A technological system is best defined as:

A group of interconnected components designed to perform a function

A collection of machines used in manufacturing

A set of electrical circuits used in communication devices

A group of tools used in engineering laboratories

Which statement best describes a technological system?

Interacting components designed to accomplish a task

A group of machines working independently

A collection of unrelated technologies

A process limited to manufacturing activities

The supply chain includes activities related to:

Production and distribution of products

OSAT Technology Engineering (143)

Free OSAT Technology Engineering Practice Questions

10 sample questions for the OSAT Technology Engineering (143), with the correct answer and an explanation for each. No account needed. Try each one before you open the answer.

Sections covered on the exam: Fundamentals of Technology, Communications Systems, Content-Specific Pedagogy, Construction Systems, Manufacturing Systems, Energy, Power, and Transportation Systems.

Question 1 · Fundamentals of Technology
A technological system is best defined as:
- A.A collection of machines used in manufacturing
- B.A set of electrical circuits used in communication devices
- C.A group of interconnected components designed to perform a function
- D.A group of tools used in engineering laboratories
Show answer and explanation
Answer: C. A group of interconnected components designed to perform a function
A technological system consists of multiple components that interact to perform a specific task. Typical elements include inputs, processes, outputs, and feedback mechanisms.
Question 2 · Communications Systems
Which technology is commonly used for short-range wireless communication between devices?
- A.Satellite transmission
- B.Fiber optics
- C.Ethernet cable
- D.Bluetooth
Show answer and explanation
Answer: D. Bluetooth
Bluetooth technology enables wireless communication between devices over short distances.
Question 3 · Construction Systems
Roads, bridges, and tunnels are examples of:
- A.Residential structures
- B.Industrial equipment
- C.Communication networks
- D.Infrastructure systems
Show answer and explanation
Answer: D. Infrastructure systems
Infrastructure systems support transportation and public services.
Question 4 · Manufacturing Systems
Which material property is most important when selecting materials for high-temperature manufacturing processes?
- A.Color
- B.Thermal resistance
- C.Texture
- D.Flexibility
Show answer and explanation
Answer: B. Thermal resistance
Materials used in high-temperature environments must resist heat without losing strength.
Question 5 · Content-Specific Pedagogy
Which instructional approach encourages students to solve real-world engineering problems through hands-on projects?
- A.Project-based learning
- B.Memorization-based instruction
- C.Lecture-only instruction
- D.Passive observation
Show answer and explanation
Answer: A. Project-based learning
Project-based learning allows students to apply engineering concepts through practical problem-solving activities.
Question 6 · Fundamentals of Technology
Which statement best describes a technological system?
- A.A group of machines working independently
- B.A collection of unrelated technologies
- C.Interacting components designed to accomplish a task
- D.A process limited to manufacturing activities
Show answer and explanation
Answer: C. Interacting components designed to accomplish a task
A technological system consists of interacting parts that work together to achieve a specific objective. These components typically include inputs, processes, outputs, and feedback.
Question 7 · Communications Systems
Which medium uses light pulses to transmit information?
- A.Copper cable
- B.Fiber optic cable
- C.Radio waves
- D.Satellite dish
Show answer and explanation
Answer: B. Fiber optic cable
Fiber optic cables transmit data using pulses of light through glass or plastic fibers.
Question 8 · Construction Systems
Furniture and occupants inside a building are classified as:
- A.Dead loads
- B.Live loads
- C.Static loads
- D.Permanent loads
Show answer and explanation
Answer: B. Live loads
Live loads include temporary or movable loads such as people and furniture.
Question 9 · Construction Systems
The supply chain includes activities related to:
- A.Manufacturing only
- B.Production and distribution of products
- C.Marketing only
- D.Engineering design only
Show answer and explanation
Answer: B. Production and distribution of products
Supply chains involve sourcing materials, manufacturing goods, and distributing products.
Question 10 · Content-Specific Pedagogy
Which instructional strategy encourages students to investigate real-world problems and design solutions?
- A.Project-based learning
- B.Lecture-based instruction
- C.Memorization activities
- D.Passive observation
Show answer and explanation
Answer: A. Project-based learning
Project-based learning engages students in solving real-world problems through investigation, design, and testing.

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