What is the meaning of ‘R’ in Type OFNR?

What will be an ideal response?


The letter R at the end of the type marking, such as Type OFNR, designates that the cable is permitted to be run as cable from one floor to another of a building.

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Problem 1.46 Three steel bolts are to be used to attach the steel plate shown to a wooden beam. Knowing that the plate will support a load P = 28 kips, that the ultimate shearing stress for the steel used is 52 ksi, and that a factor of safety of 3.25 is desired, determine the required diameter of the bolts.

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Uno de los cuatro elementos involucrados en la recepción del mensaje en el proceso de comunicación es:

a. considerar las barreras para el mensaje b. codificar el mensaje c. interpretar el mensaje d. formular el mensaje

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The Organic Food Production Act is administered through the:

a. FISI c. AMS b. FDA d. EPA

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How many Btus must be removed from one pound of water at 200°F for it to end up as ice at 30°F?

A. 144 Btu B. 828 Btu C. 313 Btu D. 526 Btu

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