Explore topic-wise MCQs in Mechanical Operations.

This section includes 4 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.

For coal, wash ability curve based on the float and sink test based on the ________

A. Density separation
B. Differential wettability
C. Size
D. Volatile matter content
Answer» B. Differential wettability
2.

The capacity of a belt conveyor depends upon two factors, if one is the cross section of the load the other is the _______ of the belt.

A. Speed
B. Thickness
C. Length
D. Density
Answer» B. Thickness
3.

A straight line is obtained on plotting reciprocal of filtration rate vs. the volume of the filtrate for ____ flow of filtrate.

A. Compressible cake and laminar
B. Incompressible cake and laminar
C. Compressible cake and turbulent
D. Incompressible cake and turbulent
Answer» C. Compressible cake and turbulent
4.

As particle size is reduced _____

A. Screening becomes progressively more difficult
B. Screening becomes progressively easier
C. Capacity of screen is increased
D. Effectiveness of screen is increased
Answer» B. Screening becomes progressively easier