Course name: fluid mechanicsCourse code: CHE-311Division: Petroleum EngineeringMinistry of Higher Education and Scientific ResearchSabratha UniversitFaculty of Engineering Sabratha-Department of PetroleumEngineering01/a) Water leaves the 25 mm diameter nozzle of a fire hose at a velocity of 25 m/s. Whatwill be the reaction force at the nozzle which the fireman will need to counterbalance?wat 1000 Kg/m'.هائي أمر ولاA closed tank contains 0.7 m of mercury, 2 m of water. 2.8 m of oil of sp.gr-0.8 and airspace a bove the oil. If the pressure at the bottom of the tank is 3.21 bar gauge. What shouldbe the reading of mechanical gauge at the top of the tank?, P mercurs 13600 Kg/m³, pwater1000 Kg/m.Exam: Final ExamDuration: 165 minSemester: autumn (2022)024) Water flows from a tap at a pressure of 250 kN/m² above atmospheric. What is thevelocity of the jet if frictional effects are neglected?buid dynamic and flow in pipe, Calculate the fraction factor and head loss? Viscosity ofwater at 20 °C -0.001002 Kg/m.s, L=100 m, V=2 m/s, D= 50.08 mm, roughness yalue(cost iron) = 0.15 mm, pwater 1000 Kg/m".03/ The velocity distribution for laminar flow between parallel plates is given by:u/max=1-(2y/h)²Where h is the distance separating the plates and the origin is placed midway between aflow of water at 15 °C, with um 0.3 m/s, h=0.5 mm and Viscosity (u) = 1.14 * 10 Kg/m.s.Calculate the shear stress on the upper plate give its direction? y = 0.25mm.M=Q.P9A) 98% H₂SO, is pumped at 1.25 Kg/s through a 25 mm inside diameter pipe 30 m long to areservoir 12 m higher than the feed point. Calculate the pressure drop in the pipeline. Takethat p=1840 Kg/m³, u= 25 mPa.s, roughness value (e) = 0.05 mm.c) From figure find (P₂) KPa?= TT01925)= 0.49x₁³m4دارd1=3 cm1.25 P₁=170 Ka1840Waterm=0.667kg/sGood luck47.83Imd3=5cmP3 = 10 kPaP₁₂ = ?√2=0.3 m/sPsi3.25

Name: Course name: fluid mechanicsCourse code: CHE-311Division: Petroleum E
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Description: Course name: fluid mechanicsCourse code: CHE-311Division: Petroleum EngineeringMinistry of Higher Education and Scientific ResearchSabratha UniversitFaculty of Engineering Sabratha-Department of PetroleumEngineering01/a) Water leaves the 25 mm diame

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21/a) Water leaves the 25 mm diameter nozzle of a fire hose at a velocity of 25 m/s. What will be the reaction force at the nozzle which the fireman will need to counterbalance? 1000 kg/m². A closed tank contains 0.7 m of mercury,2 m of water, 2.8 m of oil of sp.gr -0.8 and air space a bove the oil. If the pressure at the bottom of the tank is 3.21 bar gauge. What should be the reading of mechanical gauge at the top of the tank?, P mercury -13600 Kg/m',p water 1000 Kg/m'. rie What is the

21/a) Water leaves the 25 mm diameter nozzle of a fire hose at a velocity of 25 m/s. What will be the reaction force at the nozzle which the fireman will need to counterbalance? 1000 kg/m². A closed tank contains 0.7 m of mercury,2 m of water, 2.8 m of oil of sp.gr -0.8 and air space a bove the oil. If the pressure at the bottom of the tank is 3.21 bar gauge. What should be the reading of mechanical gauge at the top of the tank?, P mercury -13600 Kg/m',p water 1000 Kg/m'. rie What is the

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Course name: fluid mechanics
Course code: CHE-311
Division: Petroleum Engineering
Ministry of Higher Education and Scientific Research
Sabratha Universit
Faculty of Engineering Sabratha-Department of Petroleum
Engineering
01/a) Water leaves the 25 mm diameter nozzle of a fire hose at a velocity of 25 m/s. What
will be the reaction force at the nozzle which the fireman will need to counterbalance?
wat 1000 Kg/m'.
هائي أمر ولا
A closed tank contains 0.7 m of mercury, 2 m of water. 2.8 m of oil of sp.gr-0.8 and air
space a bove the oil. If the pressure at the bottom of the tank is 3.21 bar gauge. What should
be the reading of mechanical gauge at the top of the tank?, P mercurs 13600 Kg/m³, pwater
1000 Kg/m.
Exam: Final Exam
Duration: 165 min
Semester: autumn (2022)
024) Water flows from a tap at a pressure of 250 kN/m² above atmospheric. What is the
velocity of the jet if frictional effects are neglected?
buid dynamic and flow in pipe, Calculate the fraction factor and head loss? Viscosity of
water at 20 °C -0.001002 Kg/m.s, L=100 m, V=2 m/s, D= 50.08 mm, roughness yalue
(cost iron) = 0.15 mm, pwater 1000 Kg/m".
03/ The velocity distribution for laminar flow between parallel plates is given by:
u/max=1-(2y/h)²
Where h is the distance separating the plates and the origin is placed midway between a
flow of water at 15 °C, with um 0.3 m/s, h=0.5 mm and Viscosity (u) = 1.14 * 10 Kg/m.s.
Calculate the shear stress on the upper plate give its direction? y = 0.25mm.
M=Q.P
9
A) 98% H₂SO, is pumped at 1.25 Kg/s through a 25 mm inside diameter pipe 30 m long to a
reservoir 12 m higher than the feed point. Calculate the pressure drop in the pipeline. Take
that p=1840 Kg/m³, u= 25 mPa.s, roughness value (e) = 0.05 mm.
c) From figure find (P₂) KPa?
= TT01925)
= 0.49x₁³m
4
دار
d1=3 cm
1.25 P₁=170 Ka
1840
Water
m=0.667kg/s
Good luck
47.83
Im
d3=5cm
P3 = 10 kPa
P₁₂ = ?
√2=0.3 m/s
Psi
3.25

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