1000+ Mechanical Operations MCQ Questions & Answers Pdf - 1

Question: 1

Fluid energy mill comes in the category of

(A) ultrafine grinder

(B) cutter

(C) crusher

(D) grinder

Question: 2

The filtrate flow rate in constant pressure filtration

(A) may increase or decrease depends on the pressure

(B) remains constant throughout

(C) continuously increases

(D) continuously decreases

Question: 3

In a gyratory crusher size reduction is effected primarily by

(A) attrition

(B) impact

(C) cutting action

(D) compression

Question: 4

The stress pressure is

(A) zero at the filter medium

(B) maximum at the filter medium

(C) maximum at the upstream face

(D) minimum at the filter medium

Question: 5

Driving force in case of filtration by a centrifuge is the

(A) narrow diameter of the vessel

(B) formation of highly porous cake

(C) speed f the centrifuge

(D) centrifugal pressure exerted by the liquid