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Process Control and Instrumentation

Process Control and Instrumentation
For two non-interacting first order systems connected in series, the overall transfer function is the __________ of the individual transfer functions.

Difference
Product
Ratio
Sum

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Process Control and Instrumentation
The maximum service temperature for fibre glass used as thermocouple wire insulation material is __________ °C.

250
750
1000
500

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Process Control and Instrumentation
Paramagnetism method is not used for the composition determination of __________ in gases.

Oxides of nitrogen
Any of these
Oxygen
Carbon dioxide

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Process Control and Instrumentation
E.m.f. generated by thermocouples is of the order of

Volts
Millivolts
Kilo volts
Microvolts

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

1
X
X²
1/X

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Process Control and Instrumentation
A first order system with a time constant of 1 min is subjected to frequency response analysis. At an input frequency of 1 radian/min, the phase shift is

-180°
-90°
-45°
45°

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