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What is the position of the end effector with respect to the base of the robot in the specified configuration?
Robots can be used in manufacturing and assembly operations where accurate, fast and versatile manipulation is required.
Under the same light intensity as in Figure 1, each individual cell in this module has an open-circuit voltage of 0.5 V and a short-circuit current of 1.2 A.
A horizontal platform rests on four vertical springs, each of stiffness 15kN/m and mass 0.25kg.
The rotational speed of an electric motor is 3540 RPM. Calculate the frequency of rotation in Hz.
List and explain the "4 Pillars" of SMS. Assess their value in creating a "proactive and predictive" safety program.
A smoke detector is routinely inspected. 80% of the detectors found inoperative had experienced a power surge.
Failure rate for item A is 0.002 failures/hr., item B is 0.0003 failures/hr. and item C is 0.001 failures/hr.
Consider a system of 6 pumps of which at least 4 must function properly for system success. Each pump has an 85% reliability for the mission duration.
Find the minimum number of redundant components, each having a reliability of 0.4, necessary to achieve a system reliability 0.95.
Assume a common-mode CFR of 0.00001 in addition to the components’ independent rates. Find the MTTF. Round your answer to the nearest integer.
If the probability of each basic event is 0.10, what is the approximate top event probability?
The following failure times are recorded: 2.3, 4.8, 8.1, 11.3, 17.3, 22.1, 31.3, 45.9, and 78.3. Do these times support a constant failure rate.
The stiffness, k, of a linear spring used for vibration damping is 120 lbf/inch. Calculate the resisting force on the spring for a deflection of 0.2 inch.
A stationary signal has the property that the statistical properties of the signal do not change with time.
The rotational speed of a pump shaft is 19.5 Hz. The frequency spectrum of accelerometers placed on inboard and outboard bearings.
Suppose three experts estimated the failure rate of a product as 10¯³ /year, 10¯³?5/year, and 10¯²?75 /year.
A water-filled manometer indicates a pressure differential of 2100 N/m2. What is the difference in elevation of the vertical limbs?
A wet steam at 20bar with a quality of 0.97 leaks through a defective steam trap and expands to a pressure of 1 atm.
We have a cooler filled with meats and cheeses. The inside Tin = 4.0 C. The cooler consists of 2.0 cm of Styrofoam (properties in Pitts & Sissom book).
Classify the heat exchangers according to the flow directions of fluid and give few examples of each in actual field of application.
Explanation of the meaning of the first and second laws of thermodynamics.
How do the two technical descriptions—the one on hybrid cars and the one on laser printers—apply the strategies given by either Markel or McMurrey?
Express the following numbers in Cartesian (rectangular) form.
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