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An exhaust fan, having a small unbalance, weights 800 N and operates at a speed of 600 rpm. It is desired to limit the response to a transmissibility of 2.5 as the fan passes through resonance during start-up. In addition, an isolation of 90 percent is to be achieved at the operating speed of the fan. Design a suitable isolator for the fan.
the tank is being filled with water by two one-dimensional inlets.nbspthe water height is h. a find an expression for
Air at 127°C flows over the plate with a heat transfer convection coefficient of 15 W/m2 · K. Determine the emissivity, absorptivity, and radiosity of the plate. What is the net heat transfer rate per unit area?
A container filled with 73 kg of liquid water at 99ºC is placed in a 60-m3 room that is initially at 12ºC and 1 atm. Thermal equilibrium is established after a while as a result of heat transfer between the water and the air in the room. Using consta..
Determine the time required by a diesel-electric locomotive, which produces a constant drawbar pull of 60,000 lb, to increase the speed of an 1800 ton freight train from 20 mi/hr to 30 mi/hr up to 1-percent grade. Train resistance is 10 lb per ton.
a hydraulic press is powered by a remote high-pressure pump. the gage pressure at the pump outlet is 22 mpa whereas the
steam in a piston cylinder assembly undergoes a polytropic process with n2 from an initial state of p500 psi v11.7
Consider the first order system: y_dot + y = u where y is the output and u is the input, Plot the frequency response curves in Matlab using the analytic functions for the amplitude ratio and phase as a function of w. Plot the frequency response curve..
An ideal vapor-compression refrigeration cycle operates at steady state with Refrigerant 134a as the working fluid. Saturated vapor enters the compressor at 2 bar, and saturated liquid exits the condenser at 8 bar. The mass flow rate of refrigeran..
a stone is dropped into a lake causing circular waves whos radii increase at a contant rate of .5 m/s at what rate is the circumference of a wave changing when its radius is 4 meters?
a train made up of 3 cars of weight 60000 lb each connected by coupling springs of stiffness 15000 lbin. is released by
the position of a particle along a straight line is given by s1.5t3 - 13.5t2 22.5t ft where t is in seconds. determine
Explain which agencies would be involved in the consultation exercises for this project and at what stage(s) they would be involved - ?Discuss the type of prediction methods that could be used for this parameter
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