How many zones through which the charge passes in a rotary kiln ?

Related Mcqs:

1. The sequence of zones in the rotary kiln are as____________________?

   A. dry zone burning zone decomposition zone cooling zone
   B. cooling zone burning zone decomposition zone dry zone
   C. burning zone cooling zone decomposition zone
   D. dry zone decomposition zone burning zone cooling zone

2. Cement is a mixture of so many compounds roasted in rotary kiln. Which substances has greater percentage ?

   A. Lime (CaO)
   B. Silica (SiO2)
   C. Alumina (Al2O3)
   D. Magnesia (MgO)

3. Dempsters mass spectrometer has number of zones / parts_________________?

   A. 5
   B. 4
   C. 3
   D. 2

4. The important function of burning zone in the rotary kilm is __________________?

   A. to dry the moisture of slurry
   B. to decompose lime stone to unslaked lime
   C. combination of different oxides like CaO SiO2 Fe2O3 and Al2O3
   D. to reduce the impurities

5. Charge of electron was measured by__________________?

   A. J.J Thomson
   B. Millikan
   C. Rutherford
   D. Perrin

6. Product of charge and distance is called__________________?

   A. Pressure
   B. Bond length
   C. Work
   D. Dipole moment

7. The absolute value of charge on electron was determined by ________ ?

   A. J.J.Thomson
   B. Chadwick
   C. Rutherford
   D. Robert Millikan

   Submitted by: Rashid Mehmood

8. Alpha (α) particles are helium (He) nucleus with a charge of __________ ?

   A. e
   B. 2e
   C. 3e
   D. 4e

   Submitted by: Rashid Mehmood

9. A helium nucleus comprising of two protons and two neutrons with a charge of 2e is _________ ?

   A. Beta particle
   B. Gamma particle
   C. Alpha particle
   D. Negative particle

   Submitted by: Rashid Mehmood

10. The radiations with negative charge are________.

    A. Alpha radiations
    B. Gamma radiations
    C. Beta radiations
    D. positron

    Submitted by: Aamir khan Hullio