Advanced Environmental Instrumentation — Summer 2019

Draw the figure of pH electrode and explain its working principle

Define the following Terms: (1)True value (2) Electromagnetic spectrum

(S3t)a tMe tehaen i m(4p)oCrhtaronmcea otofg Aradpvhayn ced Environmental Instrumentation subject in the field of Environmental Engineering.

Give the classification of spectroscopy methods and its application in various fields.

Define the types of determinate errors with at least one example of each.

Explain the principles, instrumentation & applications of AAS.

Write down the application, advantages and disadvantages of Ion Selective Electrode.

Give the difference between Raman Spectroscopy and Infrared Spectroscopy.

Define terms NTU and FTU. Differentiate the terms Turbidimetry and Nephalometry with proper diagrams.

Explain the Column chromatography with neat sketch.

Draw a figure of electromagnetic spectrum indicating different spectral regions with wavelengths and frequencies

Derive and explain Lambert’s and Beer’s law.

Write a short note on IR spectroscopy with principle, instrumentation and applications in environmental analysis.

What is call potentiometry? List advantages of this method in environmental analysis.1

Discuss the application of TOC analyzer in environmental engineering field.

Write a short note on TOC analyzer.

What do you mean by Online sensors?

Write Applications of DO Sensors.

Write down the application, advantages and disadvantages of Ion Selective Electrode.

Differentiate between Accuracy and precision with example

Explain the term Relative Deviation with examples

Analyst reported the following percentage (%) of Feo in a sample: 17.65, 17.70, 17.68, 17.60, 17.58, 17.63 and 17.64. Calculate mean, medium, range, average deviation, relative deviation, standard deviation and co- efficient of variation.

Differentiate between Determinate and Indeterminate Error with example

Define the term Mean and Median.

Write a short note on Frequency distribution curve.