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Process Control and Instrumentation

Process Control and Instrumentation
Maximum differential pressure in liquid manometer is __________ psi.

40
50
20
30

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

Mercury in glass thermometer
Vapor pressure thermometer
Thermocouple
Reistance thermometer

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Process Control and Instrumentation
In Bode plot, A.R. vs. w is plotted on a/an __________ graph paper.

Triangular
Ordinary
Semi-log
Log-lag

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Process Control and Instrumentation
Psychrometer determines the

Humidity of gases
Moisture content of solids
Hygroscopic nature of solids
Water of crystallisation

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Process Control and Instrumentation
Which is the most suitable instrument for measuring pressure below 3 microns?

Mcleoid gauge
Bourdon guage
Alphatron
Ionisation gauge

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Process Control and Instrumentation
The initial value (t=0) of the unit step response of the transfer function [(s + 1)/(2s + 1)] is

2
1
43832

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