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A spanner wrench is used to apply torque to circular shafts and other similar shapes. Such wrenches are routinely used in the setup of tools such as milling machines, lathes, and so on. The wrench makes contact with the shaft at point A, which may be assumed to be frictionless, and at B where a small pin fits into a hole in the shaft. If P = 80 N, L = 120 mm, r = 25 mm, and a = 120°, determine the reactions at points A and B.
Find the expected change in the natural frequency of the beam-machine system.
The capillary rise, h, of a liquid in a tube varies with tube diameter, d, gravity, g, fluid density, p, surface tension, Y, and the contact angle, B. (a) Find the dimensionless form of this statement. (b) If h = 3 [cm] in a given experiment, what wi..
A two-dimensional reducing bend as shown is used to control flow rate and direction of flow in a home air conditioning duct. In the reducing bend shown, there is a linear velocity profile at section (1). The flow is uniform at sections (2) and (3). T..
An elevator is hung by a steel rope. The rope has a cross-sectional area of 250mm2 and a modulus of elasticity of 70 GPa. the upward acceleration when the elevator starts is 4 m/s2. the rope is 100m long and the elevator weigh 1000 kg. determine the ..
Find the closest location d to the load at which you can move the generator so that the generator is best matched to the line (that is, the reflection coefficient at the generator is minimum). Assume the phase constant on the line is known as β0.
Suggest how an engineer responsible for drawing up a system requirements specification might keep track of the relationships between functional and non-functional requirements.
determine the stiffness and mass of the absorber. Also find the amplitude of vibration of the absorber mass.
Calculate the molar man of the mixture, and the density if the temperature is 550°C and the total pressure is 1 bar
In an elastic collision between an alpha particle and an unknown nucleus at rest, the alpha particle was deflected through a right angle and lost 40% of its energy. Identify the mystery nucleus.
the surface at which motion will impend
A 5-kg uniform square plate is supported by two identical 1.5-kg uniform slender rods AD and BE and is released from rest in the position θ = 45°. Knowing that the angular velocity of AD as it passes through the vertical position is 5.2 rad/s, det..
For spherical sand particles with Dp = 0.045 inches and the density of each particle is 145 lbm/ft3, estimate the minimum fluidizing velocity for air and for water. Assume a porosity of 32 percent. You may need to rederive Equation 11.41 considering ..
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