Mechanical Operations For a sphere falling in the constant drag co-efficient regime, its terminal velocity depends on its diameter (d) as √d D 1/d D² √d D 1/d D² ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In constant pressure filtration, Resistance decreases with time Rate of filtration is constant Rate of filtration increases with time Rate of filtration decreases with time Resistance decreases with time Rate of filtration is constant Rate of filtration increases with time Rate of filtration decreases with time ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a size reduction crushing operation, the feed size is 10 to 50 mm, while the product size is 2 to 10 mm. This is a case of __________ crushing. Fine Secondary Primary Ultrafine Fine Secondary Primary Ultrafine 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) 1.5 D 2 D 0.5 D D 1.5 D 2 D 0.5 D D ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A filter press is Not suitable, if the liquid is the main product Having prohibitively high maintenance cost Not suitable for wide range of materials under varying operating conditions of cake thickness and pressure A batch filter Not suitable, if the liquid is the main product Having prohibitively high maintenance cost Not suitable for wide range of materials under varying operating conditions of cake thickness and pressure A batch filter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations During agitation of liquids, power consumption during laminar flow is not proportional to the Square of rotational speed Cube of impeller diameters Viscosity of the liquid Density of the liquid Square of rotational speed Cube of impeller diameters Viscosity of the liquid Density of the liquid ANSWER DOWNLOAD EXAMIANS APP
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