Instrumentation and Control

This quiz contains multiple-choice problems on temperature and pressure measurement, agitation, foam sensing and values, dissolved oxygen monitoring, chemical factors analysis and fermentation technology computer applications.

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Which of the following sensor is used to measure the change in flow rate?

Temperature Weight Medium analysis Exit-gas analysis

Which of the following temperature sensors is not used for a temperature measurement?

Non-electrical type Electrical type Magnetic type Radiation type

Which of the following is made up of mixtures of pure oxides of iron and nickel?

Thermistors Mercury thermometers Radiation thermometers Metallic thermometers

Which of the following devices is not used for pressure measurement?

Diaphragm gauge Pressure bellows Strain gauge Dynamometer

Who invented the Bourdon tube?

Eugene Howe Flynn Royce

Which of the following measures the pressure with change in electrical resistance?

Bourdon tube Pressure bellows Strain gauge Diaphragm gauge

Which of the following sensor is not a part of the fermenter?

On-line In-line Off-line Out-line

Which of the following parameters is not useful in the construction of pressure bellows?

Hysteresis Sensitive to changing pressures Corrosion pH

Which of the followings sensor penetrates into the fermenter?

Exhaust-gas analyzers

pH electrodes

Tachometers

Load cells

Which of the following sensors is used to measure the acid/alkali addition?

Redox

Temperature

Oxygen

The heat control at large-scale in the fermenter is carried out by

Inter heating coils

Heating jacket

Controlled bath

Cold-water circulation

If the two metals have different temperature coefficient then, they are useful in making

Manometric thermometer

Gas thermometer

Bimetallic thermometer

Digital thermometer

An antifoam probe is a type of offline sensor. True or false?

True

False

Ion-specific sensors are types of online sensors. True or false?

True

False

Resistance _ with an increase in temperature.

Increases

Decreases

Becomes constant

Becomes zero

Quiz/Test Summary

Title: Instrumentation and Control

Questions: 15

Contributed by:

Ivan Mon, Apr 18, 2022 07:35 AM UTC

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