7.4 - Hydraulic and Pneumatic Systems

Suppose that you have designed a portable compressed-air supply system, as shown in the figure below,for filling scuba tanks and for driving pneumatics tools in garages and factories.The system consists of an electric motor, an air compressor, an air tank, a regulator and a pressure-reliefsafety valve.The regulator contains a pressure sensor connected to a power switch. The motor is switched on whenthe tank pressure drops bellow a fixed value and off at a slightly higher pressure. The pressure-reliefvalve is set to open at a higher pressure than the regulator motor off-pressure.Explosion of the tank is clearly a dangerous hazard. Three events are assumed to possibly lead to a tankexplosion:1. an internal tank defect such as poor welding2. an external cause such as a plant vehicle colliding with the tank3. Excess pressure in the tank. The excess pressure can occur only if both the control unit and thepressure-relief valve fail:The pressure sensor might fail to shut oof the motor because…

Pressurized eyes Our eyes need a certain amount of internal pressure in order to work properly, with the normal range being between 10 and 20 mm of mercury. The pressure is determined by a balance between the fluid entering and leaving the eye. If the pressure is above the normal level, damage may occur to the optic nerve where it leaves the eye, leading to a loss of the visual field termed glaucoma. Measurement of the pressure within the eye can be done by several different noninvasive types of instruments, all of which measure the slight deformation of the eyeball when a force is put on it. Some methods use a physical probe that makes contact with the front of the eye, applies a known force, and measures the deformation. One non-contact method uses a calibrated “puff” of air that is blown against the eye. The stagnation pressure resulting from the air blowing against the eyeball causes a slight deformation, the magnitude of which is correlated with the pressure within the eyeball.…

Handwritten solution required. Strictly don't use chatgpt. If you use chatgpt ,I will report the answer for sure. Mechanical engineering dynamics.

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How will you differentiate the three flight control systems used in large aircraft? (Mechanical, Hydromechanical, and Fly-by-wire)

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PMM2 means that a machine follows 2nd law of thermodynamics Select one: O True O False

Q3: Choose the correct answer for five only (True or False) 1- Dynamics is concerned with bodies that only have accelerated motion. 2- A particle has a mass but negligible size and shape. 3- The average velocity of a particle is different than its average speed. 4- If the acceleration is zero, the particle cannot move. 5- Kinematics is concerned with the forces that cause the motion. 6- A particle can have an acceleration and although it has zero velocity.

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4 Control technologies which are commonly used in aircraft include: (A) cables, ailerons, flaps, rudder. (B) digital systems, wind gauge, altimeter, pitot tube. (C) radar, wireless technology, digital systems, hydraulics. (D) fly by wire, solenoid controls, hydraulic, digital systems. (THU) compon suporligil

Energy Star Washing Machine Model #: GTW500ASN Style: Top Loader Cubic Feet: 4.5 cubic feet Yearly Energy Usage (from Energy Guide): 210 kWh/y Non-Energy Star Washing Machine Model #: GTW465ASN Style: Top Loader Cubic Feet: 4.5 cubic feet Yearly Energy Usage (from Energy Guide): 175 kWh/yr Picture of Appliance: Website Link to Retail Store Purchase Price: (1) $498.00 Yearly Energy Use (in kWh): 175 kWh/yr Energy Cost per Year (Energy usage in kWh from above x .1111 cents/kWh): (3) Cost Recuperation Estimation 1 Picture of Appliance: Website Link to Retail Store Purchase Price: (2) $478.00 Yearly Energy Use (in kWh): 210 kWh/yr Energy Cost per Year (Energy usage in kWh from above x.1111 cents/kWh): (4) Initial Cost Difference: Energy Star Appliance Price (1) - Non-Energy Star Appliance Price (2) Calculation (Show Your Work): This is the original upfront price difference. In other words, how much more money the Energy-Star Appliance costs. 2. Cost Per Year Difference: Non-Energy Star…

Pulley C Spring Scale Figure 3 (d) A long cord of negligible mass is wrapped around a third pulley, Pulley C, and attached to a spring scale, as shown in Figure 3. The spring scale is pulled downward so that it exerts a constant force of magnitude Fs on the cord. As the spring scale moves down a significant distance, the vertical portion of the cord moves closer and closer to the center of the pulley. Predict how the net torque exerted on the pulley and the rotational kinetic energy of the pulley will be changing, if at all, as the spring scale moves downward and the vertical portion moves closer to the center of the pulley. Net torque: Increasing Decreasing Not changing Rotational kinetic energy: , Increasing Decreasing Not changing Briefly provide reasoning for your predictions. I x? X2 Ω !!