BASIC ELECTRICAL MCQ
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3 313
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اطلاعاتی وجود ندارد24 ساعت
اطلاعاتی وجود ندارد7 روز
اطلاعاتی وجود ندارد30 روز
آرشیو پست ها
3 313
Q.23 The most popular method of connecting transformer is the
A. delta-star
B. star-delta
C. delta- zigzag
D. star-zigzag
More mcqs
http://mcqelectrical4u.com/3-phase-transformer-quiz/electrical-machine-quiz_19-3-phase-transformer_02
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Q.511 How many pins does 8085 microprocessor have?
A. 30
B. 39
C. 40
D. 41
More MCQs
http://mcqelectrical4u.com/electrical-engineering/electrical-engineering-mcq_33
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Q.43 The supper heating of steam provides benefits of
A. increases overall efficiency of power station
B. to avid too much condensation in last stage of turbine
C. to reduced corrosion of turbine blades
D. all of the above
More mcqs
http://mcqelectrical4u.com/thermal-power-station-quiz/power-system-mcq_03thermal-power-station_03
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Q.34 A steam power station is suitable where
A. large amount of coal is available
B. large quantity of water available
C.large space available of coal and ash handling
D. all of the above
More mcqs
http://mcqelectrical4u.com/thermal-power-station-quiz/power-system-mcq_03thermal-power-station_03
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Q.483 Ideal voltage source should have
A. Zero internal resistance
B. Infinite internal resistance
C. Large value of Electro-Magnetic Induction
D. Large value of current
More mcqs
http://mcqelectrical4u.com/electrical-engineering/electrical-engineering-mcq_31
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Q.500 The short circuit test in the transformer is performed to determine
A. Iron loss
B. Hysteresis loss
C. Copper loss at any load
D. Eddy current loss
More mcqs
http://mcqelectrical4u.com/electrical-engineering/electrical-engineering-mcq_32
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Q.33 ___ is the process of achieving uniform electrostatic stress in the dielectric of cables.
A. Economical size of cable
B. Grading of cables
C. potential gradient
D. capacitance of cables between core to core and core to earth
More mcqs
http://mcqelectrical4u.com/cables-quiz/cables-quiz_03
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Q.63 What is the color of the neutral in four core cable?
A. Red
B. Yellow
C. Blue
D. Black
More MCQs
http://mcqelectrical4u.com/cables-quiz/cables-quiz_05
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Q.1 The most of the loads on power system are ___
A. capacitive loads
B. inductive loads
C. resistive loads
D. combinations of all of the above
More MCQs
http://mcqelectrical4u.com/category/power-factor-improvement-quiz
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Q.33If the load on the synchronous motor is increases then the excitation voltage
A. will also increases
B. remains constant
C. will decreases
D. will fluctuate
More mcqs
http://mcqelectrical4u.com/3-phase-synchronous-motor-quiz/electrical-machine-quiz_393-phase-synchronous-motor_3
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Q.15 Bus bar operates on ____
A. variable voltage
B. constant voltage
C. peak voltage
D. transient voltage
More MCQs
http://mcqelectrical4u.com/power-system-protection/power-system-protection-mcq_01-introduction
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Q.40 During arcing in oil circuit breaker the oil is decomposed into
A.hydrogen gas
B.small percentage of methane,
C.small percentage of ethylene and acetylene
D.all of the above
More MCQs
http://mcqelectrical4u.com/power-system-protection/power-system-protection-mcq_03
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Q. 2 Which of the following factors affect the resistivity of the materials?
A. cold working, temperature
B. age hardening
C. mechanical stress, alloying
D. All of the above
More mcqs
http://mcqelectrical4u.com/engineering-materials/basic-electrical-engineering-mcq_46_1engineering-materials
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Q.85 In Scott connections the two transformers have...
A. equal ratio of transformations
B. unequal transformations
C. depends upon the load power factor
D. main transformer has 2 time transformation
More mcqs
http://mcqelectrical4u.com/3-phase-transformer-quiz/electrical-machine-quiz_23dc-generator_06
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Q.17 What is the unit of luminous flux?
A. Candle power
B. Lumens
C. Lux
D. none of the above
More mcqs
http://mcqelectrical4u.com/illumination/lighting-system_02
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Q.13 Part of ultraviolet radiations can be converted into visible light by ___.
A. Incandescent body
B. Fluorescent substance
C. Radiating body
D. any of the above
More mcqs
http://mcqelectrical4u.com/utilization/lighting-system_01illuminnation
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Q.23 Pure semiconductors are doped with_____ substance to increase their conductivity.
A. trivalent
B. pentavalent
C. Both A or B
D. tetravalent
More MCQs
http://mcqelectrical4u.com/power-electronics/semiconductors-mcq_02
For GK
https://societyofknowledge.blogspot.com/2023/02/important-measurement-06.html?m=1
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Q.14 In semiconductor the vacant energy state in the valance band is known as__
A. holes
B. positive charge
C. electrons
D. negative charges
More MCQS of Power Electronic
http://mcqelectrical4u.com/power-electronics/semiconductors-mcq_01
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625. Series capacitors are used to
A. Improve line frequency and eliminate harmonics
B. Compensate for line inductive reactance
C. Neutralize line capacitive reactance
D. None of the above
More mcqs
http://mcqelectrical4u.com/electrical-engineering/electrical-engineering-mcq_40
GK
https://societyofknowledge.blogspot.com/2023/02/important-measurement-06.html?m=1
