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Process Control and Instrumentation

Process Control and Instrumentation
Continuous measurement of moisture in paper is done by

Hair-hygrometer
Weighing
Sling psychrometer
High resistance Wheatstone's bridge circuit

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Process Control and Instrumentation
Thermistors are used in __________ devices.

Temperature measuring
Both B & C
Temperature compensating
Voltage measuring

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Process Control and Instrumentation
Continuous shell temperature measurement in a liquid-liquid heat exchanger is done by a

Thermocouple
Mercury in glass thermometer
Reistance thermometer
Vapor pressure thermometer

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Process Control and Instrumentation
A barometer measures the __________ pressure.

Dynamic
Gauge
Absolute
Absolute as well as gauge

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Process Control and Instrumentation
Continuous measurement of specific gravity of a liquid is done by

Both A and C
Displacement meter
Contact-type electric indicators
Hydrometer

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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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