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Process Control and Instrumentation

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

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

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Process Control and Instrumentation
Emf developed by a thermocouple while measuring a temperature of 400°C is 22 mV. The type of thermocouple used is

Iron-constantan
Chromel-alumel
Platinum-platinum+rhyodium
Platinum-rhodium

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Process Control and Instrumentation
__________ is the static characteristics of an instrument,

Drift
Dynamic error
Response
Tine lag

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Process Control and Instrumentation
Temperature measurement by optical pyrometer is done above __________ point, which is 1063°C.

Gold
Silver
Antimony
Nickel

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Process Control and Instrumentation
The __________ of a vapor pressure thermometer is a secondary element.

None ofthese
Bulb
Bourdon tube
Pointer

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Process Control and Instrumentation
Nitrogen gas constant volume thermometer is suitable for measuring a temperature of __________ °C.

0-100
< 0
> 50
> 100

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