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4 A column has the dimensions shown in Figure 4. 80 mm dia...

4 A column has the dimensions shown in Figure 4. 80 mm dia. 60 mm dia. Both Column ends fixed length l F Figure 4 Column Material Properties Young's Modulus, Yield stress, Fy = 140 MN m=² (a) What is the minimum length of the column at which buckling is likely to occur? (b) If...

Page2 : Question 3 - Complete the table and use equation of ...

Page2 : Question 3 - Complete the table and use equation of (x and v) 3. Calculate the centroid (x & y value )when the square density are indicated in the figure Take A as your reference . All measurements are in millimetres 6 4 times 6 3 4 4 times 6 1 2 6

1. The machine is subject to a harmonic force at a frequency...

1. The machine is subject to a harmonic force at a frequency of 40 rad/sec. The steady-state amplitude is measured as 3.2 mm. (a) What is the magnitude of the excitation force (b) What is the phase angle between the excitation and the response? Fo sin wt 60 kg w=40 rad/sec k=1.5x105 N N.s c=...

1. The machine is subject to a harmonic force at a frequency...

1. The machine is subject to a harmonic force at a frequency of 40 rad/sec. The steady-state amplitude is measured as 3.2 mm. (a) What is the magnitude of the excitation force (b) What is the phase angle between the excitation and the response? Fo sin wt 60 kg w=40 rad/sec k=1.5x105 N c=1200 ...

Answer all questions. Each question is worth 25 points. (a)...

Answer all questions. Each question is worth 25 points. (a) The amplitudes of displacement on successive cycles of motion for a system with Coulomb faming forms what type of sequence? (b) A mass-spring system slides on a surface where the coefficient of friction is 0.15. The system vibrates wit...

2. A 125 kg mass is attached to the end of fixed- free beam ...

2. A 125 kg mass is attached to the end of fixed- free beam of length 2.5 m as shown A spring and viscous damper are attached to the end of the beam. (a) (15 points) What is the damping coefficient of the viscous damper such that the system's logarithmic decrement is 2.1? Call this value of the d...

1- a) Knock in spark-ignition engines is an abnormal combu...

1- a) Knock in spark-ignition engines is an abnormal combustion condition. Almost everyone who rides a motorcycle or drives a car experiences this phenomenon at some time and usually changing into a lower gear will take the engine away from this condition. Explain changing the vehicle to a lower g...

The 2-foot long, 6-inch diameter, 0.125-inch wall thickness ...

The 2-foot long, 6-inch diameter, 0.125-inch wall thickness cylindrical pressure vessel being pulled from the wall with a rope sling of negligible thickness wrapped about the tank at mid- length. The internal pressure is 20 psi and the rope is subject to a load P of 2600 pounds in the direction d...

4-37 Consider the following steady. incompressible, two- di...

4-37 Consider the following steady. incompressible, two- dimensional velocity field: + 0.656xi + -1.22-0.656y)] - Generate an analytical expression for the flow streamlines and draw several streamlines in the upper-right quadrant from r = Oto: 5 and y = 0to6,

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