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Process Control and Instrumentation

Process Control and Instrumentation
Photoelectric pyrometers are suitable in the temperature range of __________ °C.

800-2500
800-1600
400-1600
400-1000

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Process Control and Instrumentation
A simple pitot tube measures the

Point velocity
Maximum velocity
Static pressure
Average velocity

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Process Control and Instrumentation
__________ controller has the maximum stabilising time.

PID
PD
PI
P

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Process Control and Instrumentation
In a single tank system, the transfer function of level to inlet flow rate is

L(TS + l)
R/(TS + 1)
1/TS
R/TS

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Process Control and Instrumentation
Flame photometry is used for the determination of compositional analysis of

Natural gas
Solids
Isotopes
Alkali metals

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Process Control and Instrumentation
The level of a liquid under pressure can be determined using

Air-trap system
Differential pressure manometer
Bubbler system
Diaphragm box system

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