Mechanical Operations What is the usual value of angle of nip for crushing of ordinary rock in smooth steel crushing rolls? 40° 16° 32° 46° 40° 16° 32° 46° ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sphericity of raschig ring (whose length and diameter are equal) is 2 >1 1 2 >1 1 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Energy requirement (per unit mass of material crushed/ground) is highest for Ball mill Rod mill Jaw crusher Fluid energy mill Ball mill Rod mill Jaw crusher Fluid energy mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The term 'angle of nip' is concerned with the operation of the __________ crushers. None of these Roll Jaw Gyratory None of these Roll Jaw Gyratory ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A sand mixture was screened through a standard 10-mesh screen. The mass fraction of the oversize material in feed, overflow and underflow were found to be 0.38, 0.79 and 0.22 respectively. The screen effectiveness based on the oversize is 0.58 0.68 0.5 0.62 0.58 0.68 0.5 0.62 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following can be most effectively used for clarification of lube oil and printing ink? Sharpies supercentrifuge Disc-bowl centrifuge Sparkler filter Precoat filter Sharpies supercentrifuge Disc-bowl centrifuge Sparkler filter Precoat filter ANSWER DOWNLOAD EXAMIANS APP
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