Question 1

Which of the following is not a use of fiber-optic technology?

Accepted Answer

A) to see inside the human body 
B) to send digital data via land lines 
C) to transmit signals to satellites in space 
D) to inspect the internal mechanical parts of an airplane 
A) to see inside the human body 
B) to send digital data via land lines 
C) to transmit signals to satellites in space 
D) to inspect the internal mechanical parts of an airplane

Question 2

Which of the following is the best example of conductive heat transfer?

Accepted Answer

A) sunlight warming sand on a beach 
B) a fan blowing hot air around a room 
C) warm water vapor rising from a hot tub 
D) a hot water bottle resting on a person's back 
A) sunlight warming sand on a beach 
B) a fan blowing hot air around a room 
C) warm water vapor rising from a hot tub 
D) a hot water bottle resting on a person's back

Question 3

Information produced by technological devices can travel through optical fiber, air, and space. Which of the following statements describes what these media have in common?

Accepted Answer

A) Information travels through these media at the same speed. 
B) Information travels through these media at a single frequency. 
C) Information travels through these media using mechanical waves. 
D) Information travels through these media using electromagnetic waves. 
A) Information travels through these media at the same speed. 
B) Information travels through these media at a single frequency. 
C) Information travels through these media using mechanical waves. 
D) Information travels through these media using electromagnetic waves.

Question 4

Which of the following is considered a nonrenewable energy source?

Accepted Answer

A) sunlight 
B) uranium 
C) wind 
D) wood 
A) sunlight 
B) uranium 
C) wind 
D) wood

Question 5

An engineer has just finished building a prototype of a lawn tractor that is powered by a hydrogen fuel cell. Which of the following should be the next step in the design process?

Accepted Answer

A) testing the prototype to evaluate its performance 
B) asking for funding to build more copies of the prototype 
C) building a second prototype that is different from the first 
D) making modifications to the prototype that will increase its performance 
A) testing the prototype to evaluate its performance 
B) asking for funding to build more copies of the prototype 
C) building a second prototype that is different from the first 
D) making modifications to the prototype that will increase its performance

Question 6

Which of the following causes the greatest resistance to water flowing through a PVC piping system?

Accepted Answer

A) elbows 
B) gaskets 
C) insulation 
D) rust 
A) elbows 
B) gaskets 
C) insulation 
D) rust

Question 7

A company sent prototypes of a newly designed hair dryer for trial use to 100 homes along with a satisfaction survey. A month later the company received 82 completed surveys.This process is part of which of the following steps in the engineering design process?

Accepted Answer

A) developing possible solutions 
B) communicating the solution 
C) researching the problem 
D) evaluating outcomes 
A) developing possible solutions 
B) communicating the solution 
C) researching the problem 
D) evaluating outcomes

Question 8

Maria needs to measure the amount of current flowing through a closed circuit. Which of the following instruments should she use for this task?

Accepted Answer

A) ammeter 
B) hygrometer 
C) ohmmeter 
D) voltmeter 
A) ammeter 
B) hygrometer 
C) ohmmeter 
D) voltmeter

Question 9

Which of the following environmental conditions will result in the most heat loss from a house on a cool day?

Accepted Answer

A) bright sun 
B) heavy fog 
C) high wind 
D) light rain 
A) bright sun 
B) heavy fog 
C) high wind 
D) light rain

Question 10

Before releasing a newly designed video game to the public, the developer distributes the game to a few hundred people free of charge. After playing the game, the people complete a survey and return it to the developer. What part of the engineering design process does this scenario represent?

Accepted Answer

A) redesign 
B) testing and evaluation 
C) selection of a solution 
D) construction of prototypes 
A) redesign 
B) testing and evaluation 
C) selection of a solution 
D) construction of prototypes

Question 11

Water moving through a fire hydrant with an internal cross-sectional area of about 20 sq. in. goes into a fire hose with a cross-sectional area of about 5 sq. in. Which of the following is the best estimate of the change in speed of the water?

