A. Load
B. Manipulated
C. Controlled
D. None of these
A. Hydrometer
B. Contact-type electric indicators
C. Displacement meter
D. Both A. and C.
Continuous measurement of specific gravity of a liquid is done by __________________? Read More »
Process Control and Instrumentation A. Resistance thermometer
B. Thermocouple
C. Optical pyrometer (disappearing filament type)
D. Radiation pyrometer
Which of the following is not classified as a thermo electric pyrometer ? Read More »
Process Control and Instrumentation A. Proportional controller
B. Proportional-derivative (PD) controller
C. Proportional-integral (PI) controller
D. Proportional integral-derivative (PID) controller
A. Product
B. Ratio
C. Sum
D. Difference
A. Platinum-platinum + rhodium
B. Chromel-Alumel
C. Iron-constantan
D. Copper-constantan
Which of the following thermocouples is capable of measuring a temperature of -50°C ? Read More »
Process Control and Instrumentation A. – 273° & 80°
B. 0° & 80°
C. 32° & 460°
D. 32° & 80°
A. Teflon
B. Synthetic rubber
C. Bakelite
D. Thick paper
A. Decay ratio = overshoot
B. Decay ratio = (overshoot)2
C. Overshoot increases for increasing damg co-efficient
D. Large damg co-efficient means smaller damg
In second order underdamped system ? Read More »
Process Control and Instrumentation A. Bimetallic thermometers
B. Thermocouples
C. Thermostats
D. Relays for opening & closing of electrical circuits
Bimetal strips are not used in________________? Read More »
Process Control and Instrumentation