Nccer review exam Questions and Answers 100% Pass

What instrument drawing shows an actual representation of a process operating sequence? - P&ID Old packing should be replaced with new packing is: - In kind For most tube bender radius blocks, a 90 degree bend gains approximately _____? - 1 1/2 tube diameter Where are rubber gaskets used? - In a low pressure/ low temperature systems The process parameter that is selected for control is called the : - Controlled variable What is the purpose of the P&ID? - Shows instrument location as it's related to the process When replacing a control valve "in kind", what is the least important? - Location of signal ports Smart instrument transmitters require which of the following for calibration and configuration? - Communicator What is the purpose of an I/P in a control loop? - Converts the controllers electrical signal to a control pressureHow many inches of WC are 3 psig? - 83.04" wc In controller, automatic control describes: - The final control element responding to the error signal or change in process What is the circuit current if 454 VDC is applied to a 250 ohm load? - 1.8 amp An orifice plate causes a pressure drop which can be measured calculate: - Flow Cable shields should be connected to the: - Ground at each accessible location Cleaning of piping and tubing is generally required after all of the following EXCEPT: - Modification A valve has linear flow characteristics when the: - Flow corresponds directly to the valve stem position Workers should always assume that all electrical equipment and lines are_____. - Energized until proven The positive wire color on a type k extension wire is: - Yellow