The composition of mixture of clay and lime stone in the raw for cement material is __________________?

Related Mcqs:

1. Which one of the following raw material is not present in the cement ?

   A. lime stone
   B. gypsum
   C. KNO3
   D. iron oxide

2. Soda lime is a mixture of____________________?

   A. CaO and KOH
   B. CaO and NaOH
   C. NaOH and Na2O
   D. Na2O and KOH

3. Cement is a mixture of________________?

   A. clay and clinker
   B. clay lime stone and gypsum
   C. lime stone and gypsum
   D. lime stone and clay

4. 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)

5. Which one of the following set of raw material is most suitable for manufacture of urea ?

   A. CH4 N2 and CO2
   B. H2 N2 and CO
   C. H2 CO2 and H2O
   D. H2O N2 and H2

6. Which of the following is used with milk of lime to kill fungus and molds?

   A. Chlorine
   B. Silver nitrate
   C. Copper Sulfate
   D. Nitric acid

   Submitted by: Muhammad Kamal

7. Which of the following processes is used for the synthesis of cement ?

   A. dry process
   B. wet process
   C. both
   D. none

8. Which sequence of steps is correct for the manufacture of cement ?

   A. crushing heating mixing grinding
   B. crushing mixing heating grinding and mixing
   C. crushing grinding mixing heating
   D. mixing heating grinding crushing

9. Which of following is known as Blue Vitriol or Blue Stone?

   A. AgNO3
   B. CuSO4.5H2O
   C. K2Cr2O7
   D. K2CrO4

   Submitted by: Muhammad Kamal

10. The composition of ‘ Golden spangles is_________?

    A. PbCrO4
    B. PbI2
    C. As2Cr2O7
    D. BaCrO4

    Submitted by: Muhammad Ali Kunbhar