Process Control and Instrumentation

Humidity of air can be determined by a__________________?

Byadmin March 5, 2019August 24, 2021

Humidity of air can be determined by a__________________?

A. Chromatograph
B. Sling psychrometer
C. Mass spectrometer
D. Polarimeter

Process Control and Instrumentation

For measuring the temperature of a red hot furnace, which is the most suitable instrument ?

For measuring the temperature of a red hot furnace, which is the most suitable instrument ?

A. Platinum resistance thermometer
B. Thermocouple
C. Optical pyrometer
D. Bimetallic thermometer

Read More For measuring the temperature of a red hot furnace, which is the most suitable instrument ?
Process Control and Instrumentation

In a feed-back control system G and H denote open loop and close loop transfer functions respectively. The output-input relationship is_____________?

In a feed-back control system G and H denote open loop and close loop transfer functions respectively. The output-input relationship is_____________?

A. G/(1 + H)
B. H/(1 + G)
C. G/H
D. H/G

Read More In a feed-back control system G and H denote open loop and close loop transfer functions respectively. The output-input relationship is_____________?
Process Control and Instrumentation

Mercury thermometer can be used to measure the temperature upto ____________ °C?

Mercury thermometer can be used to measure the temperature upto ____________ °C?

A. 100
B. 250
C. 350
D. 750

Read More Mercury thermometer can be used to measure the temperature upto ____________ °C?
Process Control and Instrumentation

A non-linear chemical system is exemplified by a/an_________________?

A non-linear chemical system is exemplified by a/an_________________?

A. Isothermal CSTR
B. Mixer
C. Non-isothermal CSTR
D. None of these

Read More A non-linear chemical system is exemplified by a/an_________________?
Process Control and Instrumentation

Bourdon tube is never made of________________?

Bourdon tube is never made of________________?

A. Phosphor bronze
B. Monel metal
C. Stainless steel
D. Cast iron

Read More Bourdon tube is never made of________________?
Process Control and Instrumentation

Specific gravity of a liquid cannot be measured by a/an __________________?

Specific gravity of a liquid cannot be measured by a/an __________________?

A. Anemometer
B. Specific gravity bottle
C. Pycnometer
D. Hydrometer

Read More Specific gravity of a liquid cannot be measured by a/an __________________?

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