Cuando se prepara el lecho de colada, las juntas de con- trol aserradas pueden relle- narse con cualquiera de los siguientes, excepto _____.
a. silicona para calafatear
b. compuesto de láminas de
yeso
c. cera de parafina
d. arena
Answer: D
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Problem 1.31 The 1.4-kip load P is supported by two wooden members of uni¬form cross section that are joined by the simple glued scarf splice shown. Determine the normal and shearing stresses in the glued splice.
Which of the following is true of volumetric feeders?
A. They do not have the ability to change feed rates. B. They convey material at a controlled rate by measuring the weight lost over time. C. They convey material at a controlled rate by running at a set motor speed. D. They move material using pressured gas flow from one point to another in a continuous stream.
For the convenience of the people who will use the bill of materials, the MK Numbers ____.
A. should be listed using standard abbreviations B. may be omitted since the entries are optional C. should be listed in order from smallest to largest D. are entered twice for verification purposes
Which of these is correct regarding volumetric efficiency?
A) Engines have the same volumetric efficiency rating regardless of engine speed. B) Naturally aspirated engines often achieve over 100% volumetric efficiency. C) Volumetric efficiency is expressed as a percentage. D) The most volumetric efficiency an engine could possibly have is 100%.