Unlike the Twin Towers, WTC 7 was not directly hit by an airplane, yet it collapsed completely, making it the first known instance of a tall building brought down primarily by uncontrolled fires. This article aims to explore the structural causes behind the collapse of WTC 7 from an engineering perspective.
Engineer Raymond received an unsolicited letter and explanatory material from a commercial firm engaged in manpower placement, offering a monetary bonus to Raymond if he provided names of qualified engineers (and other technical disciplines listed in the brochure).
Get in the HOLIDAY SPIRIT and score high on this month's quiz. Here's the December 2023 Pop Quiz for Engineers. Are you smarter than an undergraduate?
Magnetohydrodynamics (MHD) – a specialized field marrying fluid dynamics and magnetism – delves into the behavior of electrically conducting fluids, such as saltwater or plasma, under the influence of magnetic fields. Beyond its intriguing theoretical constructs, one of its most promising applications lies in water propulsion.
Engineer Bob parks his car in a public parking lot. Getting out of the car, he sees a sign that reads: “After parking, driver must pay the cashier and identify the parking slot by the number painted on the concrete.”
Engineer Mitch agrees to provide consulting services to RMF, Inc., in connection with the development of a new product for manufacture. He develops a preliminary report, which is approved, then develops the design for the product. Mitch and RMF, Inc., do not negotiate any terms in their agreement relating to the actual ownership of the design of the product.
The vapor cloud found an ignition source - most likely a running vehicle or a spark from a nearby contractor's trailer - and ignited. The resulting explosion was equivalent to approximately 1,000 to 2,000 kilograms of TNT, and it was felt up to five miles away.
Nothing makes a person look smarter than wearing a PILGRIM'S HAT. Will your score be high enough to remove the hat? Here's the November 2023 Pop Quiz for Engineers. Are you smarter than an undergraduate?
Yesterday, four gangsters were arrested by the police. One of the four was suspected of having murdered a policeman during a heist. Each one made two statements under Interrogation. Note that they all have gruesome nicknames.
The A380 was designed to be a game-changer in the aviation industry. Boasting a double-deck, wide-body, four-engine jet configuration, it had a typical seating capacity of 555 passengers in a three-class configuration and could transport over 800 passengers in a denser configuration. The goal? Address the problem of congested airports and airspace by carrying more passengers per flight.
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