MCQOPTIONS
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MCQOPTIONS
This section includes 18 Mcqs, each offering curated multiple-choice questions to sharpen your Civil Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In tank slaking, the second tank (60-75cm deep) is filled with: |
| A. | Water |
| B. | Lime-milk |
| C. | Lime |
| D. | Limestone |
| Answer» C. Lime | |
| 2. |
How many brick lined tanks are used in tank slaking method? |
| A. | 2 |
| B. | 1 |
| C. | 4 |
| D. | 3 |
| Answer» B. 1 | |
| 3. |
Slaking of lime refers to: |
| A. | Mixing NaCl in hydraulic lime |
| B. | Mixing water in quick lime |
| C. | Mixing water in limestone |
| D. | Mixing NaCl in quick lime |
| Answer» C. Mixing water in limestone | |
| 4. |
SLAKING_OF_LIME_REFERS_TO:?$ |
| A. | Mixing NaCl in hydraulic lime |
| B. | Mixing water in quick lime |
| C. | Mixing water in limestone |
| D. | Mixing NaCl in quick lime |
| Answer» C. Mixing water in limestone | |
| 5. |
In tank slaking, the second tank (60-75cm deep) is filled with:$ |
| A. | Water |
| B. | Lime-milk |
| C. | Lime |
| D. | Limestone |
| Answer» C. Lime | |
| 6. |
How many brick lined tanks are used in tank slaking method?$ |
| A. | 2 |
| B. | 1 |
| C. | 4 |
| D. | 3 |
| Answer» B. 1 | |
| 7. |
Why is the middle portion in a continuous kiln widened? |
| A. | To accommodate more fuel |
| B. | To collect lime at bottom |
| C. | To allow the flow of limestone from top |
| D. | To accommodate hot gases of combustion |
| Answer» E. | |
| 8. |
Rate of hydration (slaking) does not depend on: |
| A. | Degree of burning of lime |
| B. | Degree of agitation |
| C. | Atmospheric conditions |
| D. | Composition of lime |
| Answer» D. Composition of lime | |
| 9. |
The quantity of water to be added for hydrating 100kg of lime is: |
| A. | 10 litres |
| B. | 1 litre |
| C. | 15 litres |
| D. | 32 litres |
| Answer» E. | |
| 10. |
The lime-milk can be utilized after and for: |
| A. | 2-3 days for putty |
| B. | 2-3 hours for putty |
| C. | 2-3 days for waste water treatment |
| D. | 2-3 hours for waste water treatment |
| Answer» B. 2-3 hours for putty | |
| 11. |
Which one of the following is an advantage of Kiln burning over clamp burning? |
| A. | Burning is not complete |
| B. | Requires more fuel |
| C. | No wastage of lime |
| D. | Time effective |
| Answer» E. | |
| 12. |
In which feed type kiln, limestone does not come in contact with fuel? |
| A. | Single feed |
| B. | Isolated feed |
| C. | Separate feed |
| D. | Mixed feed |
| Answer» D. Mixed feed | |
| 13. |
The temperature at which standard Gibbs free energy is zero for calcination reaction is called: |
| A. | Absolute temperature |
| B. | Negative temperature |
| C. | Transition temperature |
| D. | Thermal decomposition temperature |
| Answer» E. | |
| 14. |
Which of the following is not an example of Calcination process? |
| A. | Decomposition of Calcium Chlorate |
| B. | Decomposition of volatile matter in petroleum coke |
| C. | Removal of ammonium ions in synthesis of zeolites |
| D. | Decomposition of hydrated minerals |
| Answer» B. Decomposition of volatile matter in petroleum coke | |
| 15. |
The term Calcination comes from: |
| A. | Greek word Calcinare |
| B. | Latin word Calcinare |
| C. | Greek word Calcinate |
| D. | Latin word Calcinate |
| Answer» C. Greek word Calcinate | |
| 16. |
How can one understand the completion of the burning of lime? |
| A. | Blue flame at the top disappears |
| B. | Blue flame appears at the top |
| C. | Smoke is released in huge quantity |
| D. | Red flame appears at the top |
| Answer» B. Blue flame appears at the top | |
| 17. |
How is the arrangement in a clamp, if the fuel used is coal? |
| A. | Stacked in alternate layers |
| B. | Placed on a platform |
| C. | Mixed and poured into a basin |
| D. | Heaped |
| Answer» E. | |
| 18. |
Which of the following methods yields quick, small supplies of Quick Lime? |
| A. | Intermittent kiln |
| B. | Continuous kiln |
| C. | Clamp burning |
| D. | Kankar burning |
| Answer» D. Kankar burning | |