MCQOPTIONS
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				| 1. | 
                                    Natural draft created by the chimney depends upon | 
                            
| A. | temperature of the flue gas. | 
| B. | its height. | 
| C. | both (a) & (b). | 
| D. | neither (a) nor (b). | 
| Answer» D. neither (a) nor (b). | |