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Which of the following statements are TRUE about an SQL query? P: An SQL query can contain a HAVING clause even if it does not have a GROUP BY clause Q: An SQL query can contain a HAVING clause only if it has a GROUP BY clause R: All attributes used in the GROUP BY clause must appear in the SELECT clause S: Not all attributes used in the GROUP BY clause need to appear in the SELECT clause
Consider the following statements: 1. A high aggregate impact value indicates strong aggregates. 2. A low aggregate crushing value indicates high crushing strength of aggregates. 3. Aggregates having elongation index values greater than 15% are generally considered suitable for pavement construction. 4. Flakiness index of aggregates should not be less than 25% for use in road construction. Which of the above statements are correct? 
Consider the following statements: 1) workability of concrete increases with the increase in the proportion of water content 2) Concrete having small-sized aggregates is more workable than that containing large-sized aggregate 3) For the same quantity of water, rounded aggregates produce a more workable concrete mix as compared to angular and flaky aggregates 4) A concrete mix with no slump shown in the slump cone test indicates its very poor workability Which of the above statements are correct?
Consider the following particulars in respect of a concrete mix design:   Weight Specific Gravity Cement 400 kg/m3 3.2 Find aggregates - 2.5 Coarse aggregates 1040 kg/m3 2.6 Water 200 kg/m3 1.0   What shall be the weight of the Fine aggregates?
You install and run a third-party 32-bit application named Application on your Windows 2000 Server computer. After several days, the application stops responding. You open Task Manager and find that the CPU usage is at 100 percent. The normal range of CPU usage on the server is from 20 percent to 30 percent You end the application. However, you see that the CPU on the server is still at 100 percent. Task Manager shows no other applications running. You then examine the Processes page in Task Manager and confirm that the Application.exe process is no longer running. You want to return the CPU usage to its normal range. What should you do?
Usage of aggregates in WHERE clause is allowed.
Usage of aggregates in WHERE clause is not allowed.
What is the water absorption capacity of coarse aggregates by weight of total aggregates?
Which of the following statements are correct with reference to ensuring minimum shrinkage of prestressed concrete? 1. The water-cement ratio and proportion of cement paste should be kept minimum to reduce shrinkage. 2. Aggregates of larger size, well graded for minimum void, need a smaller amount of cement paste, and attendant shrinkage will be smaller. 3. Harder and denser aggregates of low water absorptions and high modulus of elasticity will exhibit small shrinkage.
Which of the following Bureau of Indian Standards (IS) provides the values of flakiness index and elongation index of coarse millabe (aggregates, aggregates)?