Chemical Engineering - Process Control and Instrumentation

11. 

Which of the following thermometers is not suitable for distant reading upto 60 metres?

A. Vapor pressure thermometer
B. Mercury in glass thermometer
C. Constant volume gas thermometer
D. Resistance thermometer

Answer: Option B

Explanation:

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12. 

Degree to which an instrument indicates the changes in measured variable without dynamic error is called its

A. speed of response
B. reproducibility
C. fidielity
D. static characteristics

Answer: Option C

Explanation:

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13. 

Thermistors are made of

A. ultra pure metals
B. metal oxides
C. iron-copper alloys
D. nickel-chromium alloys

Answer: Option B

Explanation:

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14. 

A barometer measures the __________ pressure.

A. absolute
B. gauge
C. absolute as well as gauge
D. dynamic

Answer: Option A

Explanation:

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15. 

Humidity of air can be determined by a

A. chromatograph
B. sling psychrometer
C. mass spectrometer
D. polarimeter

Answer: Option B

Explanation:

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