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Process Control and Instrumentation

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

Ionisation gauge
Alphatron
Bourdon guage
Mcleoid gauge

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Process Control and Instrumentation
Degree to which an instrument indicates the changes in measured variable without dynamic error is called its

Speed of response
Static characteristics
Fidielity
Reproducibility

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Process Control and Instrumentation
Bode diagram are generated from output response of the system subjected to which of the following input?

Impulse
Step
Sinusoidal
Ramp

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Process Control and Instrumentation
Pressure of 0.0001 absolute psi can be measured by __________ gauge

None of these
Thermocouple
Pirani
Mcloid

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Process Control and Instrumentation
Thermistors are used in __________ devices.

Temperature compensating
Voltage measuring
Temperature measuring
Both B & C

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Process Control and Instrumentation
Temperature of molten pig iron (1450°C) and molten slag (1500°C) flowing out of a blast furnace is measured by a/an

Chromel-alumel thermocouple
Radiation pyrometer
Optical pyrometer
Either B or C

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