Mechanical Operations Optimum ratio of operating speed to critical speed of a trommel is 1.33-1.45 0.5-2 0.33-0.45 1.5-2.5 1.33-1.45 0.5-2 0.33-0.45 1.5-2.5 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Vertical transportation of materials can be done by a/an Bucket elevator Apron conveyor Pneumatic conveyor Both B & C Bucket elevator Apron conveyor Pneumatic conveyor Both B & C ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Rittinger number which designates the new surface prduced per unit of mechanical energy absorbed by the material being crushed, depends on the All of these State or manner of application of the crushing force Elastic constant of the material Ultimate strength of the material All of these State or manner of application of the crushing force Elastic constant of the material Ultimate strength of the material ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Use of grinding aids results in the Both A & B Neither A nor B Enhanced production rate Finer products Both A & B Neither A nor B Enhanced production rate Finer products ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a size reduction crushing operation, feed size is 300 to 1500 mm while the product size is 100 to 300 mm. This is a case of the __________ crushing. Ultrafine Primary Secondary Fine Ultrafine Primary Secondary Fine ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Specific surface area is the surface area of a unit __________ of materials. Weight Neither A nor B Volume Either A or B Weight Neither A nor B Volume Either A or B ANSWER DOWNLOAD EXAMIANS APP
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