 
			 
			MCQOPTIONS
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				This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Concrete Technology knowledge and support exam preparation. Choose a topic below to get started.
| 1. | Which aggregates have low shrinkage? | 
| A. | Grave | 
| B. | Sand stone | 
| C. | Quartz | 
| D. | Granite | 
| Answer» D. Granite | |
| 2. | Which aggregates have high shrinkage? | 
| A. | Grave | 
| B. | Sand stone | 
| C. | Quartz | 
| D. | Granite | 
| Answer» C. Quartz | |
| 3. | From the below figure, what is C here? | 
| A. | Grave | 
| B. | Sand stone | 
| C. | Quartz | 
| D. | Granite | 
| Answer» D. Granite | |
| 4. | From the below figure, what is B here? | 
| A. | Grave | 
| B. | Sand stone | 
| C. | Quartz | 
| D. | Granite | 
| Answer» E. | |
| 5. | From the below figure, what is A here? | 
| A. | Grave | 
| B. | Sand stone | 
| C. | Quartz | 
| D. | Granite | 
| Answer» B. Sand stone | |
| 6. | If the concrete is placed in 100% relative humidity for a length of time then there WON’T be any shrinkage. | 
| A. | True | 
| B. | False | 
| Answer» B. False | |
| 7. | WHICH_AGGREGATES_HAVE_HIGH_SHRINKAGE??$ | 
| A. | Grave | 
| B. | Sand stone | 
| C. | Quartz | 
| D. | Granite | 
| Answer» C. Quartz | |
| 8. | Which_aggregates_have_low_shrinkage?$ | 
| A. | Grave | 
| B. | Sand stone | 
| C. | Quartz | 
| D. | Granite | 
| Answer» D. Granite | |
| 9. | The magnitude of autogenous shrinkage is ________ | 
| A. | .001 | 
| B. | .0001 | 
| C. | .01 | 
| D. | .1 | 
| Answer» D. .1 | |
| 10. | “If the concrete is placed in 100% relative humidity for a length of time then there WON’T be any shrinkage”. Is it true or false?$ | 
| A. | True | 
| B. | False | 
| Answer» B. False | |
| 11. | It is observed that 66-85% of the 20 years shrinkage occurs in _____ | 
| A. | 2 weeks | 
| B. | 3 months | 
| C. | 6 months | 
| D. | 1 year | 
| Answer» E. | |
| 12. | It is observed that 40-80% of the 20 years shrinkage occurs in _____________ | 
| A. | 2 weeks | 
| B. | 3 months | 
| C. | 6 months | 
| D. | 1 year | 
| Answer» C. 6 months | |
| 13. | It is observed that 14-34% of the 20 years shrinkage occurs in ________ | 
| A. | 2 weeks | 
| B. | 3 months | 
| C. | 6 months | 
| D. | 1 year | 
| Answer» B. 3 months | |