stress design
91Components of jet engines — Diagram of a typical gas turbine jet engine. Air is compressed by the fan blades as it enters the engine, and it is mixed and burned with fuel in the combustion section. The hot exhaust gases provide forward thrust and turn the turbines which… …
92On-Grade Mat Foundation for Expansive Soils — An on grade mat foundation is an above ground type of foundation used to provide load bearing capacity in expansive, rocky or hydro collapsible soils. The foundation, or “Wafflemat,” is created by connecting a series of 8½” or 12” high, 19” x 19” …
93Barrel vault — Nave of Lisbon Cathedral with a barrel vaulted soffit. Note the absence of clerestory windows, all of the light being provided by the Rose window at one end of the vault …
94Prestressed concrete — diagram Prestressed concrete is a method for overcoming concrete s natural weakness in tension. It can be used to produce beams, floors or bridges with a longer span than is practical with ordinary reinforced concrete. Prestressing tendons… …
95Life Sciences — ▪ 2009 Introduction Zoology In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… …
96Industrial and organizational psychology — Psychology …
97Crystal oscillator — A miniature 4 MHz quartz crystal enclosed in a hermetically sealed HC 49/US package, used as the resonator in a crystal oscillator. A crystal oscillator is an electronic oscillator circuit that uses the mechanical resonance of a vibrating crystal …
98Frank Whittle — Infobox Person name = Frank Whittle image size = 300px caption = birth name = birth date = birth date|1907|6|1|df=y birth place = Earlsdon, Coventry, England. death date = death date and age|1996|8|9|1907|6|1|df=y death place = Columbia, Maryland …
99Digital prototyping — gives conceptual design, engineering, manufacturing, and sales and marketing departments the ability to virtually explore a complete product before it’s built. Industrial designers, manufacturers, and engineers use Digital Prototyping to design,… …
100bridge — bridge1 bridgeable, adj. bridgeless, adj. bridgelike, adj. /brij/, n., v., bridged, bridging, adj. n. 1. a structure spanning and providing passage over a river, chasm, road, or the like. 2. a connecting, transitional, or intermediate route or… …
