M Bachelor International B2-4Fluid Mechanics: Homework (to be returned)Name:icamThe head-versus-flow-rate characteristics of a centrifugal pump are shown in Fig.P6.80. If this pump drives water through a 120 m of 30-cm-diameter pipe (with thefriction coefficient f=0.013), what will be the resulting flow rate, in m³/s?P6.8080 mParabolaAPumpperformance2m³/s

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Answered: Bachelor International B2-4 Fluid…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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Section: Chapter Questions

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Q.5 a) In a 80 mm diameter pipeline an oil of specific gravity 0-8 is flowing at the rate of 0-0125 m^3/s. A sudden expansion takes place into a second pipeline of such diameter that maximum pressure rise is obtained. Find :(i) Loss of energy in sudden expansion,(ii) Differential gauge length indicated by an oil-mercury manometer connected between the two pipes. (iii) find the maximum pressure rise. (-
Find the air horsepower of an industrial fan that delivers 40m3/s of air through a 700mm x 1000mm duct if static pressure is 150mm of water gage and air density is 1.18kg/m3 Answer: 182.2
Water fl owing in a smooth 6-cm-diameter pipe entersa venturi contraction with a throat diameter of 3 cm.Upstream pressure is 120 kPa. If cavitation occurs in thethroat at a fl ow rate of 155 gal/min, what is the estimatedfl uid vapor pressure, assuming ideal frictionless fl ow?( a ) 6 kPa, ( b ) 12 kPa, ( c ) 24 kPa, ( d ) 31 kPa, ( e ) 52 kPa
Q6) Calculate the hydraulic horsepower for pumping 500 gal / min from an inlet pressure of 5 psig to an outlet pressure of 30 psig (a) For water. (density 1000kg/m³) (b) For gasoline. (density 700 kg/m³) Discuss the difference for the pump power of (a) and (b) Q7) How many horsepowers are required to compress 20 lbmol/h of helium (k = 1.666) from 1 atm at 68°F to 10 atm using; (a) (b) (c) 68°F? An isothermal compressor? An adiabatic compressor? A two-stage, adiabatic compressor with optimum interstage pressure and intercooling to
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When a person ice skates, the surface of the ice actuallymelts beneath the blades, so that he or she skates on a thinsheet of water between the blade and the ice.( a ) Find an expression for total friction force on the bottomof the blade as a function of skater velocity V , bladelength L , water thickness (between the blade and theice) h , water viscosity μ , and blade width W .( b ) Suppose an ice skater of total mass m is skatingalong at a constant speed of V 0 when she suddenlystands stiff with her skates pointed directly forward,allowing herself to coast to a stop. Neglecting frictiondue to air resistance, how far will she travelbefore she comes to a stop? (Remember, she iscoasting on two skate blades.) Give your answer forthe total distance traveled, x , as a function of V 0 , m ,L , h , μ , and W .( c ) Find x for the case where V 0 = 4.0 m/s, m = 100 kg,L = 30 cm, W = 5.0 mm, and h = 0.10 mm. Do youthink our assumption of negligible air resistance is agood one?

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