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Determine the steady-state response of the mass- spring-damper system of Figure 7.29(a) when the mass is subjected to the externally applied periodic force f (t) shown in Figure 7.29(b).
What frequency dominates the response, and why?
A Turbine develops 40,000KW power by running at a speed of 150 rpm at a head of 25 m. The discharge required is 150m^3/s. If the head of the turbine is reduced to 20 m. Predict the performance of turbine?
Design a spring-loaded gun to shoot a projectile to your worst enemy. The conceptual design of this gun is shown on the next page. It consists of a commercially available pipe (1), bottom cap (2) with an opening for the trigger pin, trigger pin (3..
water in a pistoncylinder arrangement b is connected to a 1 m3 tank a by a line and valve. initially at state 1 the
why does necking occur during a tensile test? use your knowledge of engineering stress and strain to explain the
1. (a) Write the possible oxidation and reduction half-reactions that occur when magnesium is immersed in each of the following solutions: (i) HCl, (ii) an HCl solution containing dissolved oxygen, (iii) an HCl solution containing dissolved oxygen..
this comes from the book fundamentals of engineering thermodynamics authors michael j. moran and howard n. shapiro 6th
you are to design an air compressor with an inlet pressure of 100 kpa an inlet temperature of 300 k and anexit pressure
the principal plane stresses and associated strains in a plane at a point are s1 36 ksi s2 16 ksi e1 1.0210-3 and e2
Calculate the torque required at input T and calculate the magnitude and direction of the torque required to hold the gearbox stationary (holding torque Th). Show the direction of the holding torque applied to the shaft with the aid of a sketch.
what is the maximal attainable speed of a bullet in m/s?
an electric motor powered blower is used to accelerate quiescent air 0 ms to a velocity of 10 ms at a volume flow rate
design 2-shell pass and 8-tube pass heat exchanger for heating ethyl alcohol from 25degc to 70degc at a rate of 2.9
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