Mechanical Operations Which of the following crushers can be considered as a combination of a jaw crusher and a roller crusher? Ball mill Fluid energy mill Gyratory crusher Rod mill Ball mill Fluid energy mill Gyratory crusher Rod mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Balls for ball mills are never made of Alloy steel Lead Cast iron Forged/cast steel Alloy steel Lead Cast iron Forged/cast steel ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not accomplished by agitation of liquids in agitators? Suspending solid particles Blending of immiscible liquids Dispersing gas in liquid Dispersing immiscible liquid in form of emulsion Suspending solid particles Blending of immiscible liquids Dispersing gas in liquid Dispersing immiscible liquid in form of emulsion ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The power number for a stirred tank becomes constant at high Reynolds number. In this limit, the variation of power input with impeller rotational speed (N) is proportional to N° N³ N¹ N² N° N³ N¹ N² ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size measurement of ultrafine particles can be best expressed in terms of Centimetre Micron Screen size Surface area per unit mass Centimetre Micron Screen size Surface area per unit mass ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A tube mill compared to a ball mill Has a higher length/diameter ratio Uses much larger balls Produces a coarser product Has a higher diameter/length ratio Has a higher length/diameter ratio Uses much larger balls Produces a coarser product Has a higher diameter/length ratio ANSWER DOWNLOAD EXAMIANS APP
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