BASIC ELECTRICAL MCQ

Q.18 The satisfactory operation of a cable depends upon the characteristics of ___. A. conductors B. insulation C. current carrying capacity D. any of the above More MCQs, Quiz, online test etc.. http://mcqelectrical4u.com/cables-quiz/cables-quiz_02 For GK https://societyofknowledge.blogspot.com/

Q.16 In power transmission line the power transmitted depends upon the ___ A. system reactance and the power angle B. system resistance and the power angle C. system capacitance and the power angle D. system reactance and inductance More mcqs http://mcqelectrical4u.com/supply-system/power-system-mcq_65supply-system_02 GK https://societyofknowledge.blogspot.com/

Q.109 The following diode is used for voltage stabilization?     A. Zener diode     B. Tunnel diode     C. P-N junction diode     D. power diode More mcqs and GK http://mcqelectrical4u.com/power-electronics/semiconductor-mcq_08 https://societyofknowledge.blogspot.com/

Q.80 Resistivity of a semi conductor depends on ____  A. width of bands  B. length of semi conductor  C. atomic nature of a semi conductor  D. shape and size of a semi conductor More MCQS http://mcqelectrical4u.com/power-electronics/semiconductors-mcq_06 General knowledge https://societyofknowledge.blogspot.com/

Q.3 How to minimize the hysteresis loss?     A. by reducing operating frequency     B. by reducing volume of the materials     C. by selecting a material which has narrow hysteresis loop     D. All of the above More mcqs http://mcqelectrical4u.com/electromagnetism/basic-electrical-engineering-mcq_52_1-electromagnetism General knowledge https://societyofknowledge.blogspot.com/

621. The equal area criterion of stability is applicable to A. Two machine system and infinite bus bars B. One machine system and infinite bus bars C. Multi-machine system only D. None of the above More mcqs http://mcqelectrical4u.com/electrical-engineering/electrical-engineering-mcq_40 General knowledge https://societyofknowledge.blogspot.com/

637. An all pass network imparts only A. Negative phase to the input B. Positive phase to the input C. +/–90 degree phase shift to the input D. +/–180 degree phase shift More MCQS http://mcqelectrical4u.com/electrical-engineering/electrical-engineering-mcq_41 General knowledge https://societyofknowledge.blogspot.com/

Q.328 For eliminating 7th harmonics from generated EMF in alternator the fractional pitch must be A. 2/3 B. 5/6 C. 7/8 D. 6/7 More MCQs http://mcqelectrical4u.com/electrical-engineering/electrical-engineering-mcq_21 For General knowledge https://societyofknowledge.blogspot.com/2021/07/national-parks-and-establishment07.html

Q.313 Normally the angle of the transmission line is kept____ because of ___ reasons. A. 45, transient stability B. 90, steady state stability C. 45, steady state D. 90, transient stability More mcqs http://mcqelectrical4u.com/electrical-engineering/electrical-engineering-mcq_20 For GK https://societyofknowledge.blogspot.com/2021/07/national-parks-and-establishment07.html

Q.283 The instantaneous value of power in purely inductive circuit is A. constant B. changing C. zero D. none of this More mcqs http://mcqelectrical4u.com/electrical-engineering/electrical-engineering-mcq_18 For General knowledge https://societyofknowledge.blogspot.com/2021/07/national-parks-and-its-establishment08.html

Q.266 IF the voltage is increased by n times, the size of the conductor would A. increase by n times B. reduce by 1/n times C. increase by n^2 times D. reduce by 1/n^2 times More mcqs http://mcqelectrical4u.com/electrical-engineering/electrical-engienering-mcq_17 General knowledge https://societyofknowledge.blogspot.com/2021/07/national-parks-and-its-establishment08.html

Q.251 The operating time of a fuse is about A. 0.002 sec. B. 1 sec. C. 0.8 sec D. 1.5 sec. More mcqs http://mcqelectrical4u.com/electrical-engineering/electrical-engineering-mcq_16 General knowledge https://societyofknowledge.blogspot.com/2021/11/indias-most-popular-temples01.html

Q.226 When p.f is improved, the KW capacity of alternator is A. increased B. decreased C. unaffected D. none of the above More MCQ http://mcqelectrical4u.com/electrical-engineering/electrical-engineering-mcq_14 For General Knowledge https://societyofknowledge.blogspot.com/2021/11/indias-most-popular-temples01.html

Q.150 Bulk power transmission over long HVDC lines are preferred on account of A. low cost of HVDC terminals B. Minimum line power losses C. no harmonic problems D. simple protection More MCQs http://mcqelectrical4u.com/electrical-engineering/electrical-engineering-mcq_09 For General Knowledge https://societyofknowledge.blogspot.com/2021/11/indias-most-popular-temples01.html

Q.131 Transposition of transmission line is done to A. reduce skin effect B. reduce line loss C. reduce corona D. balance line voltage drop More MCQs http://mcqelectrical4u.com/electrical-engineering/electrical-engineering-mcq_08 GENRAL KNOWLEDGE https://societyofknowledge.blogspot.com/search/label/WORLD%20KNOWLEDGE

Q.101 Due to skin effect A. current flows through the half cross section of the conductor B. portion of the conductor near the surface carries less current and the core of the conductor carries more current C. portion of the conductor near the surface carries more current and the core of the conductor carries less current D. uniform current flows through the conductor More MCQs http://mcqelectrical4u.com/electrical-engineering/electrical-engineering-mcq_06 For General Knowledge https://societyofknowledge.blogspot.com/

Q.60 Core type transformers are popular in___ A. high voltage applications B. low voltage applications C. all of the above D. none of the above More MCQs http://mcqelectrical4u.com/electrical-engineering/electrical-engineering-mcq_03

Q.119 Hysteresis in an instrument means A. the repeatability of the instruments B. the reliability of the instrument C. the change in the same reading when the input is first increased and then decreased D. the inaccuracy due to change in temperature More MCQS http://mcqelectrical4u.com/electrical-engineering/electrical-engineering-mcq_07

Q.163 Power system stability is least affected by A. Input torque B. Losses C. Reactance of generator D. Reactance of transmission line More MCQs http://mcqelectrical4u.com/electrical-engineering/electrical-engineering-mcq_10

Q.59 In a transmission line if booster transformers are be used, preferred location will be A. At the receiving end B. At the sending end C. At the intermediate point D. anywhere in the line More MCQs http://mcqelectrical4u.com/electrical-engineering/electrical-engineering-mcq_03