Problem 1.7
Each of the four vertical links has an 8 × 36-mm uniform rectangu¬lar cross section, and each of the four pins has a 16-mm diameter. Determine the maximum value of the average normal stress in the links connecting (a) points B and D, (b) points C and E.
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El componente designado con una B en la Figura 2 es _____.
a. una columna
b. una viga
c. una viga maestra
d. una vigueta
Consider a person whose exposed surface area is 1.7?m2, emissivity is 0.5, and surface temperature is 32°C. Determine the rate of heat loss from that person by radiation in a large room having walls at a temperature of (a) 300 K and (b) 280 K.
What will be an ideal response?
Iron deficiency is most likely to occur under which of the following soil conditions?
A) muck soil (Saprist) with pH 5.5 B) soil with pH 4.3 and subject to frequent flooding C) well-drained humid region loamy sand (Spodosol) with pH 5.0 D) leached humid region sandy soil limed to pH 8.0 E) silt loam Mollisol with pH 7.5
Thousands of products on the market claim to be green. Independent third-party labels, such as ____, Cradle to Cradle®, and ENERGY STAR are generally rigorous and reliable.
A. GREENGUARDSM B. LEED C. LCA D. GREEN PROTECTORSM