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A positioning table uses a backlash-free high precision lead screw of lead 2 cm/rev, which is driven by a servo motor with a built-in optical encoder for feedback control. If the required positioning accuracy is ±10 mm determine the number of windows required in the encoder track. Also, what is the minimum bit size required for the digital data register/buffer of the encoder count?
Simple pendulum. A pendulum is constructed from a light string of length L = 100 cm and a heavy mass M = 1 X 103 g. What is the period of the pendulum for small displacements?
Also find the value of the maximum amplitude.
Electric field of the electron. The structure of the electron is not defined (that is, its dimensions cannot be identified with certainty). Its charge, however, is considered to be a point charge. Suppose the electron is a point charge equal t..
A rigid tank contains 10 kg of air at 345 kPa and 27 Celsius. The air is now heated until its pressure doubles. What is the volume of the tank? What is the amount of heat transfer?
the inside temperature of a furnace is 1300oc and outside wall temperature is 40oc. the furnace wall is made up of 23
calculate the exergies of two closed systems respectively 1 kg of steam at 800 kpa and 180 degc and 1 kg of r-134a at
An isolated system consists of a closed copper vessel of mass 0.1 kg, containing 1 kg of liquid water, each initially at 5°C, immersed in 20 kg of liquid water, initially at 20°C. The system is allowed to come to equilibrium. Determine the final temp..
cells need to be close to a blood vessel to obtain sufficient oxygen. model the tissue surrounding a blood vessel as a
One kmol of CO2 in a piston-cylinder assembly, initially at temperature T and 1 atm, is heated at constant pressure until a final state is attained consisting of an equilibrium mixture of CO2, CO, and O2 in which the amount of CO2 present is 0.422..
a 15-tooth pinion having a pressure angle of 25ordm and module of 8mm is to drive an 18-tooth gear. determine for both
Calculate the period of the resulting beat - An airplane wing modeled as a spring-mass system with natural frequency 40 Hz is driven harmonically by the rotation of its engines at 39.9 Hz.
The AIGA provides a number of standard graphics for signs in the US(www.aiga.org/symbol-signs). Download and print the male and female symbols. Find their centroids and moments of inertia with units of percentage of height and width, not in.or mm.
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