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Process Control and Instrumentation

Process Control and Instrumentation
Photoelectric pyrometers are suitable in the temperature range of __________ °C.

400-1600
800-2500
400-1000
800-1600

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Process Control and Instrumentation
Presence of a small amount of water in the organic systems can be determined by the __________ method.

Emission spectroscopy
Polarimetry
Electrical conductivity
Dielectric constant end loss factor

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Process Control and Instrumentation
An amplitude ratio of 0.1 corresponds to __________ decibels.

-20
10
-10
20

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Process Control and Instrumentation
The inverse Laplace transform of the function f(s) = 1/S(1 + S) is

1 - e-t
1 + et
1 + e-t
1 - et

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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?

Step
Sinusoidal
Ramp
Impulse

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Process Control and Instrumentation
Volumetric expansion is the working principle of the __________ thermometers.

Mercury in glass
Constant volume gas
Bimetallic
Vapor pressure

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