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

D

D²

D³

D⁴

D

D²

D³

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Process Control and Instrumentation
In a single tank system, the transfer function of level to inlet flow rate is

1/TS

R/TS

L(TS + l)

R/(TS + 1)

1/TS

R/TS

L(TS + l)

R/(TS + 1)

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Process Control and Instrumentation
Use of I-control along with P-control facilitates

None of these

Reduction of offset

Reduction of stability time

Elimination of offset

None of these

Reduction of offset

Reduction of stability time

Elimination of offset

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Process Control and Instrumentation
A stable system is the one

Which satisfies the conditions for a servo problem

None of these

Which exhibits an unbounded response to a bounded input

For which the output response is bounded for all bounded input

Which satisfies the conditions for a servo problem

None of these

Which exhibits an unbounded response to a bounded input

For which the output response is bounded for all bounded input

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Process Control and Instrumentation
Working principle of mercury in glass thermometer is

Pressure rise with temperature

Volumetric expansion

Linear expansion

None of these

Pressure rise with temperature

Volumetric expansion

Linear expansion

None of these

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Process Control and Instrumentation
A system with a double pole at the origin is unstable since the corresponding term in the time domain

Grows linearly with time

Is a constant

Decays linearly with time

Grows exponentially with time

Grows linearly with time

Is a constant

Decays linearly with time

Grows exponentially with time

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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 In a single tank system, the transfer function of level to inlet flow rate is

Process Control and Instrumentation Use of I-control along with P-control facilitates

Process Control and Instrumentation A stable system is the one

Process Control and Instrumentation Working principle of mercury in glass thermometer is

Process Control and Instrumentation A system with a double pole at the origin is unstable since the corresponding term in the time domain

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
In a single tank system, the transfer function of level to inlet flow rate is

Process Control and Instrumentation
Use of I-control along with P-control facilitates

Process Control and Instrumentation
A stable system is the one

Process Control and Instrumentation
Working principle of mercury in glass thermometer is

Process Control and Instrumentation
A system with a double pole at the origin is unstable since the corresponding term in the time domain