Identify the incorrect statement from the following:

Mechanical Operations MCQs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

PPSCFPSCNTSPakistan govt jobs
Subject
Mechanical Operationschemical-engineering › mechanical-operations
Published
7 Mar 2019
Last updated
28 May 2026

Browse all Mechanical Operations MCQs

Choose the correct answer

Explanation

Option D is incorrect because a 200 mesh screen actually has 200 openings per linear inch, not per linear centimeter. The other statements are accurate: hammer crushers operate by impact, standard screens have circular openings, and higher mesh numbers correspond to smaller opening sizes.

PakQuizHub — free MCQs and past papers for Pakistan government job tests. Content is for educational practice only.