An oil pump operating at steady state delivers oil at a rate of 10 Ib/s through a 1-in-diameter exit pipe. The oil, which can be modeledas incompressible, has a density of 85 Ib/ft and experiences a pressure rise from inlet to exit of 40 lIb;/in?. There is no significantelevation difference between inlet and exit, and the inlet kinetic energy is negligible. Heat transfer between the pump and itssurroundings is negligible, and there is no significant change in temperature as the oil passes through the pump.Determine the velocity of the oil at the exit of the pump, in ft/s, and the power required for the pump, in hp.

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Answered: An oil pump operating at steady state…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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Question #3: For the following data, a process takes place from State 1 to State 2. Find the properties h, v, u & s at both sides. The initial state is P₁ = 6.5bar Also determine the change in properties h, v, u & s Q# State 1 State 2 Process uh hs x 1 2 V₁ = 0.16m³/kg x=0.8 P₂ = 2.5bar T = 550°C Constant volume Constant pressure
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When a system undergoes a constant volume process (P. 5 bar), the change in internal internal is 5 ki and temperature during the process is 15°C. Then its change in entropy would be approximately 17.36 J/kgk Select one: O True O False
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3. A hydraulic lift is shown below. The combined mass of the piston, rack, and car is 4000 lbm. The working fluid is water. There is no heat transfer to or from the water, and the internal energy of the water per unit mass is constant. The water may be considered incompressible. (a) Taking all the water in the reservoir, line, and hydraulic cylinder as the system (i.e., taking the closed-system approach), calculate the work necessary to raise the rack and car 1 ft (neglect the change in potential energy of the water in the system). (b) Repeat part (a), taking all the water plus the car and the rack as the system. (c) Repeat part (a), taking an open-system approach; choose as your system the volume of the hydraulic cylinder, excluding the piston, rack, and car. If the absolute pressure in the system is 1000 lbf/in², calculate the volume that must flow in to raise the car 1 ft. Reservoir Pump Hydraulic cylinder
There is a piston-cylinder system that undergoes a process. The total work done by the system, W, is 50 kJ, and thechange in the specific internal energy of the system, Δu, is −7 kJ/kg. We also know the total mass of the system, m, is 10kg. During the process, both the change of kinetic energy and the change of potential energy are negligible. Pleasedetermine 1) the total energy change, ΔE, in kJ; 2) the total heat transfer, Q, in kJ; and 3) judge the direction of energyflow for the heat transfer: into the system or out of the system.
p46,#15 with illustration and explanation
An oil pump operating at steady state delivers oil at a rate of 10 lb/s through a 1-in.-diameter exit pipe. The oil, which can be modeled as incompressible, has a density of 70 lb/ft3 and experiences a pressure rise from inlet to exit of 40 lb/in². There is no significant elevation difference between inlet and exit, and the inlet kinetic energy is negligible. Heat transfer between the pump and its surroundings is negligible, and there is no significant change in temperature as the oil passes through the pump. Determine the velocity of the oil at the exit of the pump, in ft/s, and the power required for the pump, in hp. Determine the power required for the pump, in hp.
An oil pump operating at steady state delivers oil at a rate of 10 Ib/s through a 1-in.-diameter exit pipe. The oil, which can be modeled as incompressible, has a density of 100 lb/ft and experiences a pressure rise from inlet to exit of 40 Ibf/in?. There is no significant elevation difference between inlet and exit, and the inlet kinetic energy is negligible. Heat transfer between the pump and its surroundings is negligible, and there is no significant change in temperature as the oil passes through the pump. Determine the velocity of the oil at the exit of the pump, in ft/s, and the power required for the pump, in hp.
Steady-state flow exists in a pipe that undergoes a gradual expansion from a diameter of 6 in. to a diameter of 8 in. The density of the fluid in the pipe is constant at 60.8 lbm/ft³. If the flow velocity is 22.4 ft/sec in the 6 in. section, what is the flow velocity in the 8 in. section?
12

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