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Process Control and Instrumentation

Process Control and Instrumentation
Mcleoid gauge is used to measure the

Point velocity
Vacuum
Flow rate
Pressure

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Process Control and Instrumentation
Flow rate through an orifice is __________ the pressure differential.

Inversely proportional to the square of
Proportional to
Proportional to the square root of
Inversely proportional to the square root of

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Process Control and Instrumentation
Flow rate of sludge is not measured by a/an

Both B & C
Orificemeter
Open weir
Kennison nozzle

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Process Control and Instrumentation
__________ is undesirable in thermocouples used in industries,

Linear relation of emf to temperature
Oxidation resistance
Corrosion resistance
Non-linear relation of emf to temperature

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Process Control and Instrumentation
Emission spectroscopy is used for

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

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Process Control and Instrumentation
Thermisters which have a very high temperature co-efficient of resistivity belong to the class of solid called

Insulators
Semi conductors
Conductors
Dielectrics

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