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Process Control and Instrumentation

Process Control and Instrumentation
The level of a liquid under pressure can be determined using

Diaphragm box system
Air-trap system
Differential pressure manometer
Bubbler system

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Process Control and Instrumentation
What is the Laplace transform of impulse input having magnitude 'X' ?

1/X
X
X²
1

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Process Control and Instrumentation
Nitrogen gas constant volume thermometer is suitable for measuring a temperature of __________ °C.

0-100
< 0
> 100
> 50

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Process Control and Instrumentation
Nickel percentage in invar which is an iron-nickel alloy, and is used as a thermocouple material is

54
36
68
12

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Process Control and Instrumentation
Configuration of Bourdon spring tube is never made of __________ shape.

Circular
Helical
Spiral
Semi-circular

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Process Control and Instrumentation
Emf generated in a thermocouple depends on the temperature

Difference between cold junction and atmospheric temperature
Difference between hot and cold junctions
Of cold junction only
Of hot junction only

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