ENGINEERING CAREER AND STUDY MATERIALS

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) Field pole winding. (D

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 material used between the commuta

Post :Junior Technician Age : 27 years Pay Scale :Rs.21,700/- - Rs.69,100/- Qualification : Three-year Diploma in Engineering/Bachelor’s Degree in Science as required in relevant branch with at least 60% marks or equivalent CGPA from a recognized University/Institution or Post SSLC with 2 year ITI with 60% marks or equivalent CGPA from a recognized board/University/ Institute with 2 years of relevant experience. Discipline Required:Post Nos: 2004 : Computer Science & Engineering,Post Nos: 2005 : Chemistry Starting date for submission of online application : 20 April 2020 Last date for submission of online application : 15 May 2020 For more details click here

Post :Assistant Engineer - Civil Vacancy :31 Age : Male : 21 to 37 years           Female : 21 to 40 years Qualification :Engineering Degree in Civil Engineering form recognized University Starting Date for Registration Of Online Application 11 March 2020 Last Date for Registration Of Online Application 05 May 2020 Last Date for Application fee 12 May 2020 Last Date for Submission Of Online Application 22 May 2020 For more details click here

Post :Senior Section Engineer / Rolling Stock and Section Engineer Vacancy :10 Age : 55 to 61 years Pay Scale : Senior Section Engineer / Rolling Stock :Rs 55800/-                    Section Engineer : Rs 47700/- Qualification :Candidates working /retired from Railways /Railway PSUs etc. Must be in Grade 9300-34800(GP-4600)(GP-4200)  CDA# or equivalent (IDA) Last Date for Submission Of Online Application 30  April 2020 For more details click here

Post :Software Application Developer Vacancy :02 Qualification : B.E/ B.Tech/ M.Sc (CS/ IT)/MCA/ M.Tech Web Technology: MS .NET 2.0 / JSP / J2EE/ PHP/ Ruby/ Perl / Python etc. RDBMS: MS SQL /Oracle / Postres/ MySQL. Experience of writing code, testing and debugging, etc. Experience of Preparing User / Admin Manual, Experience of providing end user training etc. Relevant Experience required as per levels specified in the scope,preferably in Government Central/State/PSU etc. Last date for submission of application :18 April 2020 For more details  click here

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

Post :Junior Research Fellow Vacancy :01 Pay Scale : Rs.25,000/- per month+ 16 % HRA Qualification : (i) Master’s degree in civil engineering: Geo technical Engineering/ Computer Science Engineering with a valid GATE score or UGC/ CSIR-NET qualification. Desirable Qualification:Candidates having experience in programming in Python, Matlab, or R are encouraged to apply. For more details click here

Post :Insurance Research Engineers Qualification :B.Tech (Computer Sc., ECE, IT) from reputed engineering institutions in the country with strong background in C/C++ programming, OS and Computer Networks. How to apply: Send an email attached with your CV to sambuddho@iiitd.ac.in, with subject line ``Position -- RE” by April 15, 2020. Last Date for Submission Of Application  15  April 2020 For more details  click here

Post :Executive Director (S&T) Vacancy : 01 Qualification & Experience:An officer with a Degree in Engineering in Electronics/ Electronics &Communication from a recognised University (or equivalent Engineering qualification) with a total experience of 14 years in Indian Railways or its subsidiary/sister concerns, Metro Rail Corporations or any other Department/PSU/ Board/ Organisation of Government of India/ State Governments, preferably with an experience of 2 years in Metro Rail Projects and working in equivalent and/or immediate lower Level in the Pay Matrix for a total minimum period of 5 years. How to apply: Send your application to :- The Managing Director, Jaipur Metro Rail Corporation Ltd., Admin Building, Metro Depot, Bhrigu Path, Mansarovar, Jaipur – 302020 For more details  click here

Post :Graduate Engineer Trainee (GET) -Mechanical,Electrical Instrumentation,Chemical,Metallurgy,Civil,Mining Vacancy :Mechanical 45                 Electrical  29                 Instrumentation 15                 Chemical        09                 Metallurgy 13                 Civil         05                 Mining         04                 Total        120 Pay Scale :Rs 40000/- Age : 30 years Qualification : Bachelor’s Degree in Engineering or Technology with not less than 65 % marks. Last Date for Submission Of Online Application 02 May 2020 For more details  click here

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

Engineering Services (Preliminary - Stage I) Examination, 2019 Civil Engineering Paper  Electrical Engineering Paper, Electronics and Telecommunication Engineering Paper, General Studies and Engineering Aptitude Paper, Mechanical Engineering Engineering Services (Preliminary - Stage I) Examination, 2019 Question Papers Click on the following links to download Civil Engineering Paper  Electrical Engineering Paper, Electronics and Telecommunication Engineering Paper, General Studies and Engineering Aptitude Paper, Mechanical Engineering Engineering Services (Preliminary - Stage I) Examination, 2019 Question Papers   Civil Engineering Paper   Electrical Engineering Paper   Electronics and Telecommunication Engineering Paper   General Studies and Engineering Aptitude Paper   Mechanical Engineering Paper

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) neither (a) nor (b) Ans: a