List some advantages of using a photodetector.
What will be an ideal response?
Photodetectors do not have to make physical contact with the object they are sensing, so there is no mechanical arm to wear out. Many photodetectors operate at speeds that cannot be tolerated by mechanical contact switches. They are used in almost every type of industry, and their uses are increasing steadily.
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Technician A says in most transmissions, the oil pump is bolted to the transmission case. Technician B says in some transmissions, the oil pump is press-fitted into the case. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
A complete lighting unit consisting of lamps and parts connecting to a power supply is called a(n) ____________________.
Fill in the blank(s) with the appropriate word(s).
When the building blocks of a project have been defined, created and individually simulated to verify that they work correctly:
A) begin project synthesis. B) begin integration. C) combine blocks and sections and make final product. D) check to see if product still meets original definition.
OSHA and the EPA are federal agencies involved in environmental safety and health.