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