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What is the trace on an oscilloscope? Photo: An oscilloscope draws a trace (graph) of some quantity (plotted on the y-axis) that varies with time (plotted on the x-axis). One common pattern you’ll see is this smoothly undulating, snake-like up-and-down trace, which is called a sine wave or sinusoidal wave (green upper line). What is […]

How do you calculate the magnetic flux density? The magnetic field vector B is defined by the force it would apply to a charge moving in it. B = F/qv, so the units are (N *s) / (C *m), which we call a Tesla, or T. This is also called flux density. Flux is then […]

How do you find the reliability of a parallel system? For example, if two components are arranged in parallel, each with reliability R 1 = R 2 = 0.9, that is, F 1 = F 2 = 0.1, the resultant probability of failure is F = 0.1 × 0.1 = 0.01. The resultant reliability is […]

What is the Kelvin Planck statement of the second law? The Kelvin–Planck statement (or the Heat Engine Statement) of the second law of thermodynamics states that it is impossible to devise a cyclically operating heat engine, the effect of which is to absorb energy in the form of heat from a single thermal reservoir and […]

How do you create a weighted scoring model? How to create and use a weighted scoring model Step 1: List out your options. This is the easiest step in the process. Step 2: Brainstorm your criteria. Step 3: Assign weight values to your criteria. Step 4: Create your weighted scoring chart. What is a weighted […]

What is the primary duty of a machine tool operator? Machine Operator Responsibilities: Assist in the installation, maintenance, and repair of machinery. Operate tools in order to aid in the manufacturing process. Perform periodic checks on equipment and solve problems as detected. Work with others in order to ensure that equipment is in proper working […]