Oil and Grease Removal MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Oil and Grease Removal, a fundamental topic in the field of Waste Water Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Oil and Grease Removal MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Oil and Grease Removal mcq questions that explore various aspects of Oil and Grease Removal problems. Each MCQ is crafted to challenge your understanding of Oil and Grease Removal principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Waste Water Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Oil and Grease Removal MCQs are your pathway to success in mastering this essential Waste Water Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Oil and Grease Removal. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Oil and Grease Removal knowledge to the test? Let's get started with our carefully curated MCQs!

Oil and Grease Removal MCQs | Page 8 of 9

Q71.
________ is called ‘zero speed’.
Discuss
Answer: (a).Circular DAF
Q72.
What is the rotation time of the top bridge of DAF?
Discuss
Answer: (c).3 minutes
Q73.
What is the tank water depth?
Discuss
Answer: (c).18”
Q74.
What does the performance of a Dissolved air floatation depend on?
Discuss
Answer: (a).Air to solid ratio
Q75.
What are the typical A/S ratios encountered in a Dissolved air floatation method?
Discuss
Answer: (b).0.005-0.06
Q76.
Which of these pollutants is removed by Dissolved air floatation?
Discuss
Answer: (b).Emulsified oil
Q77.
What portion of the Dissolved air floatation effluent is recycled?
Discuss
Answer: (d).15-20%
Q78.
What is dispersed air floatation used to remove?
Discuss
Answer: (a).Emulsified oil and suspended solids
Q79.
What is the pressure supplied for a dissolved air flotation process?
Discuss
Answer: (c).2.75-3.75 bar
Q80.
Which of these chemicals is not used during Dissolved air floatation?
Discuss
Answer: (d).Magnesium salts
Page 8 of 9