Check for broken wires, joints in cables, broken pin. Check the insulation quality of the device. Check IP ratings if any. Use it for only the intended purpose and environment.
This depends on the IC. Visual inspection will only go so far. You will need to test it and compare the testing to the datasheet; if it is not testing as specified in the datasheet, then it is bad. Sorry, there's no one easy answer for all IC's.
Look up sine wave on Google to see a picture.
A scope is nothing else then a display instrument it will amplify and display a signal on a CRT for visual analysis
Alva noto is a pseudonym used by the music producer and artist Nicolai Carsten. He is based in Berlin and is a visual artist and an electronic musician.
LED or light-emitting diode refers to a semiconductor material that emits light when electricity passes through it. It is used for visual signals, illumination and data communication.
A laparoscope is an instrument for visual inspection inside the abdomen.
It means you look at them.
Rhinoscope
the definition of visual inspection is to over see that all procedure as being follow to the recommending specification that require with is cods. corrects currents are use preparation of material right temperature
A scstter plot
By magnet and visual inspection
Perpetual system
Monthly
Visual inspection. It's usually pretty obvious.
You can do a visual inspection and see if there's any leakage or not.
Perpetual system Perpetual system
Arthroscope is an instrument for the visual inspection of the interior of a joint.