Most of the ____ advances made by humans during the past 100 years have come about through the use of animals for testing purposes

a. social c. psychological
b. medical d. housing


B

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In many manufacturing plants, individuals are often working around high-temperature surfaces. Exposed hot surfaces that can cause thermal burns on human skin are considered hazards in the workplace. Metallic surfaces above 70°C can instantly damage skin that touches them. Consider an AISI 1010 carbon steel strip (? = 7832 kg/m3) 2 mm thick and 3 cm wide that is conveyed into a chamber to be cooled at a constant speed of 1?m/s. The steel strip enters the cooling chamber at 597°C. Determine the rate at which heat needs to be removed so that the steel strip exits the chamber at 47°C. Discuss how the conveyance speed can affect the required rate of heat removal.

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A grinder pump grinds solids into small enough particles to be pumped and pumps the sewage at high pressure.

Answer the following statement true (T) or false (F)

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Taps may break when tapping:

A) If the chips clog the flutes B) If the holes are drilled too deep C) Because the tap drill was too large D) If the tap used is too sharp

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ISO 14000 provides the framework for making effective environmental management part of the organization’s overall management system.