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ELECTRICAL ENGINEERING QUESTION ANSWERS

Junior Engineer (Electrical) - AIIMS Jodhpur Model Question Answer Electrical Engineers Recruitment Examination conducted by AIIMS Jodhppur, the previous question papers published in our websites and the model questions answers are listed below Q. No. 1. Various adjustments in an energy meter include (a) light load or friction (b) lag and creep (c) overload and voltage compensation (d) temperature compensation (e) all of the above Answer: (e) all of the above Q. No. 2. The line trap unit employed in carrier current relaying: (A) offers high impedance to 50 Hz power frequency signal (B) offers high impedance to carrier frequency signal (C) offers low impedance to carrier frequency signal (D) Both (A) & (C) Answer: (B) offers high impedance to carrier frequency signal Junior Engineer (Electrical) - AIIMS Jodhpur Model Question Answer   Q. No. 3.Most sensitive galvanometer is (a) elastic galvanometer (b) spot ballistic galvanometer (c) Duddlb galvanometer (d) vib

Electrical Engineering MCQ with Answers

Question No.1. A d.c. shunt motor runs at no load speed of 1140 r.p.m. At full load, armature reaction weakens the main flux by 5% whereas the armature circuit voltage drops by 10%. The motor full load speed in r.p.m. is (A) 1200 (B) 1203 (C) 1000 (D) 1080 Answer: (D) 1080 Question No.2 The voltage at the two ends of a transmission line are 132 KV and its reactance is 40 ohm. The Capacity of the line is (A) 251.5 MW (B) 217.8 MW (C) 435.6 MW (D) 500 MW Answer: (C) 435.6 MW Question No.3. The gravity controlled instrument has crowded scale because current is proportional to (A) balancing weight (B) deflection angle (C) sine of deflection angle (D) Location of CT Ans: (C) sine of deflection angle Question No.4. For LV applications (below 1 kV), ______________ cables are used. (A) Paper insulated. (B) Single core cables. (C)Plastic. (D) Oil filled. Answer: B) Single core cables. Question No.5. The eddy current loss in an a-c electric motor is 100 watts

Electrical Engineering Questions with Answer

Electrical Engineering Questions with Answer 2017 Question # 1. The drive motor used in a mixer-grinder is a (A) universal motor. (B) induction motor. (C) synchronous motor. (D) dc motor. Ans: (A) universal motor. Question # 2. The direction of rotation of hysteresis motor is reversed by  (A) Reversing supply lead  (B) Shift shaded pole with respect to main pole  (C) Either A or B  (D) Neither A nor B Ans: (B) Shift shaded pole with respect to main pole Question # 3. Alternating current is measured by (A) induction ammeter (B) permanent magnet type ammeter (C) electrostatic ammeter (D) moving iron repulsion type voltmeter Ans: (A) induction ammeter Question # 4. A 3-phase, 400 votts, 50 Hz, 100 KW, 4 pole squirrel cage induction motor with a rated slip of 2% will have a rotor speed of (A) 1500 rpm (B) 1570 rpm (C) 1530 rpm (D) 1470 rpm Ans: (D) 1470 rpm Question # 5. The torque, in a _____________is proportional to the square of the armature current (

ELECTRICAL ENGINEERING QUESTION ANSWERS

1. Which of the following is not a vector ? (a) Linear momentum (b) Electric potential (c) Electric field (d) Angular momentum Answer: (d) Angular momentum 2. The efficiency of a machine should be as ______ as possible to reduce the operating cost. (a) high (b) low (c) either of the above (d) none of the above Answer:(a) high 3. The force between two charges is 120 N. If the distance between the charges is doubled, the force will be (a) 60 N (b) 40 N

ELECTRICAL ENGINEERING QUESTION ANSWERS

Question# 1. A sensitive galvanometer produces large deflection for a (a) large value of power (b) large value of current (c) small value of current (d) large value of voitage (e) none of the above Answer: (c) small value of current Question# 2. Mass, in force-voltage analogy, is analogous to (a) charge (b) current (c) resistance (d) inductance Answer: (d) inductance Question# 3. To measure radio frequency, the suitable frequency meter is (a) hetrodyne frequency meter (b) reed vibrator frequency meter (c) Weston frequency meter (d) electrical resonance frequency meter Answer: (a) hetrodyne frequency meter Question# 4. Which of the following can be measured by the use of a tacho-generator ? (a) Acceleration (b) Speed (c) Speed and acceleration (d) Displacement Answer: (b) Speed Question# 5. The power of a n-phase circuit can be measured by using a minimum of (a) (n - 1) wattmeter elements (b) n wattmeter elements (c) (n + 1) wattmeter elements (d

ELECTRICAL ENGINEERING EXAM QUESTIONS JULY 2017

Question # 1. In open loop system (a) the control action is independent of the output (b) the control action depends on system variables (c) the control action depends on the input signal (d) the control action depends on the size of the system Answer: (a) the control action is independent of the output Question # 2. Standard resistor is made from (a) platinum (b) maganin (c) silver (d) nichrome Answer:  (b) maganin Question # 3. Which of the following is the output of a thermocouple ? (a) Alternating current (b)  D.C. voltage (c) A.C. voltage (d) Direct current Answer:  (b)  D.C. voltage Question # 4. In a Weston frequency meter, the magnetic axes of the two fixed coils are (a) parallel (b)  inclined at 60° (c) perpendicular (d) inclined at 120° Answer: (c) perpendicular Question # 5. can be extended to systems which are time-varying ? (a) Bode-Nyquist stability methods (b) Transfer functions (c) Root locus design (d) State model representatives

ELECTRONICS ENGINEERS RECRUITMENT EXAM QUESTIONS WITH ANSWER

Question1:-The main advantage of CMOS is its  A:-Low power consumption  B:-High power rating  C:-Small signal operation  D:-Fast switching capability  Correct Answer:- Option-A Question2:-A lamp is controlled from two positions A and B (eg : staircase circuit). The boolean expression for the above circuit is  A:-  B:-  C:-  D:-  Correct Answer:- Option-B Question3:-Which one of the following is not written by Ponkunnam Varkey ?  A:-Vikarasadanam  B:-Nivedanam  C:-Aniyara  D:-Kudumbini  Correct Answer:- Option-D Question4:-The main constituents of a Portland Cement is  A:-lime  B:-Alumina  C:-Iron Oxide  D:-Alkalies  Correct Answer:- Option-A Question5:-Vagbhadanandha was the main disciple of  A:-Sree Narayanaguru  B:-Chattampi Swamikal  C:-Brahmananda Sivayogi  D:-V. T Bhattathiripad  Correct Answer:- Option-C Question6:-Monetary Museum of Reserve Bank of India is situated at  A:-Kolkata  B:-Mumbai  C:-Bengaluru  D:-Delhi  Correct Answer:- Option-B