Which of the following characteristics are an advantage for using an electromechanical relay versus a solid-state relay?
a. Arcless switching
b. Longer life expectancy
c. Ability to stand surge currents
d. Faster response time
c. Ability to stand surge currents
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The shortest distance from the root of a fillet weld to the weld face is the _____.
a. weld toe b. theoretical throat c. actual throat d. weld leg
A section of a two-lane rural highway is to be realigned and replaced by a four-lane highway with a full-depth asphalt pavement. The AADT (both ways) on the existing section can be represented by 750 ESAL. It is expected that construction will be completed 5 years from now. If the traffic growth rate is 2% and the effective CBR of the subgrade on the new alignment is 9.0, determine a suitable depth of the asphalt pavement using the AASHTO method. Take the design life of the pavement as 20 years. The resilient modulus of the asphalt (EAC) is 450,000 lb/in2. Assume mi for the subgrade is 1 and the percent of traffic on the design lane is 45%. Use a reliability level of 90%, a standard deviation of 0.45, and a design serviceability loss of 2.0.
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What did Deming mean when he spoke of the "hope for instant pudding"?
What will be an ideal response?