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CIS Certified Instrument Specialist VIP Practice Exam III

CIS — The CIS (Certified Instrument Specialist) credential is issued by ISA (International Society of Automation) and covers process measurement, instrumentation, control loops, final control elements, calibration, documentation, and safety — typically 100 questions in 3 hours with a 70% passing score.

57
Questions
180m
Time Limit
70.00%
To Pass
Question 1 of 57👑 VIP

A differential pressure transmitter installed on a steam flow orifice plate application reads consistently high at low flow rates and accurately at high flow rates. The most probable root cause of this error pattern is:

Questions 2–57 and full explanations are VIP-exclusive.