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Process Control and Instrumentation

Process Control and Instrumentation
Liquid argon level in a pressurised storage tank (at 3 kg/cm² ) is measured by a/an

Differential pressure gage
Gage glass
External float gage
None of these

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Process Control and Instrumentation
A bimetallic thermometer as compared to industrial mercury in glass thermometer has almost the same

Temperature measuring range (- 40°C to 450°C)
All of these
Speed of response
Accuracy (± 1% of span)

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Process Control and Instrumentation
A manometer measures the __________ pressure.

Gauge
Atmospheric
Absolute
None of these

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Process Control and Instrumentation
A control system has the following transfer function F(s) = (s - 1)(s + 1)/s(s - 2)(s + 4)The initial value of the corresponding time function is

44020
1
-1
43838

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Process Control and Instrumentation
Strain gage pressure transducers are used to measure __________ pressures.

Gage as well as vacuum
Neither A nor B
Absolute as well as differential
Both A & B Here

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Process Control and Instrumentation
Working principle of mercury in glass thermometer is based on the __________ of mercury with increase in temperature.

Volumetric expansion
Increase of pressure
Differential linear expansion
Increase of thermal conductivity

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