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1. For the circuit shown below, for the extension strokes of the cylinders what pump pressure...
help me with 2 related questions 3. Shown is the hydraulic circuit of a load-lifting hydraulic...
help me with 2 related questions
3. Shown is the hydraulic circuit of a load-lifting hydraulic system. The lowering speed is controlled by means of a throttle-check valve. Discuss the construction and operation of this system. Redraw the hydraulic circuit in the load-lowering mode, then calculate the pressure in the cylinder rod side, P the inlet flow rate, Qu outlet flow rate, Q pump flow rateé, Q pump output power, N, and the area of the throttle valve, A, Neglect...
A hand pump is being used to inflate a bicycle tire that has a gauge pressure...
A hand pump is being used to inflate a bicycle tire that has a gauge pressure of 58.0 lb/in2. If the pump is a cylinder of length 15.2 in. with a cross-sectional area of 3.00 in.2, how far down must the piston be pushed before air will flow into the tire? Assume the temperature is constant. ____inches
2 Three identical cylinders are sealed with identical pistons that are free to slide up and...
2 Three identical cylinders are sealed with identical pistons that are free to slide up and down the cylinder without friction. Each cylinder contains an ideal gas, and the gas occupies the same volume in each case, but the temperatures differ. As shown in the figure, each cylinder is inverted so the piston is below the gas, and the bottom of each piston is exposed to the atmosphere. T-0°C T-50 °C T-100 oC In cylinders 1, 2, and 3 the...
A hand pump is being used to inflate a bicycle tire that has a gauge pressure...
A hand pump is being used to inflate a bicycle tire that has a gauge pressure of 59.0 lb/in2. If the pump is a cylinder of length 16.0 in. with a cross-sectional area of 3.00 in.2, how far down must the piston be pushed before air will flow into the tire? Assume the temperature is constant. Answer must be in inches
7. An operator makes one complete cycle per second interval using the hand pump of the...
7. An operator makes one complete cycle per second interval using the hand pump of the figure. Each complete cycle consists of two pump strokes(intake and power). The pump has a l.3-n diameter piston and the load cylinder has a 4-in.-diameter piston. If the average hand force is 30 lb during the power stroke, SG-0.9 a) How much load can be lifted? b) How many cycles are require to lift the load 15 in. assuming no oil leakage? The pump...
33. Two pistons push down on the fluid filling two cylinders connected by a narrow hose,...
33. Two pistons push down on the fluid filling two cylinders connected by a narrow hose, as shown in the figure. The area A, is 1 square inch, and the area A. is 10 square inches. A force of 4 pounds is exerted downward on piston 1, as shown. (12 pts) 4 lb ! a) What is the pressure on A, (in psi)? b) What is the pressure on A. (in psi)? c) What is the force F, (in pounds)...
Problem2 The medical table shown below is to be operated by two double acting cylinders (A and B)...
Problem2 The medical table shown below is to be operated by two double acting cylinders (A and B) and two telescopic cylinders (Cand D ). Cylinder D moves the bed of table horizontally back and forth. The cylinders A and Coperate in reverse direction (when cylinder A is upstroke cylinder B is down stroke and vice versa) The cylinders B and D should operate independently of each other and independently of cylinders A and C. 7 Marks 1- Draw the...
4. A hand pump is being used to inflate a bicycle tire that has a gauge...
4. A hand pump is being used to inflate a bicycle tire that has a gauge pressure of 62.0 lb/in2. If the pump is a cylinder of length 19.7 in. with a cross-sectional area of 3.00 in.2, how far down must the piston be pushed before air will flow into the tire? Assume the temperature is constant. (answer is in inches) 5. A flight attendant wants to change the temperature of the air in the cabin from 18.0°C to 24.1°C...
1. When the directional control valve in the system below returns to its centre position, the...
1. When the directional control valve in the system below returns to its centre position, the cylinder rod moves in a given direction. Is this direction extension or retraction? During this movement determine the force and velocity. The piston and rod diameters are 3-in and 1-in respectively. The pump flow rate is 2-gpm and the system pressure is 1000psi. REIXA
help me with 2 related questions
3. Shown is the hydraulic circuit of a load-lifting hydraulic system. The lowering speed is controlled by means of a throttle-check valve. Discuss the construction and operation of this system. Redraw the hydraulic circuit in the load-lowering mode, then calculate the pressure in the cylinder rod side, P the inlet flow rate, Qu outlet flow rate, Q pump flow rateé, Q pump output power, N, and the area of the throttle valve, A, Neglect...
2 Three identical cylinders are sealed with identical pistons that are free to slide up and down the cylinder without friction. Each cylinder contains an ideal gas, and the gas occupies the same volume in each case, but the temperatures differ. As shown in the figure, each cylinder is inverted so the piston is below the gas, and the bottom of each piston is exposed to the atmosphere. T-0°C T-50 °C T-100 oC In cylinders 1, 2, and 3 the...
7. An operator makes one complete cycle per second interval using the hand pump of the figure. Each complete cycle consists of two pump strokes(intake and power). The pump has a l.3-n diameter piston and the load cylinder has a 4-in.-diameter piston. If the average hand force is 30 lb during the power stroke, SG-0.9 a) How much load can be lifted? b) How many cycles are require to lift the load 15 in. assuming no oil leakage? The pump...
33. Two pistons push down on the fluid filling two cylinders connected by a narrow hose, as shown in the figure. The area A, is 1 square inch, and the area A. is 10 square inches. A force of 4 pounds is exerted downward on piston 1, as shown. (12 pts) 4 lb ! a) What is the pressure on A, (in psi)? b) What is the pressure on A. (in psi)? c) What is the force F, (in pounds)...
Problem2 The medical table shown below is to be operated by two double acting cylinders (A and B) and two telescopic cylinders (Cand D ). Cylinder D moves the bed of table horizontally back and forth. The cylinders A and Coperate in reverse direction (when cylinder A is upstroke cylinder B is down stroke and vice versa) The cylinders B and D should operate independently of each other and independently of cylinders A and C. 7 Marks 1- Draw the...
1. When the directional control valve in the system below returns to its centre position, the cylinder rod moves in a given direction. Is this direction extension or retraction? During this movement determine the force and velocity. The piston and rod diameters are 3-in and 1-in respectively. The pump flow rate is 2-gpm and the system pressure is 1000psi. REIXA
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