Đề Thi Trắc Nghiệm Môn Tiếng Anh Chuyên Ngành – Đại Học Điện Lực (Miễn Phí, Có Đáp Án)
Ôn luyện với đề thi trắc nghiệm môn Tiếng Anh Chuyên Ngành từ Đại Học Điện Lực. Đề thi bao gồm các câu hỏi về thuật ngữ chuyên ngành, từ vựng và các kỹ năng tiếng Anh cần thiết trong lĩnh vực kỹ thuật và điện lực. Đề thi có đáp án chi tiết giúp sinh viên củng cố kiến thức và chuẩn bị tốt cho các kỳ thi chuyên ngành.
Từ khoá: Đề thi trắc nghiệm Tiếng Anh Chuyên NgànhĐại Học Điện LựcTiếng Anh chuyên ngành kỹ thuậttrắc nghiệm tiếng Anh có đáp ánôn thi Tiếng Anh chuyên ngành
Bộ sưu tập: Tuyển Tập Bộ Đề Thi Trắc Nghiệm Môn Tiếng Anh Trường Đại Học Điện Lực (EPU) - Có Đáp Án
Câu 1: A current of 5 A flows through a conductor and 10 W dissipated. What voltage exists across the ends of the conductor?
Câu 2: A resistance of 5k ohm has a conductance of?
C. C.0.2mS G= 1/R = 1/(5.10³) =0,2x10⁻³s=0.2 ms
Câu 3: Which devices are used to interurpt short-circuit currents in the power system?
Câu 5: Câu14: An electric gridor power grid is an interconnected network for ……. electricityfrom producers to consumers.
A. generating (phát điện)
B. changing (biến đổi điện)
C. delivering(cung cấp điện)
D. consuming (tiêu thụ điện)
Câu 6: Write out R 2 + 15Ω = R 1 in full
A. Resistance two plus fifteen ohms equals resistance one.
B. R one minus R two equals fifteen ohms.
C. R two plus fifteen ohms is equal toR one.
D. R two plus fifteen multiplied by ohm is equal to R one.
Câu 7: does not readily release electrons
Câu 8: The symbol of potential differenceis
Câu 9: The instantaneous values of a sinusoidal waveform is given by the formula :
Câu 10: What is the main purpose of a distribution substation?
A. to convert mechanical energy into electricity
B. to generate electricity
C. to transfer power from the distribution system to the transmission system
D. to transfer power from the transmission system to the distribution system
Câu 11: Generators provide nearly all of the ………. for electric power grids.
Câu 12: Three 3 ohm resistors are connected to form a triangle. What is the resistance between any two of the corners?
Câu 13: What are the norminal voltages of the transmission system in Vietnam?
Câu 14: Power grid includes particular installations, substations, lines or cables for transmittingand …… of electricity.
B. distribution (sự phân phối)
D. generation (sự phát ra)
Câu 15: In switching substation, there is not any .......
Câu 16: A conductor has a conductance of 0.1 S. It’s resistance is:
Câu 17: Write out V 2 + V 3 = V 1 in full
A. Voltage two plus Voltage three is equal to Voltage three
B. V one equals V two plus V three
C. V two plus V three is equal to V one
D. V two plus V three equal to V one
Câu 18: An electrical substation plays an important role in the electrical system as it acts as a
A. bridge in transferring the electricity from the power plant to......
Câu 19: What is the unit ofelectromotive force?( sức điện động)
Câu 20: In transmission substations, the ........... is stepped up for transmission.
Câu 21: Earth ....... at a substation can cause a ground potential rise
Câu 22: One of the fuctions of a substation is to? (chức năng của trạm biến áp)
A. convert electrical energy into mechanical energy
D. change voltage from one level to others
Câu 23: is the stationary part of a generator.
Câu 24: Substations may be owned and operated by an electrical utility, or may be owned by a large industrial or commercial ....
Câu 25: A circuit contains two un-equal resistances in parallel
A. smaller resistance has smaller conductance
B. potential difference across each is same
C. large current flows in larger resistor
D. current is same in both
Câu 27: câu 1: the current in a wire………….
A. depends only on the resistance of the wire
B. does not depend on resistance and potential difference
C. depends only on the potential difference applied
D. depend on both resistance and potential difference
Câu 28: Which equipment is used to produce electricity?(thiết bị dùng để sản xuất điện)
Câu 29: The ......... substations are constructed in the open air.
Câu 30: Power ......... comprise a number of conducting cores of copper or aluminium, insulation, and armouring.
Câu 31: Electrical generating is concerned with ………….
Câu 32: Write out V 1 = V 2 + V 3 in full
A. Voltage one equals Voltage two plus Voltage three
B. V one equal to V two plus V three
C. V one equals V two plus V three
D. Voltage one equals Voltage two minus Voltage three
Câu 33: Where a substation has a metallic fence, it must be properly ........ , to protect people
Câu 34: A coil of inductance 150mH and zero resistance is connected across a 100V, 50Hz supply. The inductive reactanceof the coil is:
Câu 35: The unit of conductanceis
Câu 36: Primary of a ........... is connected in serieswith the power circuit.
Câu 37: Generation, transmission and distribution system are parts of .........
Câu 38: Write out P = VIcos in full
A. The active power equals the product of the voltage, the current, and power factor.
B. P equals to the product of V, I, and cos.
C. P equals the product of V, I, and cos.
D. P equals the product of V, I, c, o, s, and .
Câu 39: substations are built in urban areas to decrease the noise from the transformer for reasons of appearance, or to protect switchgear from extreme climate or pollution conditions.
Câu 41: The power from ............. substations is distributed to industrial, commerccial, and residential customers.
Câu 43: Generation of …… is a process whereby electrical energy is obtained from some other
Câu 44: Filaments of electric bulbs are usually made of ………….
Câu 45: What is the power factor? (hệ số công suất là gì?)
A. The ratio of apparent power to reactive power.
B. The ratio of apparent power to active power.
C. The ratio of reactive power to apparent power.
D. The ratio of activepower to apparent power.
Câu 46: “I one plus I two equals four fifths of I three” is the full expression of
Câu 47: Since most of the ......... is provided by air, overhead power lines are generally the lowest-cost method of power transmission for large quantities of electric energy.
Câu 48: Write out P = VIcos in full
A. The active power equals the product of the voltage, the current, and power factor.
B. P equals to the product of V, I, and cos.
C. P equals the product of V, I, and cos.
D. P equals the product of V, I, c, o, s, and .
Câu 49: Residential customers are supplied with .......... levels of 220/380 V
Câu 50: The unit of the reactive poweris