Explore topic-wise MCQs in Mechanical Operations.

This section includes 3 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.

A screen is said to be blinded when the _________

A. Oversized is present in the undersize fraction
B. Undersized is present in the oversize fraction
C. Screen is plugged with solid particles
D. Screen capacity is abruptly increased
Answer» B. Undersized is present in the oversize fraction
Discussion
2.

Size measurement of ultrafine particles can be best expressed in terms of _______

A. Cm
B. Screen size
C. Micron
D. Surface area per unit mass
Answer» E.
Discussion
3.

Ultrafine grinders operate principally by _________

A. Slow compression
B. Impact
C. Attrition
D. Cutting action
Answer» D. Cutting action
Discussion