MCQOPTIONS
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				| 1. | 
                                    _For maximum discharge through a chimney, the condition is that height of hot gas column producing the draught should be$? | 
                            
| A. | One-half the height of chimney | 
| B. | Equal to the height of chimney | 
| C. | Two times the height of chimney | 
| D. | Four times the height of chimney | 
| Answer» C. Two times the height of chimney | |