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Process Control and Instrumentation

Process Control and Instrumentation
A manometer measures the __________ pressure.

None of these
Atmospheric
Absolute
Gauge

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Process Control and Instrumentation
Emission spectroscopy is used for

Solids and metal analysis
Determining water purity
Determination of CO₂ in gases
NOxdetermination

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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)
1/TS
R/(TS + 1)
R/TS

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Process Control and Instrumentation
Which of the following thermocouples has the widest temperature measurement range?

Copper-constantan
Iron-constantan
Chromel-alumel
Platinum-platinum/rhodium

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Process Control and Instrumentation
Relationship between absorption/evolution of heat at the thermocouple junctions and the current flow in the circuit is given by __________ effect.

Peltier
Seebeck
Thomson
None of these

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Process Control and Instrumentation
The __________ of a vapor pressure thermometer is a secondary element.

Bulb
Bourdon tube
None ofthese
Pointer

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