MCQOPTIONS
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				| 1. | 
                                    Reinglemann chart is used for the measurement of the | 
                            
| A. | combustibles present in automobile exhaust. | 
| B. | smoke density from a chimey. | 
| C. | exhaust gas density. | 
| D. | flue gas temperature. | 
| Answer» C. exhaust gas density. | |