What is the least likely cause for a previously working DCS to develop a fault?
A) A controller software fault B) An I/O module failure
C) A field device failure D) A cabling problem
A
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The purpose of surveying is to identify locations and measure what values?
What will be an ideal response?
A ____ is the length to which each pulpwood log is cut
A) run B) log C) bolt D) stick
What is one time constant in an integrating circuit if a 47 k? resistor is in series with a 0.01 ?F capacitor?
A) 0.047 ms B) 0.47 s C) 0.47 ms D) 0.047 ?s
?Which is the most accurate approach to heat metering?
A. ?determining the heat load and periodically adjusting the reset ratio B. ?setting the on/off differential to a relatively large value C. ?measuring instantaneous values of flow rate, temperature, and fluid properties and integrating them D. ?estimating flow rate while measuring temperature to allow a quick response to temperature changes