_______ is the largest breed of cattle, reaching 4,000 pounds for bulls and 2,400 pounds for cows
a. Hereford c. Chianina
b. Shorthorn d. Charolais
C
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Explain why tilt-up wall panel-to-panel connections are discouraged and why they are necessary for corner panels. In which situations are panel-to-panel connections required?
What will be an ideal response?
Rough lumber is sold by the ____________________
Fill in the blank(s) with the appropriate word(s).
An AISI 316 stainless steel spherical container is used for storing chemicals undergoing exothermic reaction that provides a uniform heat flux of 60?kW/m2 to the container’s inner surface. The container has an inner diameter of 1 m and a wall thickness of 5 cm. To prevent thermal burns on individuals working around the container, it is necessary to keep the container’s outer surface temperature below 50°C. If the ambient temperature is 23°C, determine the necessary convection heat transfer coefficient to keep the container’s outer surface temperature below 50°C. Is the necessary convection heat transfer coefficient feasible with free convection of air? If not, discuss other options to prevent the container’s outer surface temperature from causing thermal burns.
Why should special safety protection always be used when driving ballistic concrete nails?
A) Because of broken nail bits B) Because of fumes C) Because of flying chips of cracking concrete D) Because of random sparks