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Process Control and Instrumentation

Process Control and Instrumentation
In a single tank system, the transfer function of __________ to inlet flow rate is 1/TS+1.

Level
Neither A nor B Here
Both A & B Here
Outlet flow rate

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Process Control and Instrumentation
Which of the following filled system expansion thermometer has the capability to measure the lowest temperature?

Mercury in steel thermometer
Fused metal (Na or K) in steel thermometer
Mercury in glass thermometer
Alcohol in glass thermometer

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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
44020
-1
43838

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Process Control and Instrumentation
A photo electric device in which the resistance of the metal is directly proportional to the light striking on it, is known as photo-conductive cell. Photoelectric transducers are used for the measurement of those parameters, which can be used to produce variation in

Voltage
Light intensity
Current
Flux density

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

Transportation lag
Second order system
None of these
First order system

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Process Control and Instrumentation
Concentration of sugar solution can be determined by the

Polarimetry
Flame photometry
Oscillometry
Emission spectroscopy

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