Category: Process Control and Instrumentation

A. Proportional controller
B. Proportional-derivative (PD) controller
C. Proportional-integral (PI) controller
D. Proportional integral-derivative (PID) controller

A. Gaseous mixture
B. Miscible liquids
C. Solids
D. Isotopes

A. < atmospheric
B. > 2 (gauge)
C. 10 (absolute)

A. 0°
B. 45°
C. 90°
D. 180°

A. 1/(1 + GH)
B. G/(1 + GH)
C. H/(1 + GH)
D. G/(1 – GH)

A. High drift
B. High fidelity
C. High measuring lag
D. Poor reproducibility

A. Teflon
B. Synthetic rubber
C. Bakelite
D. Thick paper

A. Polarograph
B. Chromatograph
C. Refractometer
D. None of these

A. 1/(s2 + 1)
B. s/(1 + s2)
C. 1/(s2 – 1)
D. s/(s2 – 1)

A. w = 1/√14, Kc = 45/7 √14
B. w = √(7/6), Kc = 46/3
C. w = 1, Kc = 13
D. w = √(7/8), Kc = 45/4