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Process Control and Instrumentation

Process Control and Instrumentation
Which of the following shows maximum dip effect (indicating reverse direction of temperature change)?

Thermocouple
Bimetallic thermometer
Mercury thermometer
Radiation pyrometer

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Process Control and Instrumentation
The root locus method, a pole of a transfer function G(s) is the value of s for which G(s) approaches

∞
-1
1

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

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

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

None ofthese
Bulb
Pointer
Bourdon tube

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Process Control and Instrumentation
Emission spectroscopy is used for

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

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Process Control and Instrumentation
The deflection of the free end of the bimetallic strips in a bimetallic thermometer with temperature is nearly

Hyperbolic
Non-linear
Linear
Parabolic

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