Which of the following is used to control the agitation speed?

Who gave the treatment of strain gauge measurements?

In which of the following valve a sliding disc is moved in or out of flow path?

Which of the following valve consists of a tapered plug?

Which of the following valve consists of a disc which rotates about a shaft in a housing?

What is the function of check valves?

Which of the following valve is the most widely used in the design of the fermenter?

The pinch valve consists of a sleeve closed by pinch bar.

Load cells are used for the measurement of pressure.

Which of the following is used as an electrolyte in the galvanic electrode?

Which of the following is not used in DO measurement?

Which of the following is not the type of paramagnetic gas analyzers?

Which of the following has a dumbbell shape?

Which of the following is not used for monitoring the pH?

What is the value of Faraday’s constant?

Thermomagnetic is a ‘wind type’ analyzer.

Nitric oxide exhibits the paramagnetic property.

Which of the following organization developed Ion-specific sensors?

Who developed the sterilized penicillinase electrodes?

Who developed the technique to measure glucose in a lactic acid fermentation?

Which of the following is not a type of Automatic control system?