Mechanical Operations In a roll crusher, both the rolls All of these Have the same diameter Run either at the same or different speeds Are rotated towards each other All of these Have the same diameter Run either at the same or different speeds Are rotated towards each other ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Ore concentration by jigging is based on the difference in the __________ of the particles. Shape None of these Wettability Specific gravities Shape None of these Wettability Specific gravities ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A screen is said to be blinded, when the Screen is plugged with solid particles Undersizes are retained in oversize fraction Screen capacity is abruptly increased Oversizes are present in undersize fraction Screen is plugged with solid particles Undersizes are retained in oversize fraction Screen capacity is abruptly increased Oversizes are present in undersize fraction ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In closed circuit grinding as compared to open circuit grinding, the Product has lesser size uniformity Production rate at a given limiting size is lower Operation is economical Specific surface of product is more Product has lesser size uniformity Production rate at a given limiting size is lower Operation is economical Specific surface of product is more ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The optimum moisture content in solids to be crushed/ground ranges from __________ percent. 15 to 20 10 to 15 3 to 4 8 to 10 15 to 20 10 to 15 3 to 4 8 to 10 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For laminar flow of filtrate through the cake deposited on septum, which of the following will be valid? Blake-Plummer equation None of these Leva Kozney-Karman equation Blake-Plummer equation None of these Leva Kozney-Karman equation ANSWER DOWNLOAD EXAMIANS APP
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