The deflection in diaphragm (which is used as pressure sensor in pneumatic and electronic instruments) is dependent on the metal thickness, its diameter (d) and shape & number of corrugations. Its deflection is proportional to

Process Control and Instrumentation
The deflection in diaphragm (which is used as pressure sensor in pneumatic and electronic instruments) is dependent on the metal thickness, its diameter (d) and shape & number of corrugations. Its deflection is proportional to

D

D²

D⁴

D³

D

D²

D⁴

D³

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Process Control and Instrumentation
Stability of a control system containing a transportation lag can be best analysed by

Root locus methods

None of these

Routh test

Frequency response methods

Root locus methods

None of these

Routh test

Frequency response methods

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Process Control and Instrumentation
The initial value (t=0) of the unit step response of the transfer function [(s + 1)/(2s + 1)] is

2

1

43832

2

1

43832

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Process Control and Instrumentation
A sinusoidal variation in the input passing through a linear first order system

Becomes less oscillatory (frequency decreases)

Becomes more oscillatory (frequency increases)

Gets amplified (magnitude increases)

Gets attenuated (magnitude decreases)

Becomes less oscillatory (frequency decreases)

Becomes more oscillatory (frequency increases)

Gets amplified (magnitude increases)

Gets attenuated (magnitude decreases)

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Process Control and Instrumentation
Thermal conductivity cell is the primary element of a/an __________ analyser.

Sulphur dioxide

Carbon dioxide

Carbon monoxide

Oxygen

Sulphur dioxide

Carbon dioxide

Carbon monoxide

Oxygen

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Process Control and Instrumentation
Bimetal strips are not used in

Thermocouples

Thermostats

Bimetallic thermometers

Relays for opening & closing of electrical circuits

Thermocouples

Thermostats

Bimetallic thermometers

Relays for opening & closing of electrical circuits

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Process Control and Instrumentation

Process Control and Instrumentation The deflection in diaphragm (which is used as pressure sensor in pneumatic and electronic instruments) is dependent on the metal thickness, its diameter (d) and shape & number of corrugations. Its deflection is proportional to

Process Control and Instrumentation Stability of a control system containing a transportation lag can be best analysed by

Process Control and Instrumentation The initial value (t=0) of the unit step response of the transfer function [(s + 1)/(2s + 1)] is

Process Control and Instrumentation A sinusoidal variation in the input passing through a linear first order system

Process Control and Instrumentation Thermal conductivity cell is the primary element of a/an __________ analyser.

Process Control and Instrumentation Bimetal strips are not used in

Process Control and Instrumentation
The deflection in diaphragm (which is used as pressure sensor in pneumatic and electronic instruments) is dependent on the metal thickness, its diameter (d) and shape & number of corrugations. Its deflection is proportional to

Process Control and Instrumentation
Stability of a control system containing a transportation lag can be best analysed by

Process Control and Instrumentation
The initial value (t=0) of the unit step response of the transfer function [(s + 1)/(2s + 1)] is

Process Control and Instrumentation
A sinusoidal variation in the input passing through a linear first order system

Process Control and Instrumentation
Thermal conductivity cell is the primary element of a/an __________ analyser.

Process Control and Instrumentation
Bimetal strips are not used in