At what angle is the glass plate reflector set in an N.P.L. interferometer?
What is the standard magnification used by an optical projector to inspect the form of profile gauges?
What is used to compute the absolute length when slip gauges are calibrated by an interferometer?
Which of the following is a contact type of automated inspection method?
To test the straightness of an object, which of the following methods is used?
Calculate the value of resistance for a 10 W low-pass filter if the cutoff frequency is 20 krad/s and C = 0.01 μF.
Consider a shaft with a designed diameter of 50 mm. A bilateral tolerance of ± 0.01 mm is provided. What is the basic size of the shaft?
How is interference calculated between a shaft and a hole?
If effective diameter of a threaded part is to be measured without considering the thread angle, which of the following methods gives the most accurate result?
Which of the following statements about sampling inspection is true?