| 1 |
Which woody raw material is used for the manufacture of paper pulp |
- A. Cotton
- B. Biogases
- C. Rice straw
- D. Poplar
|
| 2 |
The word paper is derived from the name of which reedy plant |
- A. Rose
- B. Sun flower
- C. Papyrus
- D. Water Hyacinth
|
| 3 |
Which elements are needed for healthy growth of plants |
- A. N,S,P
- B. N,Ca,P
- C. N,P,K
- D. N,K,C
|
| 4 |
The nitrogen present to some fertilizers helps plants to |
- A. Fight against diseases
- B. Produce fat
- C. Undergo photosynthesis
- D. Produce protein
|
| 5 |
Setting process of cement is based upon |
- A. Hydrolysis
- B. Hydration
- C. Dehydration
- D. Botha a and b
|
| 6 |
Which nitrogen fertilizer make the soil acdic. |
- A. Calcium nitrate
- B. sodium nitrate
- C. Potassium nitrate
- D. Ammonium nitrate
|
| 7 |
One of following is argillaceous material |
- A. Marble
- B. Clay
- C. Lime
- D. Marine Shell
|
| 8 |
How many zones through which the charge passes in a rotary kiln |
|
| 9 |
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
|
| 10 |
Conversion of ammonium carbamate into urea is |
- A. Hydrolysis
- B. Hydrogenation
- C. Hydration
- D. Dehydration
|