Category Archives: Waste Water Engineering MCQ

This set of Waste Water Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Correlation of Mass Transfer with Water Treatment”. 1. Which among the following reactors has important advantages? a) Bubble column bioreactors b) Fluidized bed bioreactors c) Cylindrical orbitally shaken bioreactors d) Continuous stirred tank bioreactors 2. __________ is the net movement of … Read more

This set of Waste Water Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Chemical Reactions Associated with Water Treatment”. 1. The chemical composition of wastewater naturally reflects the origin from which it came. a) True b) False 2. The world’s available fresh water supply is about _______ percent of that total water supply. a) … Read more

This set of Waste Water Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Determination of Chemical Characteristics”. 1. _______ are found in agricultural wastes. a) Pesticides b) Phenols c) Proteins d) Grease 2. _________ is determined by measuring the dissolved oxygen used by microorganisms during the biochemical oxidation of organic matter in 5 days … Read more

This set of Waste Water Engineering Questions and Answers for Freshers focuses on “Characteristics of Wastewater – 2”. 1. Turbidity in water is caused by which of these following? a) Total dissolved solids b) Suspended solids c) Ions d) Heavy metals 2. What is the relationship between turbidity and TSS For a settled secondary effluent? … Read more

This set of Waste Water Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Characteristics of Wastewater – 1”. 1. The surface water quality is affected by _______ and infiltration from rainfall. a) Precipitation b) Run off c) Wetlands d) Farming 2. Function of the intended uses of water can achieve the desired water quality. … Read more

This set of Waste Water Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Blowers”. 1. Aeration energy consumes _______ of all electrical usage. a) 30% b) 40% c) 60% d) 80% 2. Which of the following is created by blowers? a) Air flow b) Water flow c) Wastewater flow d) Vacuum flow 3. Proper … Read more

This set of Waste Water Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Autoclaves”. 1. ________ is a pressure chamber used to carry out processes at high temperature and pressure. a) Oven b) Micro clave c) Autoclave d) Hot air oven 2. Autoclaves are used in the medical applications to perform ______ a) Vulcanization … Read more

This set of Waste Water Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Different Types of Valves”. 1. What is the function of a butterfly valve? a) On/ off control b) Flow regulation c) Pressure control d) Hydraulic control 2. Which of the following valves is better for on/ off control? a) Ball valve … Read more

This set of Waste Water Engineering Interview Questions and Answers focuses on “Pumps & Pumping Stations – 2”. 1. Pumping stations are necessary where pressures have to be decreased. a) True b) False 2. The most expensive part is the energy supply for pumps. a) True b) False 3. To reduce the expenses, the pumps … Read more

This set of Waste Water Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Pumps & Pumping Stations – 1”. 1. An apparatus for raising, driving or compressing fluids or gases is called _________ a) Piston b) Pump c) Compressor d) Force drive 2. ________ pumps produce a head and a flow by increasing the … Read more