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Electrical Engineering Multiple Choice Solved Questions from 5601 Electrical Engineering Question No. 5601 When two transformers are operating in parallel, they will share the load as under:  (A) proportional to their impedances.  (B) inversely proportional to their impedances.  (C) 50% - 50%  (D) 25%-75% Correct Answer Option: A Electrical Engineering Question No. 5602 In a salient pole synchronous machine (usual symbols are used): (A) xq > xd  (B) xq = xd (C) xq < xd  (D) 0 xq = Correct Answer Option: C Electrical Engineering Question No. 5603 A salient pole synchronous motor is running at no load. Its field current is switched off. The motor will (A) come to stop. (B) continue to run at synchronous speed. (C) continue to run at a speed slightly more than the synchronous speed. (D) continue to run at a speed slightly less than the synchronous speed.  Ans: B Electrical Engineering Online Exam Questions for Recruitment of Vacant Pos...

Diploma Engineering CET Question Papers pdf. download Diploma Engineering CET Question Papers listed below can be downloaded in pdf. format, which is useful for preparing following branch examinations. No. of Question Papers available: 12 Question Paper Format: pdf. Is Diploma Engineering CET Question Papers downloadable for free: Yes its available for download free of cost. Source of Question paper: The Source of Question Paper is KEA  01. Civil Engineering  02. Chemical Engineering / Polymer Technology  03. Computer Science and Engg / Information Science Engg.  04. Environmental Engg. / Public Health Engg. / Water Tech / Health Sciences  05. Textile Technology  06. Electrical and Electronics Engineering  07. Electronics and Communication Engineering  08. Mechanical Engineering  09. Aeronautical Engineering  10. Mining Engineering  11. Ceramics Technology  12. Biotechnology More Diploma Engineering Question Papers for free do...

Electrical Engineering Earthing/ Grounding Related Questions with Answer Electrical Engineering Earthing /Grounding Related Questions with Answer-Part I Question No. # 1. Average resistance of human body is a) 500 ohms b) 900 ohms c) 1000 ohms d) 2000 ohms Ans: C Question No. # 2. Earth wire or ground wire is made of a) copper b) aluminium c) iron d) galvanized steel Ans: d Question No. # 3. When the 3-phase system is not grounded and if Single Line to Ground fault occurs, the voltage of the other two healthy phases will a) Increases b) Decreases c) Remains unaffected Ans: a Question No. # 4. Generally grounding is provided for a) only for the safety of the equipment b) only for the safety of the operating personnel c) both (a) and (b) d) none of the above Ans: c Question No. # 5. Ground resistance should be designed such that a) grounding resistance should be always zero b) grounding resistance should be as high as possible c) grounding resistance should be as low as possible d) none ...

Electrical Engineering Online Exam Questions for Recruitment of Vacant Posts Electrical Engineering Exam Questions for preparing the Online/ Offline Examination conducted to recruit the Electrical Engineers in Different departments are listed below. The Answer is provided immediately after each question for your convieniece EE Question No.#01. The weight of an aluminium conductor as compared to a copper conductor of identical crosssection, for the same electrical resistance, is (a) 50% (b) 60% (c) 100% (d) 150% Ans: a EE Question No.#02. An open resistor, when checked with an ohm-meter reads (a) zero (b) infinite (c) high but within tolerance (d) low but not zero Ans: b EE Question No.#03. are the materials having electrical conductivity much less than most of the metals but much greater than that of typical insulators. (a) Varistors (b) Thermistor (c) Semi-conductors (d) Variable resistors Ans: c EE Question No.#04. 1 angstrom is equal to (a) 10-8 mm (6) 10″6 cm (c) 10″10 m (d) 10~14...

