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Process Control and Instrumentation

Process Control and Instrumentation
The deflection of the free end of the bimetallic strips in a bimetallic thermometer with temperature is nearly

Non-linear
Parabolic
Linear
Hyperbolic

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Process Control and Instrumentation
A control system has the following transfer function F(s) = (s - 1)(s + 1)/s(s - 2)(s + 4)The initial value of the corresponding time function is

-1
1
43838
44020

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Process Control and Instrumentation
Silver point temperature is __________ °C.

1060.5
760.5
860.5
960.5

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Process Control and Instrumentation
The amplitude ratio for the sinusoidal response of a __________ is 1.

Transportation lag
First order system
None of these
Second order system

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Process Control and Instrumentation
__________ is undesirable in thermocouples used in industries,

Oxidation resistance
Linear relation of emf to temperature
Non-linear relation of emf to temperature
Corrosion resistance

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Process Control and Instrumentation
Continuous measurement of moisture content of paper in paper industry is done by measuring the

Electrical resistance through the paper
Thermal conductivity through the paper
Magnetic susceptibility
None of these

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