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Process Control and Instrumentation

Process Control and Instrumentation
Thermal conductivity cell is the primary element of a/an __________ analyser.

Carbon monoxide
Carbon dioxide
Sulphur dioxide
Oxygen

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

Bourdon guage
Ionisation gauge
Mcleoid gauge
Alphatron

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Process Control and Instrumentation
Pick out the one which is a first order instrument.

All of these
Bare vapor pressure thermometer
Mercury in glass thermometer (without any covering or air gap)
Bare metallic thermometer

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Process Control and Instrumentation
Measurement of pressure in ammonia reactor is done by

Inclined tube manometer
U-tube manometer
Pirani guage
Bourdon gauge

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Process Control and Instrumentation
Starting temperature of optical radiation pyrometer is __________ °C.

400
800
1500
1200

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Process Control and Instrumentation
When a bare thermocouple is covered by a protective sheath, the response becomes

Slower and oscillatory
Faster and oscillatory
Faster and non-oscillatory
Slower and non-oscillatory

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