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.Management Sciences
Category: Process Control and Instrumentation
A negative gain margin expressed in decibels means a/an ____________ system?
0
A. Stable
B. Unstable
C. Critically damped
D. None of these
Radiation pyrometers as compared to thermocouples____________________?
A. Has a slower speed of response
B. Can measure higher temperature
C. Can’t measure the temperature of moving objects
D. Is more affected by corrosive atmosphere
A non-linear system will have _____________ steady state values?
A. One
B. More than one
C. Two
D. Three
Presence of a small amount of water in the organic systems can be determined by the _____________ method?
A. Electrical conductivity
B. Polarimetry
C. Emission spectroscopy
D. Dielectric constant end loss factor
Flapper nozzle is used in a/an ______________ controller?
A. Electronic
B. Hydraulic
C. Pneumatic
D. None of these
Which of the following thermocouples has the widest temperature measurement range ?
A. Iron-constantan
B. Chromel-alumel
C. Copper-constantan
D. Platinum-platinum/rhodium
Compositional analysis of flue gas coming out of a furnace in respect of O2 and CO2% can be continuously done by a/an___________________?
A. Orsat apparatus
B. Thermal conductivity cell
C. Zirconia probe
D. Chromatograph
A mercury barometer measures the _____________ pressure?
A. Atmospheric
B. Gauge
C. Vacuum
D. Absolute
Pressure of 0.01 psi (absolute) can be measured by ______________ gauge?
A. Ionisation
B. Pirani
C. Mcleod
D. None of these
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