Questions and answers for exam Preparation

MCQs

Total Questions : 2215 | Page 218 of 222 pages

Question 2171. Which of the following is a coarse crusher ?

Smooth roll crusher
Toothed roll crusher
Gyratory crusher
Tube mill

Discuss Question

Answer: Option C. -> Gyratory crusher
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 2172. A _____________ mixer resembles a ball mill without balls?

Banbury
Pug mill
Tumbling
Pan

Discuss Question

Answer: Option C. -> Tumbling
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 2173. In case of a plate and frame filter press, filtrate flow through the cake follows _______________ flow?

Plug
Turbulent
Laminar
None of these

Discuss Question

Answer: Option C. -> Laminar
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 2174. Grindability of a material does not depend upon its_____________________?

Elasticity
Hardness
Toughness
Size

Discuss Question

Answer: Option D. -> Size
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 2175. Work index is defined as the_________________?

Gross energy (kWh/ton of feed) needed to reduce very large feed to such a size that 80% of the product passes through a 100 micron screen
Energy needed to crush one tonne of feed to 200 microns
Energy (kWh/ton of feed) needed to crush small feed to such a size that 80% of the product passes a 200 mesh screen
Energy needed to crush one ton of feed to 100 microns

Discuss Question

Answer: Option A. -> Gross energy (kWh/ton of feed) needed to reduce very large feed to such a size that 80% of the product passes through a 100 micron screen
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 2176. __________ conveyor is the most suitable for short distance transportation of non-abrasive loose materials like garbage, grain, food wastes etc?

Flight
Screw
Drag
Belt

Discuss Question

Answer: Option A. -> Flight
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 2177. Fibrous material is broken by a__________________?

Roll-crusher
Squirrel-cage disintegrator
Ball mill
Tube mill

Discuss Question

Answer: Option B. -> Squirrel-cage disintegrator
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 2178. _____________ conveyors are also called scrapers?

Apron
Screw
Helical flight
Both B. & C.

Discuss Question

Answer: Option D. -> Both B. & C.
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 2179. Sorting classifiers employing differential settling methods for separation of particles make use of the differences in their_________________?