Exam 6: Technology: Technology-Engineering

Advances in military technologies have often led to the development of everyday applications. Early radar systems operators noticed that objects near the radar were often heated when the radar was in use.This observation led to the development of which of the following everyday applications?

Which of the following is a common source of an optical signal transmitted along a fiber-optic cable?

A homeowner wants to convert her basement into a recreation room. Which of the following is the best reason why the homeowner should go to the local city or town hall?

Since the introduction of the cellular phone, many advances in wireless communication have been made. Which of the following features has been added to cellular phones for the purpose of finding someone who has placed an emergency call?

Which of the following objects is a controller in a circuit?

A builder installs a radiant barrier on the floor of an attic to reduce summer heat gain in the house. To achieve the best result, the builder should use a material for the radiant barrier that is

Sarah presented an idea for recycling used tires to an automotive company. If she followed the engineering design process, what was the first step in developing her idea?

Communication satellites have which of the following functions in radio and television broadcasting?

Which of the following devices uses a renewable resource to produce heat?

During World War II, signal lights were used to send Morse code messages between ships. A sailor would open and close a shutter over a light source to send "dots" and "dashes" of lightto another ship. The sailor performed the function of which component of a communication system?

How many views are usually necessary in order to describe an object using an orthographic projection?

A contractor needs to choose a low-density material for use in the construction of a building. When comparing two materials of the same size, the less dense material always gives a building structure which of the following characteristics?

Which of the following types of lifting systems is best to use when a heavy load needs to be lifted and held precisely in place for a long period of time?