
Giữa Kỳ 1 Môn Công Nghệ 12
Quiz
•
Mathematics
•
4th Grade
•
Practice Problem
•
Hard
Bich Ngoc
FREE Resource
90 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is electrical engineering?
a field of engineering related to the research and application of electrical and electromagnetic technology in the production, transmission, distribution, and use of electrical energy.
a field of technology related to the research and development of internal combustion engines for life and production.
the branch of electronic engineering related to the research and operation of machinery and equipment in mechanical production.
the branch of engineering related to the research and development of high-tech products in the construction field.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of developing new materials for electrical engineering?
to create various designs of electrical devices according to market demand.
for electrical devices to operate at all existing voltage levels domestically and internationally.
to create electrical devices with high efficiency, energy-saving, and environmentally friendly.
to increase revenue from electrical device production and expand the market for electrical device production.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Observe the image and state the name and function of that device in life?
The fire alarm device will detect and activate the fire prevention system immediately, helping to alert the public and fire agencies.
The electrical socket shares electrical energy, reduces load on the main power source, ensuring safe transmission connections, and providing effective energy supply.
The circuit breaker is designed to automatically disconnect the circuit when there is an overload, short circuit, or voltage drop.
The fuse is a component or device that protects the circuit by breaking the circuit.
4.
OPEN ENDED QUESTION
3 mins • 1 pt
What are the main advantages of electrical devices that show the position and role of electrical engineering in production and life?
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5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the main advantages of electrical devices that show the position and role of electrical engineering in production and life?
Large capacity, high efficiency, reduce labor for humans, increase electricity consumption.
Provide electricity for production, thanks to electrical devices that help improve community living standards.
Provide electrical devices for production, thanks to electrical devices that help improve the quality of family life.
Compact structure, low power consumption, high efficiency, with smart controlled communication protocols.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When using a rice cooker, what form of energy has electrical energy been converted into?
Light energy
Chemical energy
Thermal energy
Mechanical energy
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which statement is incorrect about the position and role of electrical engineering in life?
Providing energy for electrical devices in the family.
Improving the quality of family life.
Enhancing community living standards.
Family life is becoming more inconvenient due to smart electrical devices.
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