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Process Control and Instrumentation

Process Control and Instrumentation
Composition of natural gas is determined by the

Chromatograph
Haldane apparatus
Mass spectrometer
Both B and C

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Process Control and Instrumentation
Liquid flow rate in an open channel can not be measured by a/an

Orifice meter
Rectangular weir
Cipolletti weir
V-notch

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Process Control and Instrumentation
Number of poles in a system with transfer function 1/(s² + 2s² + 1) is

2
3
1
5

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Process Control and Instrumentation
Thermal conductivity measurement is used for the determination of

Specific gravity of petrofuels
CO₂ percentage in the flue gas
O₂ percentage in the flue gas
Composition of an alloy

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Process Control and Instrumentation
The pressure sensing element of elastic type pressure gauge is never made in the form of a

Strip
Diaphragm
Bellow
Bourdon tube

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Process Control and Instrumentation
When a bare thermocouple is covered by a protective sheath, the response becomes

Slower and oscillatory
Faster and non-oscillatory
Faster and oscillatory
Slower and non-oscillatory

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