Process Control and Instrumentation

A. Overdamped response
B. Underdamped response
C. Undamped response
D. Unstable response

A. U-tube manometer
B. Spring loaded diaphragm valve
C. CSTR with first order reaction
D. Thermocouple kept immersed in a liquid filled thermowell

A. Bode stability
B. Nyquist
C. Routh stability
D. None of these

A. Time required for the response of first reach its ultimate value is called the response time
B. Overshoot (which is a measure of how much the response exceeds the ultimate value) increase
with the decrease of damping co-efficient
C. Decay ratio (which is the ratio of the sizes of successive peaks) is equal to the reciprocal of
overshoot
D. None of these

A. Platinum resistance thermometer
B. Thermocouple
C. Photo-electric pyrometer
D. Radiation pyrometer

A. Platinum resistance thermometer
B. Mercury in glass thermometer
C. Vapor pressure thermometer
D. Radiation pyrometer

A. 20
B. 30
C. 40
D. 50

A. CO2
B. O2
C. NO
D. NO2

A. > 2 (gage)
B. < 3 (gage)
C. < 10 (gage)
D. < atmospheric

A. Thermal conductivity through the paper
B. Electrical resistance through the paper
C. Magnetic susceptibility
D. None of these