For a sphere falling in the constant drag co-efficient regime, its terminal velocity depends on its diameter (d) as 1/d D² D √d TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following conveyors cannot be recommended for transportation of abrasive materials? Flight conveyor Belt conveyor Apron conveyor Chain conveyor TRUE ANSWER : ? YOUR ANSWER : ?
Screen efficiency is Rejection None of these Recovery Recovery/rejection TRUE ANSWER : ? YOUR ANSWER : ?
In filtration, the use of 'filter aid' helps in Deplugging the filter medium Accelerating the rate of filtration Enhancing the cake porosity in case of a dense impermeable cake Reducing the filtration pressure TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is the most suitable for cleaning of fine coal dust (<0.5 mm)? Trough washer Baum jig washer Spiral separator Froth floatation TRUE ANSWER : ? YOUR ANSWER : ?
Introduction of slurry in a plate and frame filter press is done through a plate in each frame. The plate of this filter has a __________ surface. Curved Ribbed Either A or B Plane TRUE ANSWER : ? YOUR ANSWER : ?
Vertical transportation of materials can be done by a/an Both B & C Apron conveyor Pneumatic conveyor Bucket elevator TRUE ANSWER : ? YOUR ANSWER : ?
The capacity of a pneumatic conveying system depends upon the Bulk density of materials Diameter of the conveying line Pressure of the conveying air All of these TRUE ANSWER : ? YOUR ANSWER : ?
In closed circuit grinding as compared to open circuit grinding, the Production rate at a given limiting size is lower Specific surface of product is more Operation is economical Product has lesser size uniformity TRUE ANSWER : ? YOUR ANSWER : ?
Fluid energy mill comes in the category of Crusher Grinder Ultrafine grinder Cutter TRUE ANSWER : ? YOUR ANSWER : ?