As a materials engineer in charge of designing concrete mix and facing the following problems, which admixture would you use in each case during mixing or at the jobsite? a. There is a large quantity of freshly mixed concrete and the work at the job-site had to stop because of rain. b. More time is expected to be needed for finishing concrete. c. The structure is subject to freezing. d. Concrete is to be around tightly spaced reinforcing steel. e. Concrete mix will be hauled a long distance. f. High early strength concrete is required, but not necessarily high ultimate strength.

answer:

the army does care about its soilders sir i think yout getting off on the wrong foot sir you need to respect our country were keeping the peole that want to d harm towards you out. so dont go saying we don't care cause we do

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A large dynamometer operates a pump that circulates a viscous fluid through a restrictive fluid circuit. ... Under Steady Operating Conditions, Heat Loss From The Fluid Is Measured As 150 KW When The Shaft Is Rotating At 1000 Rpm, And 275 KW When The Shaft Speed Increases To 2000 Rpm. The Pump Efficiency Varies ...

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