Chemical Engineering - Fuels and Combustion
Exercise :: Fuels and Combustion - Section 7
| 1. |
The calorific value of natural gas is about __________ kcal/Nm3. |
Answer: Option A
Explanation:
|
| 2. |
Low temperature carbonisation of coal takes place at __________ °C. |
Answer: Option C
Explanation:
|
| 3. |
Critical Air Blast (CAB) value of coke is a direct measure of its |
| A. |
reactivity | | B. |
hardness | | C. |
strength | | D. |
none of these |
Answer: Option A
Explanation:
|
| 4. |
The function of secondary combustion air is to |
| A. |
pneumatically convey the pulverised coal. | | B. |
completely burn the volatile matter. | | C. |
burn the lumpy coal. | | D. |
none of these. |
Answer: Option B
Explanation:
|
| 5. |
The ratio of maximum adiabatic flame temperature in air to that in pure oxygen is always |
Answer: Option B
Explanation:
|
