What is clinker ?

Related Mcqs:

1. The fertility of the soil is improved by________________?

   A. Rotation of the crops B. Adding lime to the acid salts C. Adding manure and growing legumes D. All...

2. The fertilizers which provide single nutrient from NPK are called ___________ fertilizer?

   A. straight B. compound C. both a and b D. none of the above...

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

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

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

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

5. 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)...

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

   A. 75% lime stone and 25% clay B. 25% lime stone and 75% clay C. 15% lime stone and 55% clay D. 55% lime stone and 15% clay...

7. Which of the following fertilizers is not useful for paddy rice ?

   A. urea B. DAP C. Ammonium sulphate D. Ammonium nitrate...

8. Which of the following potassium fertilizers are more useful for horticultural crops tobacco & potatoes ?

   A. KCI B. KNO3 C. K2SO4 D. KMnO4...

9. Which one of the following is an inorganic fertilizer ?

   A. manure B. urea C. ammonium nitrate D. All...

10. The potassium present in plant help the plant to___________________?

    A. form starch sugar and fibrous material B. ripen the seeds and fruits C. increase the resistance against disease D. all the above statements are correct...