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Process Control and Instrumentation

Process Control and Instrumentation
Liquid levels in autocalves are measued by

Simple float
Differential float type manometer
None of these
Glass gauge

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Process Control and Instrumentation
A barometer measures the __________ pressure.

Absolute
Gauge
Dynamic
Absolute as well as gauge

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Process Control and Instrumentation
Characteristic equation is the denominator of __________ loop transfer function.

Neither A Nor B Here
Open
Both A & B Here
Closed

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Process Control and Instrumentation
The open loop transfer function of a control system is KR/(1 + TS) . This represents

A second order system
A first order time lag
A first order system
Dead time system

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Process Control and Instrumentation
Liquid discharge from a tank or reservoir can not be measured by

Orificemeters
Notches
Mouthpieces
Weirs

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Process Control and Instrumentation
Out of the following temperature measuring instruments, the measurement accuracy will be minimum for the

Optical pyrometer
Mercury in glass thermometer
Alcohol filled thermometer
Iron-constantan thermocouple

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