Mechanical Operations Filtration rate through a filter cake is proportional to (where, S = filtering surface R = specific cake resistance μ = viscosity of the filtrate) 1/R S All of these 1/μ 1/R S All of these 1/μ ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In coal washeries, three products namely the valuable product (i.e. clean/washed coal), discarded product (i.e. mineral matter) and an additional concentrated product called __________ is produced. Concentrate Tailing None of these Middling Concentrate Tailing None of these Middling ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Range of compressibility co-efficient of the commercial compressible cake obtained in filtration operation is 0.2 to 0.8 0.1 to 0.3 0.01 to 0.1 0.2 to 0.4 0.2 to 0.8 0.1 to 0.3 0.01 to 0.1 0.2 to 0.4 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Shape factor for a cylinder whose length equals its diameter is 2.0 1.0 0.5 1.5 2.0 1.0 0.5 1.5 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The maximum slope of a belt conveyor can be 30° 45° 15° 60° 30° 45° 15° 60° ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For efficient grinding, ball mills must be operated With minimum possible small balls At a speed less than the critical speed At a speed more than the critical speed At a speed equal to the critical speed With minimum possible small balls At a speed less than the critical speed At a speed more than the critical speed At a speed equal to the critical speed ANSWER DOWNLOAD EXAMIANS APP