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The floor of an airplane cargo bay is shown in a horizontal position.
(a) Determine an equivalent force system at point O.
(b) Determine an equivalent force system consisting of a single force, and specify the x and z coordinates of the point where the force's line of action intersects the floor.
(c) Keeping points A-D at the locations shown, suggest a repositioning of the forces so that the location of the force system described in Part (b) is closer to point O.
A liquid is draining from a cylindrical vessel through a tube in the bottom of the vessel. If the liquid has a specific gravity of .85 and drains out at a rate of 1 cm^3/s , what is the viscosity of the liquid?
a cold-storage room is maintained at -18degc. the internal dimensions of the room are 5 m x 5 m x 3 m high. each wall
Capacitors C1=12micro Farad and C2=28microFarad are each charged to 15V , then disconnected from the battery without changing the charge on the capacitor plates. The two capacitors are then connected in parallel, with the positive plate of C1 connect..
(a) Propose a feedback control method and sketch the schematic diagram. (b) Suggest a feedforward control method and sketch the schematic diagram.
The bottom of a chair (where you sit, the ‘seat’) will be injection molded by itself in a mold. Assume the chair is a disk, 24 inches in diameter and 1/10 inch thick. If the injection pressure is 1600 psi, what is the minimum clamp tonnage you need f..
Determine the thermal efficiency for the case of one feedwater heater operating at 2.0 MPa. 2. Plot the influence of the feedwater heater pressure in terms of rise of feedwater enthalpy / maximum rise of feedwater enthalpy
bob is asked to design a system for heating process water in a chemical plant. the system is to heat 500 gallons of
consider a pump that moves q0.1 m3s of oil s.g. 0.8 from an open reservoir through a 10 cm diameter pipe. the pump
The combustion gases can be modeled as air behaving as an ideal gas. There is no significant heat transfer from the boiler to its surroundings. Assuming steady state and neglecting the effects of motion and gravity, determine
Frame Dependent and Frame Independent A vector function of scalar variables is a frame-dependent quantity. Is a vector function of vector variables frame dependent? What about a scalar function of vector variables?
The pressure causes tangential and axial stresses in the outer surface of 30,000 and 20,000 psi, respectively. Determine the maximum shear stress at the outer surface.
Initially the particle is released from rest at a point on the table whose distance from O is 3a. Find the period of the resulting oscillations.
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