Mechanical Operations Quiz Questions & Answers Pdf - 2

Question: 6

The resistance offered by cake to the flow of filtrate is

(A) largest at a location immediately adjacent to the filter medium

(B) largest at the free cake surface

(C) smallest at a location immediately adjacent to the filter medium

(D) smallest at the free cake surface

Question: 7

A screen is said to be blinded, when the

(A) screen is plugged with solid particles

(B) screen capacity is abruptly increased

(C) oversizes are present in undersize fraction

(D) undersizes are retained in oversize fraction

Question: 8

Which of the following is a coarse crusher?

(A) conical crusher

(B) jaw crusher

(C) single roll crusher

(D) disc crusher

Question: 9

For efficient grinding, ball mills must be operated

(A) with minimum possible small balls

(B) at a speed equal to the critical speed

(C) at a speed more than the critical speed

(D) at a speed less than the critical speed

Question: 10

Which of the following screens has the maximum capacity?

(A) shaking screen

(B) vibrating screen

(C) grizzlies

(D) trommels