Oil with a viscosity of 0,6×10-4 m2/s is delivered from a pump to a lubricated sliding surface through a tube with a diameter d 0,01m and a length l 6m. For what pressure difference will a volume flow rate of 50 cm^3/s be provided?
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Determine the flow rate QV of water using a Venturi nozzle with dimensions D 100mm, d 50mm inserted into a horizontal pipe through which water flows, if the pressure difference between the inlet to the nozzle and the throat is H = 50mm.
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At what velocity does water flow out of the depicted cylinder through the openings B and C if the force acting on the piston is F = 1500N? How far does the piston move within a minute if the cross-sectional area of each opening is A = 3mm2? Assume a contraction coefficient of ß 0.8.
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Find the flow velocity, u of water in the pipe if the difference in total pressure head, measured by a Pitot tube, and static pressure head is H = 500mmH20.
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A hydraulic cylinder with a piston diameter of D = 80 mm and a piston stroke of s = 500 mm is completely filled with oil. How much will the displacement of the piston be if an external force of F = 30 kN acts on the piston rod? The compressibility coefficient of oil is 56×10¯5mm2/N.
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The tube for measuring acceleration (accelerometer) has been placed on the vehicle. What is the instantaneous acceleration of the vehicle if the levels of the liquid menisci are as shown in the diagram? What is the maximum acceleration that can be measured by this device without losing liquid?
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Water was poured into a vessel in the shape of an inverted cone with a height H = 1m up to half of its capacity. Calculate the hydrostatic pressure at the lowest point inside the vessel.
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A non-deformable pressure vessel of V1 = O,10m3 volume filled completely with methyl alcohol was heated from temperature T1 = 273K to temperature T2 = 323K. Calculate the pressure increase in the vessel.
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A spherical pressure vessel with a diameter d1 = 1 m was completely filled with methyl alcohol at a 288 K. Calculate the volume of alcohol with which to fill the tank additionally so that the relative pressure in the tank increases to 10 MPa.
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A prismatic steel bar of 75 mm x 75 mm square cross section is subjected to a tensile load P = 600 KN (see figure). Determine the normal and shear stresses on all faces of an element rotated through an angle 45 degree.
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