5 120 10.0 204.2 140 8.5 211.3 160 7.5 227.9 180 7.0 263.8

Q, liters/min Total head,m Power in,W
100 12.0 208.5
120 10.0 204.2
140 8.5 211.3
160 7.5 227.9
180 7.0 263.8

1. Make computations each for the efficiencies at the different flowrates and total heads of the pump. Recommend at what total head should the pump be operated for maximum efficiency.

Solutions

Expert Solution

Detailed answer of above asked question is solved as below.

samet mamat answered 5 months ago
Next > < Previous

Related Solutions

A pump lifts 1000 (liters) of water from ground to a tank on the roof of...
A pump lifts 1000 (liters) of water from ground to a tank on the roof of a building 100 (m) high. What is the potential energy in the water? [ 1 (liter) = 1000 cm3 ]. Show all your steps to the solution. A skier is coming downhill. At one point she is 50 (m) above the bottom of the hill and moving at 20 (m/s). What is her speed as she reaches the bottom of the hill? 22.3 (m/s)...
this is fluid mechanics question a)sketch performance curve of a pump on a head against volumetric...
this is fluid mechanics question a)sketch performance curve of a pump on a head against volumetric flow rate axis b) label shutoff and delivery points. c) on the same axis sketch a system curve and label operating point.
this is fluid mechanics question a)sketch performance curve of a pump on a head against volumetric...
this is fluid mechanics question a)sketch performance curve of a pump on a head against volumetric flow rate axis b) label shutoff and delivery points. c) on the same axis sketch a system curve and label operating point.
Answer the following question based on the chart below: Q Total Cost Fixed Cost Total Variable...
Answer the following question based on the chart below: Q Total Cost Fixed Cost Total Variable Cost AVC Marginal Cost 0 $12 -- -- - 1 $17 2 $23 3 $29 4 $37 5 $47 If the good is selling for $8, the optimal amount for this firm to produce in the short run is? When would the firm shut-down in the short-run (i.e. at what price)? What if the price of the good was $5.50? What would the firm...
Water flows through a shower head steadily at a rate of 8 kg/min. The water is...
Water flows through a shower head steadily at a rate of 8 kg/min. The water is heated in an electric water heater from 158C to 458C. In an attempt to conserve energy, it is proposed to pass the drained warm water at a temperature of 388C through a heat exchanger to preheat the incoming cold water. Design a heat exchanger that is suitable for this task, and discuss the potential savings in energy and money for your area.
The following cross-tabulation shows household income by the educational level of the head of the household...
The following cross-tabulation shows household income by the educational level of the head of the household (Statistical Abstract of the United States, 2008). Household Income ($1000s) Education Level Under 25 25.0 –49.9 50.0 – 74.9 75.0 – 99.9 100 or more Total Not H.S. Graduate 4,207 3,459 1,389 539 367 9,961 H.S. Graduate 4,917 6,850 5,027 2,637 2,668 22,099 Some College 2,807 5,258 4,678 3,250 4,074 20,067 Bachelor’s Degree 885 2,094 2,848 2,581 5,379 13,787 Beyond Bach. Deg. 290 829...
A pump is to lift water from a source 10 ft below pump centerline and to...
A pump is to lift water from a source 10 ft below pump centerline and to be discharged to a tank 60ft above pump centerline. The installation uses 3”∅ and 2.5 “∅ pipe for suction and discharge, respectively. A pump is to handle 200 gpm of water at 80°F. The loss of head due to friction can be estimated equal to 8.5 ft. Determine: A) TDH B) WHP C)BHP if np = 60% D)time required to fill the cylindrical tank...
A centrifugal pump lifts water against a head of 36m, the manometric efficiency being 80%. The...
A centrifugal pump lifts water against a head of 36m, the manometric efficiency being 80%. The suction and delivery pipes are both 150mm bore, the impeller is of 375mm and 25mm wide at the outlet; its exit blade angle is 250 and the specific rotational speed is 1320 rev/min. If the total loss by friction in the pipeline at this speed is estimated at 9m, calculate the probable rate of discharge at this speed.
The following cross-tabulation shows household income by educational level of the head of household Household Income...
The following cross-tabulation shows household income by educational level of the head of household Household Income ($1000s) Education Level Under 25 25.0 –49.9 50.0 – 74.9 75.0 – 99.9 100 or more Total Not H.S. Graduate 4,207 3,459 1,389 539 367 9,961 H.S. Graduate 4,917 6,850 5,027 2,637 2,668 22,099 Some College 2,807 5,258 4,678 3,250 4,074 20,067 Bachelor’s Degree 885 2,094 2,848 2,581 5,379 13,787 Beyond Bach. Deg. 290 829 1,274 1,241 4,188 7,822 Total 13,106 18,490 15,216 10,248...
I have 0.500 Liters of water. To that 0.500 Liters, I add the following: a. 0.100...
I have 0.500 Liters of water. To that 0.500 Liters, I add the following: a. 0.100 moles HCl b. 0.100 moles HOAc c. 0.100 moles NH4Cl d. 0.100 HF e. 0.050 moles NaOH f. 0.050 moles NaOAc g. 0.050 moles Mg(OH)2 What is the pH of the resulting mixture of everything? Please show individual steps, since this question is meant to be answered sequentially from a to g. Thanks!
ADVERTISEMENT
Subjects
ADVERTISEMENT
Latest Questions
ADVERTISEMENT