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Process Control and Instrumentation

Process Control and Instrumentation
The __________ of a vapor pressure thermometer is a primary element.

Pointer
None of these
Bourdon tube
Bulb

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Process Control and Instrumentation
A mercury barometer measures the __________ pressure.

Vacuum
Atmospheric
Gauge
Absolute

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Process Control and Instrumentation
Liquid levels in autocalves are measued by

Glass gauge
None of these
Simple float
Differential float type manometer

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Process Control and Instrumentation
Which of the following instruments is not used for measuring sub-zero (<0°) temperatures?

Radiation pyrometer
Vapor pressure thermometer
Platinum resistance thermometer
Mercury in glass thermometer

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Process Control and Instrumentation
High temperature of around 2000°C of incandescent gas mantles is measured by a/an

Specially designed thermocouple
Optical pyrometer
None of these Here
Radiation pyrometer

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Process Control and Instrumentation
Which of the following shows maximum dip effect (indicating reverse direction of temperature change)?

Radiation pyrometer
Mercury thermometer
Bimetallic thermometer
Thermocouple

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