Strain gage uses an electrical conductor wire, which when elastically stretched increases in length and reduces in diameter. Both these dimensional changes result in __________ in the electrical resistance of the wire.

Process Control and Instrumentation
Strain gage uses an electrical conductor wire, which when elastically stretched increases in length and reduces in diameter. Both these dimensional changes result in __________ in the electrical resistance of the wire.

Decrease

Increase

No change

Exponential decrease

Decrease

Increase

No change

Exponential decrease

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Process Control and Instrumentation
Mercury manometer (U-tube type) exemplifies a __________ order system.

Second

Third

Zero

First

Second

Third

Zero

First

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Process Control and Instrumentation
Flow rate through an orifice is __________ the pressure differential.

Inversely proportional to the square root of

Proportional to the square root of

Inversely proportional to the square of

Proportional to

Inversely proportional to the square root of

Proportional to the square root of

Inversely proportional to the square of

Proportional to

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Process Control and Instrumentation
The operation of a rotameter is based on

Pressure at a stagnation point

Variable flow area

Pressure drop across a nozzle

Rotation of a turbine

Pressure at a stagnation point

Variable flow area

Pressure drop across a nozzle

Rotation of a turbine

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Process Control and Instrumentation
The closed loop pole of a stable second order system could be

Both real and negative

Both real and positive

One real positive and the other real negative

Complex conjugate with positive real parts

Both real and negative

Both real and positive

One real positive and the other real negative

Complex conjugate with positive real parts

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Process Control and Instrumentation
Which of the following controllers has the least maximum deviation?

P-controller

P-D controller

P-I-D controller

P-I controller

P-controller

P-D controller

P-I-D controller

P-I controller

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Process Control and Instrumentation

Process Control and Instrumentation Strain gage uses an electrical conductor wire, which when elastically stretched increases in length and reduces in diameter. Both these dimensional changes result in __________ in the electrical resistance of the wire.

Process Control and Instrumentation Mercury manometer (U-tube type) exemplifies a __________ order system.

Process Control and Instrumentation Flow rate through an orifice is __________ the pressure differential.

Process Control and Instrumentation The operation of a rotameter is based on

Process Control and Instrumentation The closed loop pole of a stable second order system could be

Process Control and Instrumentation Which of the following controllers has the least maximum deviation?

Process Control and Instrumentation
Strain gage uses an electrical conductor wire, which when elastically stretched increases in length and reduces in diameter. Both these dimensional changes result in __________ in the electrical resistance of the wire.

Process Control and Instrumentation
Mercury manometer (U-tube type) exemplifies a __________ order system.

Process Control and Instrumentation
Flow rate through an orifice is __________ the pressure differential.

Process Control and Instrumentation
The operation of a rotameter is based on

Process Control and Instrumentation
The closed loop pole of a stable second order system could be

Process Control and Instrumentation
Which of the following controllers has the least maximum deviation?