| Q.88 | Which of the following statements is correct about the forced-draught fan used in steam boilers? | |
| Ans | 1. The power required by an induced-draught fan may be greater than or less than that required by a forced-draught fan for the same amount of draught. | |
| 2. The power required by an induced-draught fan is less than that required by a forced-draught fan for the same amount of draught. | ||
| 3. The power required by an induced-draught fan is equal to that required by a forced-draught fan for the same amount of draught. | ||
| 4. The power required by an induced-draught fan is greater than that required by a forced-draught fan for the same amount of draught. |
Correct Ans Provided: 4