Accepted Answer

A) The speed of the water in the hose is 0.25 times the speed of the water in the hydrant. 
B) The speed of the water in the hose is 0.5 times the speed of the water in the hydrant. 
C) The speed of the water in the hose is 2 times the speed of the water in the hydrant. 
D) The speed of the water in the hose is 4 times the speed of the water in the hydrant. 
A) The speed of the water in the hose is 0.25 times the speed of the water in the hydrant. 
B) The speed of the water in the hose is 0.5 times the speed of the water in the hydrant. 
C) The speed of the water in the hose is 2 times the speed of the water in the hydrant. 
D) The speed of the water in the hose is 4 times the speed of the water in the hydrant.

Question 12

The owners of a grocery store chain have decided to try a hand-held bar code scanner for customers to use as they shop. After developing the prototype of the hand-held bar code scanner, what is the next step in the new product development?

Accepted Answer

A) refining the scanner for production 
B) advertising the scanner in all stores 
C) field testing the scanner in selected stores 
D) mass-producing the scanner for all stores 
A) refining the scanner for production 
B) advertising the scanner in all stores 
C) field testing the scanner in selected stores 
D) mass-producing the scanner for all stores

Question 13

Which of the following is a function of a home TV antenna?

Accepted Answer

A) transmitter 
B) storage 
C) source 
D) receiver 
A) transmitter 
B) storage 
C) source 
D) receiver

Question 14

An engineer is designing an injection mold that can be used to make 10,000 plastic parts per day. Which of the following materials would be best to use to build this mold?

Accepted Answer

A) cement 
B) glass 
C) plastic 
D) steel 
A) cement 
B) glass 
C) plastic 
D) steel

Question 15

A circuit has a source with an electrical potential of 12 V. The circuit contains one resistor.If a second resistor is added to the circuit in series, what effect will this have on the current in the circuit?

Accepted Answer

A) The current will increase. 
B) The current will decrease. 
C) The current will not be affected. 
D) The current will switch from DC to AC. 
A) The current will increase. 
B) The current will decrease. 
C) The current will not be affected. 
D) The current will switch from DC to AC.

Question 16

Which of the following is the most likely reason for choosing a building material with a low thermal conductivity for a home?

Accepted Answer

A) reduced heating costs 
B) increased heat transfer 
C) reduced construction costs 
D) increased structural strength 
A) reduced heating costs 
B) increased heat transfer 
C) reduced construction costs 
D) increased structural strength

Question 17

Which of the following advances in automotive technology were developed to improve driver and passenger safety?

Accepted Answer

A) aerodynamic spoilers 
B) computerized fuel injection systems 
C) hybrid engines 
D) shatterproof windshields 
A) aerodynamic spoilers 
B) computerized fuel injection systems 
C) hybrid engines 
D) shatterproof windshields

Question 18

One type of hydraulic system is designed to lift heavy objects. Which of the following statements best explains this application?

Accepted Answer

A) The hydraulic system acts as a force multiplier. 
B) The hydraulic system acts as a work multiplier. 
C) The hydraulic system acts as a power multiplier. 
D) The hydraulic system acts as an energy multiplier. 
A) The hydraulic system acts as a force multiplier. 
B) The hydraulic system acts as a work multiplier. 
C) The hydraulic system acts as a power multiplier. 
D) The hydraulic system acts as an energy multiplier.

Question 19

Which of the following is an example of casting?

Accepted Answer

A) A steel rod is heated and then rapidly cooled in a tank of water. 
B) A molten alloy is poured into a mold where it cools and hardens. 
C) A plastic pellet is forced through a die into a long, uniform shape. 
D) A metal sheet is passed through smooth rollers to yield a curved piece. 
A) A steel rod is heated and then rapidly cooled in a tank of water. 
B) A molten alloy is poured into a mold where it cools and hardens. 
C) A plastic pellet is forced through a die into a long, uniform shape. 
D) A metal sheet is passed through smooth rollers to yield a curved piece.

Question 20

Which of the following matches a communication medium with a type of signal that can be readily transmitted through it?

Accepted Answer

A) copper wire-electric 
B) copper wire-infrared 
C) optical fiber-radio 
D) optical fiber-x-ray 
A) copper wire-electric 
B) copper wire-infrared 
C) optical fiber-radio 
D) optical fiber-x-ray

Which of the following is not a use of fiber-optic technology?

Which of the following is the best example of conductive heat transfer?

Information produced by technological devices can travel through optical fiber, air, and space. Which of the following statements describes what these media have in common?

