Given the specifications for an asphaltic concrete mixture and the results of a sieve analysis, determine the proportion of different aggregates to obtain the required gradation.
Coarse aggregates: 60%
Fine aggregates: 35%
Filler: 5%
What will be an ideal response?
The following table shows the sieve analysis data and the computations required
to obtain the required gradation.
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When drawing a roof plan, the first step in determining the roof shape is to trace the outline of the exterior walls and all _____.
A. interior support posts B. interior support attachments C. exterior support posts D. exterior support attachments
PROBLEM 2.9
Two gage marks are placed exactly 10 in. apart on a -in.-diameter aluminum rod with E = 10.1 ? 106 psi and an ultimate strength of 16 ksi. Knowing that the distance between the gage marks is 10.009 in. after a load is applied, determine (a) the stress in the rod, (b) the factor of safety.
All of the following statements are true EXCEPT:
A. a pump that is driven by a belt from the crankshaft supplies hydraulic power to assist steering effort. B. most power steering is hydraulic, with pressure supplied from the crankshaft by a belt-driven pump. C. steering assist is needed most when the car is stopped or nearly stopped. D. the power steering pump develops more unneeded flow at lower engine rpm and vehicle speeds.
When working on a type of system that you have never seen before, you should:
A) Assume that it works like other equipment you are familiar with. B) Locate the manufacturer's troubleshooting guide. C) Methodically replace the parts until you locate the issue. D) Replace any electronic boards first.