Define the term electrical hazard
What will be an ideal response?
Electrical hazards occur when a person makes contact with a conductor carrying a current and simultaneously contacts the ground or another object that includes a conductive path to the ground. This person completes the circuit loop by providing a load for the circuit and thereby enables the current to pass through his or her body.
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Activity and demand for new plant discoveries reached perhaps its greatest heights ____
a. in Renaissance Italy b. in the late 18th and 19th centuries c. during the Industrial Revolution d. in 20th century America
A(n) ____ is a parking aid that alerts the driver to obstacles located in the path immediately behind the vehicle.
A. active headlight system B. driver assist system C. valet system D. park assist system
Describe the metric welding symbol practices such as those used in the British Standard.
What will be an ideal response?
What are the by-products (emissions) from a fuel cell?
A) Water B) CO C) CO2 D) Nonmethane hydrocarbon