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This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Mechanical Operations knowledge and support exam preparation. Choose a topic below to get started.
1. |
The moore filter, operates under _______ |
A. | High pressure |
B. | Low pressure |
C. | High head |
D. | Low head |
Answer» C. High head | |
2. |
In S.I. system, the unit of filter medium resistance is _______ |
A. | kg /m2S |
B. | m2/S |
C. | kg /m3S |
D. | m-1 |
Answer» E. | |
3. |
In a filter bed, the liquid flow ________ |
A. | Is laminar |
B. | Is turbulent |
C. | Is between laminar and turbulent |
D. | Cannot be predicted |
Answer» B. Is turbulent | |
4. |
IN_S.I._SYSTEM,_THE_UNIT_OF_FILTER_MEDIUM_RESISTANCE_IS________?$ |
A. | kg /m<sup>2</sup>S |
B. | m<sup>2</sup>/S |
C. | kg /m<sup>3</sup>S |
D. | m<sup>-1</sup> |
Answer» E. | |
5. |
The moore filter, operates under _______$ |
A. | High pressure |
B. | Low pressure |
C. | High head |
D. | Low head |
Answer» C. High head | |
6. |
In a filter bed, the liquid flow _______? |
A. | Is laminar |
B. | Is turbulent |
C. | Is between laminar and turbulent |
D. | Cannot be predicted |
Answer» B. Is turbulent | |
7. |
Filter aids are added to the slurry prior to filtration in order to form _______ |
A. | Compact cakes of low porosity |
B. | Cakes of increased porosity |
C. | Crystalline cakes |
D. | Baked cake |
Answer» C. Crystalline cakes | |
8. |
A rotary drum filter is _______ |
A. | Continuous vacuum filter |
B. | Continuous pressure filter |
C. | Discontinuous pressure filter |
D. | Discontinuous vacuum filter |
Answer» B. Continuous pressure filter | |
9. |
The rotary disc consists of the number of ______ filter mounted. |
A. | Rectangular |
B. | Circular |
C. | Triangular |
D. | Spherical |
Answer» C. Triangular | |
10. |
What is the thickness range for a cake of rotary drum? |
A. | 50 to 60 mm |
B. | 3 to 100 mm |
C. | 100 to 200 mm |
D. | 500 to 1000 mm |
Answer» C. 100 to 200 mm | |
11. |
Careful adjustment of the doctor knife is essential. |
A. | True |
B. | False |
Answer» B. False | |
12. |
When cake is difficult to separate then, a ________ is employed. |
A. | High pressure |
B. | String discharge |
C. | Extra force |
D. | Compressor |
Answer» C. Extra force | |
13. |
When washing is difficult, the cake can be ________ |
A. | Charged |
B. | Discharged |
C. | Compressed |
D. | Decompressed |
Answer» C. Compressed | |