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

D³

D

D⁴

D²

D³

D

D⁴

D²

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

1/X

X

1

X²

1/X

X

1

X²

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Process Control and Instrumentation
Thermal wells used in temperature measurements should have

High transmissivity of radiation

Polished surface

Low emissivity

Very thick walls

High transmissivity of radiation

Polished surface

Low emissivity

Very thick walls

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Process Control and Instrumentation
Which of the following thermocouple materials does not contain nickel?

Constantan

Chromel

None of these

Alumel

Constantan

Chromel

None of these

Alumel

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Process Control and Instrumentation
Select the correct statement from the following.

The amplitude ratio of a pure time delay system increases with frequency

The phase lag of a pure time delay system decreases with increasing frequency

The frequency response of a pure capacity process is unbounded

The amplitude ratio of a pure capacity process is inversely proportional to frequency

The amplitude ratio of a pure time delay system increases with frequency

The phase lag of a pure time delay system decreases with increasing frequency

The frequency response of a pure capacity process is unbounded

The amplitude ratio of a pure capacity process is inversely proportional to frequency

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Process Control and Instrumentation
Which of the systems having following transfer functions is stable?

1/(s²-2s + 3)

Exp(-20s)/(s² + 2s-l)

1/(s²+ 2)

1/(s² + 2s + 2)

1/(s²-2s + 3)

Exp(-20s)/(s² + 2s-l)

1/(s²+ 2)

1/(s² + 2s + 2)

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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 What is the Laplace transform of impulse input having magnitude 'X' ?

Process Control and Instrumentation Thermal wells used in temperature measurements should have

Process Control and Instrumentation Which of the following thermocouple materials does not contain nickel?

Process Control and Instrumentation Select the correct statement from the following.

Process Control and Instrumentation Which of the systems having following transfer functions is stable?

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
What is the Laplace transform of impulse input having magnitude 'X' ?

Process Control and Instrumentation
Thermal wells used in temperature measurements should have

Process Control and Instrumentation
Which of the following thermocouple materials does not contain nickel?

Process Control and Instrumentation
Select the correct statement from the following.

Process Control and Instrumentation
Which of the systems having following transfer functions is stable?