Explore topic-wise MCQs in Mechanical Operations.

This section includes 9 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.

If the angle of repose is said to be 260, then it is ____

A. Very free flowing
B. Free flowing
C. Cohesive
D. Very cohesive
Answer» B. Free flowing
2.

What are the sizes of a coarse powder?

A. 5 100 mm
B. 0.3 5 mm
C. 100 300 micrometer
D. 5 to 100 micrometer
Answer» D. 5 to 100 micrometer
3.

What are the sizes of a coarse solid?

A. 5 100 mm
B. 0.3 5 mm
C. 10 -100 micrometer
D. < 1 micrometer
Answer» B. 0.3 5 mm
4.

Bulk density of a mixture depends upon ______

A. Weight of particles
B. Density of particles
C. Size of particles
D. Shape of particles
Answer» D. Shape of particles
5.

What does the following represents?
b= a(1- )

A. Relation of particle a and b
B. Relation of bulk and true densities
C. Relation of two void age
D. Can t be specified
Answer» C. Relation of two void age
6.

______ is defined as the mass of the solids divided by volume occupied by the solids.

A. True density
B. Bulk density
C. Void density
D. Mole fraction
Answer» B. Bulk density
7.

______ is the percentage of total volume not occupied by the particles.

A. Free space
B. Void age
C. Open volume
D. Gross volume
Answer» C. Open volume
8.

The selection of material handling system depends upon the constituents particles.

A. True
B. False
Answer» B. False
9.

If the settling is carried out with high concentrations of solids to liquid so that particles close together, the condition is called as _______

A. Hindered settling
B. Terminal settling
C. Gross settling
D. Fundamental settling
Answer» B. Terminal settling