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.

Lamella Clarifier works on which principle?

A. tCocurrent settling
B. tCountercurrent settling
C. tCross flow settling
D. tHindered settling
Answer» C. tCross flow settling
2.

When will the particles settle in a tank which is subjected to countercurrent settling?

A. tV&lt;(V<sub> </sub> V sin )/v cos
B. tV&gt;= V<sub> </sub>/v cos
C. tV&gt;= (V<sub> </sub> V sin )/v cos
D. tV&lt;V<sub> </sub>/v cos
Answer» D. tV&lt;V<sub> </sub>/v cos
3.

How is the length of the surface calculated in case of countercurrent settling?

A. tL<sub>p</sub>=wV<sub> </sub>/ v cos
B. tL<sub>p</sub>=(V<sub> </sub> V sin )/ v cos
C. tL<sub>p</sub>=w(V<sub> </sub> V sin )
D. tL<sub>p</sub>=w(V<sub> </sub> V sin )/ v cos
Answer» E.
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