MCQOPTIONS
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				| 1. | 
                                    An ordinary Portland cement when tested for its fineness, should not leave any residue on I.S.sieve No. 9, more than | 
                            
| A. | 5 % | 
| B. | 10 % | 
| C. | 15 % | 
| D. | 20 % | 
| Answer» C. 15 % | |