Which of the following is considered a nonrenewable energy source?

An engineer has just finished building a prototype of a lawn tractor that is powered by a hydrogen fuel cell. Which of the following should be the next step in the design process?

Which of the following causes the greatest resistance to water flowing through a PVC piping system?

A company sent prototypes of a newly designed hair dryer for trial use to 100 homes along with a satisfaction survey. A month later the company received 82 completed surveys.This process is part of which of the following steps in the engineering design process?

Maria needs to measure the amount of current flowing through a closed circuit. Which of the following instruments should she use for this task?

Which of the following environmental conditions will result in the most heat loss from a house on a cool day?

Before releasing a newly designed video game to the public, the developer distributes the game to a few hundred people free of charge. After playing the game, the people complete a survey and return it to the developer. What part of the engineering design process does this scenario represent?

Water moving through a fire hydrant with an internal cross-sectional area of about 20 sq. in. goes into a fire hose with a cross-sectional area of about 5 sq. in. Which of the following is the best estimate of the change in speed of the water?

The owners of a grocery store chain have decided to try a hand-held bar code scanner for customers to use as they shop. After developing the prototype of the hand-held bar code scanner, what is the next step in the new product development?

Which of the following is a function of a home TV antenna?

An engineer is designing an injection mold that can be used to make 10,000 plastic parts per day. Which of the following materials would be best to use to build this mold?

A circuit has a source with an electrical potential of 12 V. The circuit contains one resistor.If a second resistor is added to the circuit in series, what effect will this have on the current in the circuit?

Which of the following is the most likely reason for choosing a building material with a low thermal conductivity for a home?

Which of the following advances in automotive technology were developed to improve driver and passenger safety?

One type of hydraulic system is designed to lift heavy objects. Which of the following statements best explains this application?

Which of the following is an example of casting?

Which of the following matches a communication medium with a type of signal that can be readily transmitted through it?

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Exam 6: Technology: Technology-Engineering

Which of the following is not a use of fiber-optic technology?

Which of the following is the best example of conductive heat transfer?

Information produced by technological devices can travel through optical fiber, air, and space. Which of the following statements describes what these media have in common?

Which of the following is considered a nonrenewable energy source?

An engineer has just finished building a prototype of a lawn tractor that is powered by a hydrogen fuel cell. Which of the following should be the next step in the design process?

Which of the following causes the greatest resistance to water flowing through a PVC piping system?

A company sent prototypes of a newly designed hair dryer for trial use to 100 homes along with a satisfaction survey. A month later the company received 82 completed surveys.This process is part of which of the following steps in the engineering design process?

Maria needs to measure the amount of current flowing through a closed circuit. Which of the following instruments should she use for this task?

Which of the following environmental conditions will result in the most heat loss from a house on a cool day?

Before releasing a newly designed video game to the public, the developer distributes the game to a few hundred people free of charge. After playing the game, the people complete a survey and return it to the developer. What part of the engineering design process does this scenario represent?

Water moving through a fire hydrant with an internal cross-sectional area of about 20 sq. in. goes into a fire hose with a cross-sectional area of about 5 sq. in. Which of the following is the best estimate of the change in speed of the water?

The owners of a grocery store chain have decided to try a hand-held bar code scanner for customers to use as they shop. After developing the prototype of the hand-held bar code scanner, what is the next step in the new product development?

Which of the following is a function of a home TV antenna?

An engineer is designing an injection mold that can be used to make 10,000 plastic parts per day. Which of the following materials would be best to use to build this mold?

A circuit has a source with an electrical potential of 12 V. The circuit contains one resistor.If a second resistor is added to the circuit in series, what effect will this have on the current in the circuit?

Which of the following is the most likely reason for choosing a building material with a low thermal conductivity for a home?

Which of the following advances in automotive technology were developed to improve driver and passenger safety?

One type of hydraulic system is designed to lift heavy objects. Which of the following statements best explains this application?

Which of the following is an example of casting?

Which of the following matches a communication medium with a type of signal that can be readily transmitted through it?

Math: Basic Math

Math: Math Tricks

Math: Mathematics Easy

Math: Mathematics Intermediate

Math: Mathematics Advanced

Technology: Palladium: Properties, Uses, and Mining Methods

Science

Filters