Electrical Engineering questions and answers for competitive exams  published here which help the Electrical Engineering candidates going to attend the upcoming Recruitment Examination for the post of Junior Electrical Engieer, Electrical Engineer, Electrical Project Manager, Electrical Engineering Project Head etc.  Question No. 1. The range of efficiency for shaded pole motors is (a) 5% to 35% (b) 80% to 90% (c) 50% to 75% (d) 95% to 99% Answer: (a) 5% to 35% Question No. 2. Unbalanced 3-phase stator currents cause (A) double frequency currents in the rotor (B) healing of rotor (C) vibrations (D) all of the above. Answer:  (D) all of the above. Question No. 3. An important advantage of a synchronous motor over wound round induction motor is that (a) its power factor may be varied at will (b) its speed is independent of supply frequency (c) its speed may be controlled more easily (d) none of the above Answer: (a) its power factor may be varied at will Ques...

Q1. In a D.C. machine, the value of peripheral speed should not, normally, exceed (a) 10 m/s (b) 20 m/s (c) 30 m/s (d) 40 m/s Ans: c Q2. The main difference between the isolation amplifier and an instrumentation amplifier is A) an instrumentation amplifier has an input stage. B) an instrumentation amplifier has an output stage. C) an instrumentation amplifier has a differential stage D) the input, output, and power supply stages of an isolation amplifier are all electrically isolated from each other Q3. The high voltage winding is usually which of the following type ? (a) Cylindrical winding with circular conductors (b) Cross-over winding with either circular or small rectangular conductors (c) Continuous disc type winding with rectangular conductors (d) All of the above types Ans: d > Q4. What is the minimum number of conversions per second of a clock rate of 1 MHz operating a 10- stage counter in an ADC? A) 1000 B) 976 C) 769 D) 697 Q5. Tractiv...

Question No. 1. The d.c. series motor should always be started with load because (A) at no load, it will rotate at dangerously high speed. (B) it will fail to start. (C) it will not develop high starting torque. (D) all are true.  Ans: A Question No. 2. The armature of a dc machine is laminated to reduce: (A) Eddy current loss (B) Hysteresis loss (C) copper losses (D) friction and windage losses  Ans: A Question No. 3. The frequency of the rotor current in a 3 phase 50 Hz, 4 pole induction motor at full load speed is about (A) 50 Hz. (B) 20 Hz. (C) 2 Hz. (D) Zero.  Ans: C Question No. 4. If a single phase alternator has 8 slots per pole uniformly speed, but the winding is arranged with the middle two left empty, the breadth coefficient will be (A) 0.53. (B) 0.88 (C) 0.67 (D) 0.99 Answer: (A) 0.53. Question No. 5. In DC generators, armature reaction is produced actually by  (A) Its field current. (B) Armature conductors.  (C...

Q1. The e.m.f. generated in a D.C. generator is directly proportional to (a) flux/pole (b) speed of armature (c) number of poles (d) all of the above Ans: b Q.2 In a d.c. machine, the armature mmf is (A) stationary w.r.t. armature. (B) rotating w.r.t. field. (C) stationary w.r.t. field. (D) rotating w.r.t. brushes.  Ans: C Q3. In a commutator (a) copper is harder than mica (b) mica and copper are equally hard (c) mica is harder than copper (d) none of the above Ans: c Q4. The emf generated due to nth harmonic component of flux in an alternator will be (A) n times the fundamental emf (B) same as fundamental emf (C) less than the value of fundamental emf. Q5. In a capacitor start single-phase induction motor, the capacitor is connected  (A) in series with main winding.  (B) in series with auxiliary winding.  (C) in series with both the windings.  (D) in parallel with auxiliary winding.  Ans: B Q6. The insulating mate...

