Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

What is the removal of fine particle sand dissolved solids called?

A. Filtration
B. Sedimentation
C. Deoxidation
D. Disinfection
Answer» B. Sedimentation
2.

_________ is simply detaining water for a sufficient time.

A. Coagulation
B. Flocculation
C. Sedimentation
D. Filtration
Answer» D. Filtration
3.

What did the structures use to prevent floating matter that enters into pumps and pumping systems?

A. Aeration units
B. Screens
C. Grit chamber
D. Bioreactor
Answer» C. Grit chamber
4.

Unit operations are the ______ operations to remove the impurities.

A. Physical
B. Chemical
C. Biological
D. Biochemical
Answer» B. Chemical
5.

Solids concentration will be ________ in water than wastewater.

A. More
B. Less
C. Equal to
D. Similar
Answer» C. Equal to
6.

Refrigeration is a mass transfer process.

A. True
B. False
Answer» C.
7.

Separation is a unit operation.

A. True
B. False
Answer» B. False