Exam 6: Technology: Technology-Engineering

A worker is using an arc welder to join two pieces of metal. Which of the following safety precautions is mostimportant for the worker to prevent infrared radiation exposure when welding?

Which of the following would best increase the year-round energy efficiency of a building that is subjected to hot summers and cold winters?

The electrical resistance of a wire may change depending on which of the following?

Which of the following examples describes a nonrenewable energy system?

Silicon carbide (SiC), a ceramic, is used in drill bits. Which of the following is the most likely reason that silicon carbide is suitable for this purpose?

Designers need to use a wind tunnel to test the airflow over a new design for an airplane wing. Since the wind tunnel is not large enough to hold the actual airplane wing, the designers will need to use which of the following?

For a manufacturing process, the cutting edges of the separating tool should typically have which of the following characteristics?

A structural component for a bridge needs to be especially strong in tension. Which of the following materials would be mostsuitable for this component?

A manufacturer has developed a textured surface for plastic cups. These cups are designed for small children. The manufacturer has produced prototypes.Which of the following is the next step in the engineering design process?

Which of the following are represented using binary values?

Which of the following statements describes the major difference between a closed fluid system and an open fluid system?

A factory that manufactures hats uses robots for some production tasks. Which of the following tasks are the robots most likely doing?

Which of the following functions can a variable resistor perform?

In which of the following fluid systems does the fluid remain within the system?

A deep space probe uses which of the following to communicate with scientists on Earth?

Which of the following tools can be used in a separating process during manufacturing?

It is not advisable to seek shelter under a highway overpass during a tornado. When air moves through this narrow area, wind speeds increase and pressure decreases. This increases the risk for injuries. This phenomenon can be explained by which of the following?

Which of the following environmental conditions do architects most likelyconsider when they decide on the placement of windows in new houses in the northeastern United States?

Wires X and Y are made of the same material. Which of the following could explain why wire X has a higher resistance than wire Y?

Air in a hydraulic brake line causes the brakes to malfunction. Which property of air is most responsible for the malfunction?