Molten ammonium nitrate is mixed with ground limestone in fertilizer plant in a__________________?

Related Mcqs:

1. The energy required per unit mass to grind limestone particles of very large size to 100 μm is 12.7 kWh/ton. An estimate (using Bond’s law) of the energy to grind the particles from a very large size to 50 μm is________________?

   A. 6.35 kWh/ton
   B. 9.0 kWh/ton
   C. 18 kWh/ton
   D. 25.4 kWh/ton

2. Limestone is normally crushed in a _____________________?

   A. Roll crusher
   B. Hammer crusher
   C. Ball mill
   D. Tube mill

3. Dispersion of a gas through liquid is done by using a__________________?

   A. Sparger
   B. Kneader
   C. Masticator
   D. None of these

4. For grinding of cereals, grains, spices, pigments, saw dust, cork etc., the most extensively used size reduction equipment is a__________________?

   A. Buhrstone mill
   B. Ball mill
   C. Crushing rolls
   D. Hammer mill

5. Fibrous material is broken by a__________________?

   A. Roll-crusher
   B. Squirrel-cage disintegrator
   C. Ball mill
   D. Tube mill

6. _____________ are mixed using ribbon blenders ?

   A. Lumpy solids and low viscosity liquids
   B. Dry powders
   C. High viscosity liquids
   D. Thick pastes

7. The optimum moisture content in solids to be crushed/ground ranges from _______________ percent?

   A. 3 to 4
   B. 8 to 10
   C. 10 to 15
   D. 15 to 20

8. Wheat is ground into flour in a___________________?

   A. Hammer crusher
   B. Roller crusher
   C. Impact mill
   D. Fluid energy mill

9. Energy requirement (per unit mass of material crushed/ground) is highest for__________________?

   A. Jaw crusher
   B. Rod mill
   C. Ball mill
   D. Fluid energy mill

10. Basic slag is not ground in_________________?

    A. Jaw crushers
    B. Ball mills
    C. Compartment mills
    D. Tube mills