Science quiz Science – Engineering and Technology Quiz By isitok - September 7, 2024 0 74 FacebookTwitterPinterestWhatsApp Page 1 of 20 1. What is the unit of electrical resistance? A) Volt B) Ampere C) Ohm D) Watt Page 2 of 20 2. What does the acronym “GPS” stand for in satellite technology? A) Global Positioning System B) Geostationary Positioning Satellite C) Global Pathway System D) General Positioning Sensor Page 3 of 20 3. In civil engineering, what material is commonly used to reinforce concrete and improve its tensile strength? A) Steel B) Wood C) Plastic D) Glass Page 4 of 20 4. What is the primary purpose of a heat exchanger in mechanical engineering? A) To increase pressure B) To transfer heat between fluids C) To convert electrical energy into mechanical energy D) To filter air Page 5 of 20 5. What technology is used to convert digital signals into analog signals for transmission over a telephone line? A) Modulation B) Demodulation C) Encryption D) Compression Page 6 of 20 6. What is the main component of a computer’s central processing unit (CPU)? A) Hard Drive B) Motherboard C) Microprocessor D) RAM Page 7 of 20 7. What type of engineering focuses on the design and development of vehicles and engines? A) Aerospace Engineering B) Chemical Engineering C) Mechanical Engineering D) Civil Engineering Page 8 of 20 8. What does the acronym “IoT” stand for in modern technology? A) Internet of Things B) Integrated Online Technology C) International Operating Team D) Internal Optimization Tool Page 9 of 20 9. In electrical circuits, what is the function of a capacitor? A) To resist current B) To store electrical energy C) To amplify signals D) To convert AC to DC Page 10 of 20 10. What is the process of designing and building structures like bridges and buildings called? A) Structural Engineering B) Electrical Engineering C) Software Engineering D) Mechanical Engineering Page 11 of 20 11. Which technology is used to create three-dimensional images from a two-dimensional source, such as in medical imaging? A) MRI B) CT Scan C) Ultrasound D) PET Scan Page 12 of 20 12. What programming language is known for its use in web development and was initially developed by Sun Microsystems? A) Python B) Java C) C++ D) Ruby Page 13 of 20 13. What is the term for a device that allows electrical signals to be amplified or switched? A) Transistor B) Diode C) Resistor D) Capacitor Page 14 of 20 14. What type of software is used to manage and operate hardware devices and provide a platform for applications? A) System Software B) Application Software C) Utility Software D) Firmware Page 15 of 20 15. What is the primary function of a gearbox in mechanical systems? A) To regulate temperature B) To convert electrical energy into mechanical energy C) To change the speed and torque of the output shaft D) To filter and clean fluids Page 16 of 20 16. In civil engineering, what term describes the maximum load a structure can support before failing? A) Yield Strength B) Load Capacity C) Stress Test D) Safety Margin Page 17 of 20 17. What technology is used to provide high-speed internet access over wireless networks? A) Fiber Optic B) DSL C) Wi-Fi D) Satellite Page 18 of 20 18. What is the primary purpose of a router in a computer network? A) To store data B) To route data packets between networks C) To manage user access D) To provide network security Page 19 of 20 19. What material is often used as a semiconductor in electronics due to its ability to control electrical current? A) Silicon B) Aluminum C) Copper D) Iron Page 20 of 20 20. What type of engineering focuses on the development and application of chemical processes? A) Mechanical Engineering B) Chemical Engineering C) Electrical Engineering D) Aerospace Engineering Please provide your contact information to proceed.Email Address *First Name *Consent *Yes, I agree with the privacy policy and terms and conditions.Start QuizSkip and continue