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Process Control and Instrumentation

Process Control and Instrumentation
__________ temperature scale assigns 0° to the 'ice point' and 80° to the 'steam point'

Rankine
Farenhite
Reumur
Celcius

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Process Control and Instrumentation
For increased speed of response of an expansion pressure spring thermometer, the thermometer bulb should have a

All of these
High thermal conductivity
Large area but small mass
Small specific heat

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Process Control and Instrumentation
Operating range of a temperature measuring instrument is 800 to 1600°C. It could be a/an __________ pyrometer.

Photoelectric
Radiation
None of these
Optical

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Process Control and Instrumentation
Starting temperature of optical radiation pyrometer is __________ °C.

400
1200
800
1500

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Process Control and Instrumentation
Temperature of __________ can not be measured by an optical or radiation pyrometer.

Rotary limestone calcination kiln
Combustion space in boilers
Molten slag flowing out of blast furnace
Hot blast (air) from stoves

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

First
Third
Zero
Second

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