Process Control and Instrumentation

A pyrheliometer is an instrument used for measuring the_________________?

Byadmin March 5, 2019August 24, 2021

A pyrheliometer is an instrument used for measuring the_________________?

A. Bright sunshine period
B. Beam radiation
C. Diffuse radiation
D. None of these

Process Control and Instrumentation

A bimetallic thermometer as compared to industrial mercury in glass thermometer has almost the same_________________?

A bimetallic thermometer as compared to industrial mercury in glass thermometer has almost the same_________________?

A. Temperature measuring range (- 40°C to 450°C)
B. Accuracy (± 1% of span)
C. Speed of response
D. All a, b & c

Read More A bimetallic thermometer as compared to industrial mercury in glass thermometer has almost the same_________________?
Process Control and Instrumentation

E.m.f. generated by thermocouples is of the order of ________________?

E.m.f. generated by thermocouples is of the order of ________________?

A. Milli volts
B. Micro volts
C. Volts
D. Kilo volts

Read More E.m.f. generated by thermocouples is of the order of ________________?
Process Control and Instrumentation

A first order system with unity gain and time constant η is subjected to a sinusoidal input of frequency w = 1/η. The amplitude ratio for this system is______________?

A first order system with unity gain and time constant η is subjected to a sinusoidal input of frequency w = 1/η. The amplitude ratio for this system is______________?

A. 1
B. 0.5
C. 1/√2
D. 0.25

Read More A first order system with unity gain and time constant η is subjected to a sinusoidal input of frequency w = 1/η. The amplitude ratio for this system is______________?
Process Control and Instrumentation

Which of the following is the dynamic characteristics of an instrument ?

Which of the following is the dynamic characteristics of an instrument ?

A. Reproducibility
B. Sensitivity
C. Dead zone
D. Fidelity

Read More Which of the following is the dynamic characteristics of an instrument ?
Process Control and Instrumentation

Conversion formula for converting amplitude ratio (AR) into decibels is ________________?

Conversion formula for converting amplitude ratio (AR) into decibels is ________________?

A. Decibel = 20 log10 (AR)
B. Decibel = 20 loge (AR)
C. Decibel = 20 log10 (AR)0.5
D. Decibel = 20 loge (AR)0.5

Read More Conversion formula for converting amplitude ratio (AR) into decibels is ________________?
Process Control and Instrumentation

Gas analysis is commonly done using the___________________?

Gas analysis is commonly done using the___________________?

A. Thermal conductivity cell
B. X-ray diffraction
C. Mass spectrometer
D. Emission spectrometer

Read More Gas analysis is commonly done using the___________________?

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