Compute the energy input to the motor if the motor efficient

Assignment Help Civil Engineering
Reference no: EM13559161

Compute the motor size required to pump 28.3 cms through a 3,050 m long, 3.66 m diameter pipeline to an upper reservoir 610 m above the lower reservoir. Use a friction facter of 0.02 and a pump efficiency of 80 percent. Compute the energy input to the motor, if the motor efficiency is 90 percent. Neglect minor losses.

Reference no: EM13559161

Questions Cloud

Which process requires more energy completely vaporizing : Which process requires more energy: completely vaporizing 1 kg of saturated liquid water at 1 atm pressure or completely vaporizing 1 kg of saturated liquid water at 8 atm pressure?
Discuss several specific actions the hr generalist : Discuss several specific actions the HR generalist could recommend or facilitate to support the managers in improving the value of the performance appraisal system.* Please list all references
The process is worth the trouble : The process is worth the trouble.
Compute maximum altitude reached by the sandbag : During a hot air balloon race one specific balloon, initially at rest, accelerate vertically upward at a constant rate of a=4.5 ft/s^2 when t0=42 s from the ground the surface, which is at an altitude above mean sea level of s0=3750 ft. When the ball..
Compute the energy input to the motor if the motor efficient : Compute the motor size required to pump 28.3 cms through a 3,050 m long, 3.66 m diameter pipeline to an upper reservoir 610 m above the lower reservoir. Use a friction facter of 0.02 and a pump efficiency of 80 percent.
What can you conclude about the work load for this worker : A relatively unfit worker with resting heart rate of 80 beats/min starts his job of palletizing boxes. At the morning break, an industrial engineer quickly measures the worker’s
What are the strategically relevant components of the global : 1. What are the strategically relevant components of the global and U.S. beverage industry macro-environment?How do the economic characteristics of the alternative beverage segment of the industry differ from that of other beverage categories? Explai..
Calculate how many assemblies the inspector may inspect per : A grievance has been filed by the union at Dorben Co. regarding the final inspection station, in which the operator slightly lifts a 20 lb assembly, examines all sides, and, if acceptable, sets it back down on the conveyor, where the assembly goes to..
Determine the density of vehicles on the grade : From a photograph one observes that on a level section of highway 10% of the vehicles are trucks, 90% are cars, and that there are 50 vehicles per mile of highway. The trucks travel at 40 mph,

Reviews

Write a Review

Civil Engineering Questions & Answers

  A coal fired power plant is served by 25 trucks when loaded

a coal fired power plant is served by 25 trucks. when loaded each truck consists of one single-axle of 14 kips the

  Why the concentration is reduced at end of distribution pipe

The Fluoride feeder runs out of feed solution. The rapid mix tank is connected to a 5 km long distribution pipe. The flow rate into the tank mix tank is 0.44 m/s and the volume of the tank is 2.50 m.

  What is probability that one can travel to city three

There are two ways to get from City One to City Three, (a) directly or (b) via City Two. Let A be the event that the road from City One to Three is open. Similarly, B is for City One to Two and C is for City Two to Three.

  What is the highest downward speed that jumper can attain

What is the highest downward speed (the terminal velocity), in miles per hour, ? At the terminal velocity the downward force (the weight) is equal to the upward force (the aerodynamic drag force).

  Determine how many unique combinations can be formed

A. List of all possible resistance combinations that can be formed with these springs. indicate drawings and calculation of each unique configuration. B. How many unique combinations can be formed

  Compare this path line with the streamline through the same

Consider a velocity field V = axiˆ + by(1+ ct) ˆj , where a=b=2 sec-1, and c=0.4sec-1. For the particle that passes through the point (x,y)=(1,1) at the instant t=0, plot the pathline during the interval from t=0 to 1.5 sec.

  Estimate the first derivative of f

Write a script newquot.m that uses the Newton quotient, [f (x + h) - f (x)]/h, to estimate the first derivative of f (x) = x3 at x = 1, using successively smaller values of h: 1, 10-1, 10-2, and so forth. Use a function M-file for f (x).

  What is loss in truck operating cost for the logging company

The performance functions of these three routes are: t1=50+0.2v1, t2=80+0.1v2, t3=120 + 0.05v3 t1, t2, t3 and are travel times in minutes; v1, v2, v3 are flows in number of trucks per day.

  Determine the appopriate set of pi terms in a tank

The power, P, required by an agitator in a tank is a function of the following variables, diameter of the agitator, D, Frequency of the impeller rotation, w (1/s), Viscosity of liquid, u (lbss/ft^2) and the density of the liquid ,p (slugs/ft^3)

  Calculate size of the initial flaw that will cause failure

A high strength steel is developed with a yield stress of 1460 MPa and a critical stress intensity factor of 30MPa(m)^0.5. Calculate the size of the initial flaw that will cause failure in an infinite plate when the load applied is 50% of the load..

  Determine what is the porosity of the soil sample

The sample is placed in a 103 F oven overnight and is weighted again the next day. If the weight after drying is 0.85 lb and the specific gravity of the soil granuals is 2.65, what is the porosity of the soil sample

  What is the pressure difference measured by the manometer

The "U"-tube manometer containing mercury of density 13600 kg/cubic meters is used to measure the pressure drop along a horizontal pipe. If the fluid in the pipe has a relative density of 0.8 and the manometer reading is 0.6 meters

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd