Mechanical Operations Optimum ratio of operating speed to critical speed of a trommel is 1.33-1.45 0.33-0.45 1.5-2.5 0.5-2 1.33-1.45 0.33-0.45 1.5-2.5 0.5-2 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following achieves the least reduction ratio for a given feed size? Gyratory crusher Jaw crusher Roll crusher Cone crusher Gyratory crusher Jaw crusher Roll crusher Cone crusher 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 time zero At the end of filtration, but decreases with time subsequently At the end of filtration When half the filtrate has been obtained At time zero At the end of filtration, but decreases with time subsequently At the end of filtration When half the filtrate has been obtained ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction mechanism used in Jaw crushers is Attrition Cutting Impact Compression Attrition Cutting Impact Compression ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Height of liquid in agitation tank is normally maintained equal to the tank diameter. However, if the tank is too tall and a large liquid hold up is desired, then two or more impellers mounted on the same shaft may be used. The clearance between the tank bottom and the bottom most impeller should be about (where, D = impeller diameter) 0.5 D D 2 D 1.5 D 0.5 D D 2 D 1.5 D ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Laminar flow region is said to exist during agitation of a liquid in an agitator, when the value of Reynolds number is >100 >10 >100 >10 ANSWER DOWNLOAD EXAMIANS APP
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