Measurement in industry — Winter 2022

What is meant by pH? Discuss any one type of the electrode used for pH measurement.

Discuss Newtonian and non-Newtonian behavior of various fluids in viscosity measurement.

Draw the schematic diagram of a gas chromatograph. Discuss each of its components in detail.

Discuss the terms: “stress” and “strain”.

Compare bonded and unbounded strain gauge. Discuss Semiconductor gauge.

Enlist the properties of ultrasound. Draw block diagram of pulse-echo ultrasound system for displacement measurement with its individual block description

Explain the principle of capacitive displacement transducer along with its advantages and disadvantages.

Discuss the principle of eddy current type proximity sensor

“Excitation frequency in LVDT should be higher than the frequency of core movement”. State True or False. Justify the answer.

How absolute encoder is different from incremental encoder? Draw & discuss 3-bit Gray Coded absolute encoder for angular motion.

Draw the servomechanism application of synchros with an input rotor angle deflection of 30o.

Give the difference between Position sensitive detector and CCD detectors used in Laser transducer.

Draw and explain the construction of LVDT for displacement measurement with its signal processing block diagram.

Discuss the significance of opacity measurement in industry.

How is the conductivity of an aqueous solution defined? How does the dilution affect the Conductivity?

Define paramagnetism. Explain magnetic wind type paramagnetic oxygen analyzer with its merits and demerits.

Define conductivity. Discuss in brief Electrode less method of measuring conductivity.

Discuss bubbler tube method for density measurement.1

Explain thermal conductive analyzer used for gas analysis with its basic principle.

Discuss the basic principle of chromatography.

Give the difference between classical liquid chromatography and HPLC (High-Performance Liquid Chromatography).

Enlist various methods of ionization used in mass spectrometry. Explain any one of them with its basic principle of operation.

Discuss the Ostwald Viscometer.

Explain the basic principle of mass spectrometry.

Explain the principle of UV-Visible absorption spectrometer. Draw & discuss various components of UV-visible absorption spectrophotometer.