1. The armature of D.C. generator is laminated to (a) reduce the bulk (b) provide the bulk (c) insulate the core (d) reduce eddy current loss Answer:  (d) reduce eddy current loss 2. In an alternator if the winding is short pitched by 50 electrical degrees, its pitch factor will be (A) 1.0 (B) 0.866 (C) 0.75 (D) 0.50. Answer: (B) 0.866 3. In lap winding, the number of brushes is always (a) double the number of poles (b) same as the number of poles (c) half the number of poles (d) two Answer: (b) same as the number of poles 4. Equilizer rings are required in case armature is (a) wave wound (b) lap wound (c) delta wound (d) duplex wound Answer: (b) lap wound 5. The number of brushes in a commutator depends on (a) speed of armature (b) type of winding (c) voltage (d) amount of current to be collected Answer: (d) amount of current to be collected

Q No. 1. The bearings used to support the rotor shafts are generally (a) ball bearings (b) bush bearings (c) magnetic bearmgs (d) needle bearings Ans: a Q No. 2. Synchronizing torque comes into operation under all of the following cases EXCEPT (A) phase difference between two voltages (B) frequency difference between two voltages (C) voltage difference between two voltages (D) reduction in exciting current in one of the alternators. Q No. 3. In case of a 4-pole D.C. generator provided with a two layer lap winding with sixteen coils, the pole pitch will be (a) 4 (b) 8 (c) 16 (d) 32 Ans: b Q No. 4. Welding generator will have (a) lap winding (b) wave winding (c) delta winding (d) duplex wave winding Ans: a Q No. 5. Commonly used instruments in power system measurement are (a) induction (b) moving coil or iron (c) rectifier (d) electrostatic Ans: a Q No. 6. The demagnetising component of armature reaction in a D.C. generator (a) redu...

Electrical Engineering Questions with Answer published on 06/05/2019  $1. In a transformer the voltage regulation will be zero when it operates at (A) unity p.f. (B) leading p.f. (C) lagging p.f. (D) zero p.f. leading. Ans: B $2. An induction meter can handle current upto (a) 10 A (b) 30 A (c) 60 A (d) 100 A Ans: d $3. The maximum power in a synchronous machine is obtained when the load angle is (A) 0° (B) 85° (C) 120° (D) 135°. Answer: (B) 85° $4 In a 3-phase synchronous motor  (A) the speed of stator MMF is always more than that of rotor MMF.  (B) the speed of stator MMF is always less than that of rotor MMF.  (C) the speed of stator MMF is synchronous speed while that of rotor MMF is zero.  (D) rotor and stator MMF are stationary with respect to each other.  Ans: D $5. The switch board instruments (a) should be mounted in vertical position (6) should be mounted in horizontal position (c) either (a) or (b) (d) ne...

Question No. 1. Which of the following is measured by using a vector voltmeter ? (a) Amplifier gain and phase shift (b) Filler transfer functions (c) Complex insersion loss (d) All of the above Ans: d Question No. 2. When a synchronous motor is running at synchronous speed, the damper winding produces (A) damping torque.  (B) eddy current torque. (C) torque aiding the developed torque.  (D) no torque.  Ans: D Question No. 3. In a Schering bridge the potential of the detector above earth potential is (a) a few volts only (6) 1 kV (c) 5 kV (d) 10 kV Ans: a Question No. 4.In order to reduce the harmful effects of harmonics on the A.C. side of a high voltage D.C. transmission system ______are provided.  (A) synchronous condensers (B) shunt capacitors (C) shunt filters (D) static compensators  Ans: C Question No. 5. A sensitive galvanometer produces large deflection for a (a) small value of current (b) large value of current (c) ...

Question No. 1. The power factor of a squirrel cage induction motor is (A) low at light load only. (B) low at heavy load only. (C) low at light and heavy load both. (D) low at rated load only.  Ans: A Question No. 2. Systematic errors are (a) instrumental errors (b) environmental errors (c) observational errors (d) all of the above Ans: d Question No. 3. Which of the following statements is correct for any closed loop system ? (a) All the co-efficients can have zero value (6) All the co-efficients are always non-zero (c) Only one of the static error co-efficients has a finite non-zero value (d) None of the above Ans: c Question No. 4 The temperature of resistance furnaces can be controlled by changing the:  (A) applied voltage (B) number of heating elements  (C) circuit configuration (D) All of the above  Ans: D Question No. 5. A Weston synchronoscope is a (a) moving coil instrument (b) moving iron instrument (c) dynamometer instru...