Discuss the four (4) main purpose of Working Environment Measurement (WEM)
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Q: Standards of quality is the part of total quality assurance system
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A:
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A:
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Q: snip
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Discuss the four (4) main purpose of Working Environment Measurement (WEM)
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- A) As the head of the Accelerometer Design Division (ADD), based on the following figures, advise your team on the production an accelerometer to reduce or eliminate distortions in the readouts. Magnitude ratio M(Go) 2.0 1.5 1.0 0.8 0.6 0.4 0.2 0.1 0.05 I 0.1 = 10.0 I 0.20 5.0 0.5 w/wn 2.0 H 1.0 {=0 0.3 0.4 0.5 0.707 1.0 2.0 3.0 +6 +3 0 -3 do d Decibels (dB) -10 -15 Resonance band Transmission band Filter band Phase shift [°] +(6) 0 -20 -40H -60 -80 -100- -120- -140 -160 -180 0.05 0.10 10.0 0.20 0.50 (=0 1.0 10.0 5.0 2.0 1.0 0.7 0.5 0.4 = 0.3 I 2.05 Explain the process of load forecasting based on "Curve Fitting" approach.From the following identify the true statement relating to the term Predictive maintenance The maintenance on machines not to determine the actual time to failure and cannot improve the quality of the product. The maintenance on machines to determine the actual time to failure and can improve the quality of the product. The maintenance on machines not to determine the actual time to failure and can improve the quality of the product. The maintenance on machines to determine the actual time to failure and cannot improve the quality of the product.
- Basic Manufacturing Process with 2 Job Types + Inspection Time between job arrivals at a machining station is exponentially distributed with mean 4.4 minutes. There are 2 types of jobs to be processed 30% of which is Type 1 and, 70% are of Type 2. Processing times are exponentially distributed. Mean processing time for Type 1 is 4.8 minutes, for Type 2 it is 2.5 minutes. After the job is processed, they go through an inspection process with one single inspector and an inspection time with triangular distribution (1,2,3.5). Inspector decides whether the part is good enough, scrap or should be reworked. 80% of the parts produced is good, 10 % is scrap and the rest needs rework. Rework is done by the same manufacturing machine. The priority among the parts will be Part1 first, part2 second and reworks of both type comes later. Rework time is normally distributed with mean 2 minutes and 0,2 std dev. Simulate the system for one 8-hour day.Identify the measurement system stages for the following systems (refer back to Figure 1.5 and useother resources, such as a library or Internet search, as needed to learn more about each system):a. Room thermostatb. Automobile speedometerc. Portable CD stereo systemd. Antilock braking system (automobile)e. Automobile cruise controlf. Throttle position sensor for a Formula One race carS 3: Light gates may be used to measure the speed of projectiles, such as arrows shot from a bow. English longbows made of yew in the 1400s achieved launch speeds of 60 m/s. Determine the relationship between light gates and the accuracy required for sensing the times when the light gate senses the presence of the arrow.
- There are many types of FMEA related to systems, process, design, top-down, Bottom-up. The two main types are Design FMEA and Bottom-up FMEA. True FalseQ:01 Define manufacturing processes. Why we study manufacturing processes in the field of mechanical engineering?Q.1 a. Repeatability and reproducibility are ways of measuring precision, particularly in the field of engineering. i. What is an engineer's expectation when performing repeatability or reproducibility? ii. State a difference between repeatability and reproducibility in an experiment? b. Figure Q.1 shows the measurement data of two types of thermal transducers namely thermocouple. Турe E Туре К 6.8 4.2 20 40 60 80 100 Temperature Difference (°C) Voltage Output (mV)