Mechanical Operations Size reduction does not occur due to compression in case of Jaw crushers Rod mills Smooth roll crushers Gyratory crushers Jaw crushers Rod mills Smooth roll crushers Gyratory crushers ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The grinding in a hammer crusher takes place due to the Impact Both A & B Attrition Neither A nor B Impact Both A & B Attrition Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Feed size of ≥ 25 cms can be accepted by 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 specific surface of sherical particles is proportional to (where, Dp = diameter of particle). 1/Dp D²p 1/D²p Dp 1/Dp D²p 1/D²p Dp 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 Silicates & phosphates Carbonates Sulphates Bi-carbonates Silicates & phosphates Carbonates Sulphates Bi-carbonates ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Separation of particles of various sizes, shapes and densities by allowing them to settle in a fluid is called Clarification Thickening Froth floatation Classification Clarification Thickening Froth floatation Classification ANSWER DOWNLOAD EXAMIANS APP
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