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PROCESS CONTROL AND INSTRUMENTATION

Process Control and Instrumentation
Which of the following relates the absorption & evolution of heat at the junctions of a thermocouple to the current flow in the circuit?

Joule heating effect
Peltier effect
Thomson effect
Seebeck effect

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Process Control and Instrumentation
Turbine flow meters are suitable for

Cryogenic flow measurements
Both B and C
Aerospace and in air borne applications
Very limited flow ranges

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Process Control and Instrumentation
Pick out the most suitable instrument for measuring temperature in the range of-40 to 425°C.

Radiation pyrometer
Bimetallic thermometer
Mercury thermometer
None of these

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

1
X²
1/X
X

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Process Control and Instrumentation
What is the Laplace transform of sin t ?

1/(s² + 1)
S/(s² - 1)
1/(s² - 1)
S/(s² + 1)

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