- (A) Impact
- (B) Compression
- (C) Attrition
- (D) Cutting
Exam preparation MCQs with answers
Practice Pakistan's most useful MCQs for competitive exams
Prepare for NTS, PPSC, FPSC and subject-wise tests with fresh multiple choice questions, clear options and quick answer reveal.
Latest MCQs
- (A) Decreases
- (B) Increases
- (C) Remains unchanged
- (D) May increase or decrease; depends on the machine
- (A) Energy consumption
- (B) Final particle size
- (C) Feed size
- (D) None of these
- (A) Disks have very sharp edge
- (B) Solids are not deposited at the edge of the disk
- (C) Bulk of the solids are removed at the periphery of the disks
- (D) None of these
- (A) Tubular centrifuge
- (B) Clarifier
- (C) Sparkler filter
- (D) Vacuum leaf filter
- (A) Apron
- (B) Belt
- (C) Screw
- (D) Flight
- (A) Banbury mixer
- (B) Pug mill
- (C) Impact wheels
- (D) Kneader
- (A) Size of the product (at constant feed size)
- (B) Capacity of the crushing machine
- (C) Size of feed (at constant reduction ratio)
- (D) All
- (A) Gape is the greatest distance between the crushing surfaces or the jaws
- (B) The angle of nip (2α) is the angle between roll faces at the level where they will just take hold of a particle and draw it in the crushing zone
- (C) Crushing efficiency is the ratio of the energy absorbed by the solid to the surfaces energy created by crushing
- (D) Reduction ratio is the ratio of the maximum size of the particles in the feed to that in the product
- (A) Filter cloth
- (B) Embedded particles in the septum
- (C) Filter cloth and the embedded particle collectively
- (D) None of these
