Explore topic-wise MCQs in Mechanical Operations.

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