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

D⁴

D²

D³

D

D⁴

D²

D³

D

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Process Control and Instrumentation
The pressure sensing element of elastic type pressure gauge is never made in the form of a

Diaphragm

Bourdon tube

Strip

Bellow

Diaphragm

Bourdon tube

Strip

Bellow

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Process Control and Instrumentation
Relationship between absorption/evolution of heat at the thermocouple junctions and the current flow in the circuit is given by __________ effect.

Peltier

Seebeck

Thomson

None of these

Peltier

Seebeck

Thomson

None of these

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Process Control and Instrumentation
Response of a system to a sinusoidal input is called __________ response.

None of these

Impluse

Frequency

Unit step

None of these

Impluse

Frequency

Unit step

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Process Control and Instrumentation
Phase lag of the frequency response of a second order system to a sinusoidal forcing function

Is 120°

Is 90° at the most

Is 30°

Approaches 180° asymptotically

Is 120°

Is 90° at the most

Is 30°

Approaches 180° asymptotically

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Process Control and Instrumentation
Which is the most suitable instrument for measuring pressure below 3 microns?

Ionisation gauge

Alphatron

Bourdon guage

Mcleoid gauge

Ionisation gauge

Alphatron

Bourdon guage

Mcleoid gauge

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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 The pressure sensing element of elastic type pressure gauge is never made in the form of a

Process Control and Instrumentation Relationship between absorption/evolution of heat at the thermocouple junctions and the current flow in the circuit is given by __________ effect.

Process Control and Instrumentation Response of a system to a sinusoidal input is called __________ response.

Process Control and Instrumentation Phase lag of the frequency response of a second order system to a sinusoidal forcing function

Process Control and Instrumentation Which is the most suitable instrument for measuring pressure below 3 microns?

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
The pressure sensing element of elastic type pressure gauge is never made in the form of a

Process Control and Instrumentation
Relationship between absorption/evolution of heat at the thermocouple junctions and the current flow in the circuit is given by __________ effect.

Process Control and Instrumentation
Response of a system to a sinusoidal input is called __________ response.

Process Control and Instrumentation
Phase lag of the frequency response of a second order system to a sinusoidal forcing function

Process Control and Instrumentation
Which is the most suitable instrument for measuring pressure below 3 microns?