Mechanical Operations In a roll crusher, the specific power consumption and the production rate is affected by the Reduction ratio Differential roll speed Neither A nor B Both A & B Reduction ratio Differential roll speed Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction of asbestos and mica is done by Crushing rolls Hammer mills Rod mills Gyratory crushers Crushing rolls Hammer mills Rod mills Gyratory crushers 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 0.5 0.62 0.68 0.58 0.5 0.62 0.68 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A pebble mill Both B and C Is a tube mill lined with ceramic or other non-metallic liner Is a ball mill Employs flints or ceramic pebbles as the grinding medium Both B and C Is a tube mill lined with ceramic or other non-metallic liner Is a ball mill Employs flints or ceramic pebbles as the grinding medium ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations During washing of filter at the end of constant pressure filtration, the rate of washing equals the rate of filtration At the end of filtration At the end of filtration, but decreases with time subsequently When half the filtrate has been obtained At time zero At the end of filtration At the end of filtration, but decreases with time subsequently When half the filtrate has been obtained At time zero ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Agglomeration of individual particles into clusters (flocs) is called flocculation. To prevent flocculation, the most commonly used dispersing agents are Sulphates Bi-carbonates Silicates & phosphates Carbonates Sulphates Bi-carbonates Silicates & phosphates Carbonates ANSWER DOWNLOAD EXAMIANS APP
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