CCST Domain 2 Exam Questions With 100% Correct Answers.

Using the ISA standard for symbols an XV designation on a P & ID represents: - a discrete valve The derivative control mode is: - phase leading Which type of control valve is packless? - diaphragm valve A cooling water control valve supplying cooling water to an air compressor should fail in which position? - fail open Which loop should be tuned first in a cascade loop? -the inner loop 4 to 20 mA signals travel at approximately what speed? - speed of light A proportional band of 50% is equal to a gain of? - 2 When performing a commissioning check prior to powering up a new panel in the United States, what color coding should the 120 VAC wiring have? - Hot Conductor - Black or red, Neutral - White or gray, Ground - Green What is a Gantt Chart? - a project schedule Which of the following statements regarding calibration of instruments is true? - The manufacturer's tolerance should never be exceeded Which 2 of the 3 control modes (PID) only function while the process is changing (ie. Not at steady state)? - Proportional, DerivativeOn/Off Control is best suited for which type of process? - large capacity system Which hazard area classification is designated by the statement " Hazardous atmosphere or dust cloud may be present continuously or a large percentage of the time"? - Zone 0, Zone 20 AS-i is an example of which type network hierarchy? - Bit-Level Sensor Bus Which (A/D) Analog to Digital converter will have the greatest accuracy? A. 16 Bit B. 8 Bit C. 12 Bit D. 14 Bit - 16 Bit What term is used to describe the efficiency of an AC Induction Motor? - power factor