Surface waviness is the often widely spaced condition of surface texture, caused by several factors. Which of the following is not one of those factors?
A. machine chatter
B. warpage
C. heat treatment
D. work deflection
E. none of the above
Answer: E
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Regarding safety programs, which of the following elements is often ignored?
a. Evaluation and follow-up b. Worker involvement and participation c. Subcontractor management d. How it affects the indirect costs
Explain why “warm” light sources are preferred for residential lighting.
What will be an ideal response?
Which leak detectors can be used with systems that are only charged with nitrogen?
A) Heated diode electronic detectors B) Corona discharge electronic detectors C) Ultrasonic leak detectors D) Infrared detectors
A micron is the measurement equal to:
A. one-hundredth of a meter B. one-thousandth of a meter C. one-millionth of a meter D. one-billionth of a meter