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DRDO SET- Pattern and Sample Paper
=======================================================
DRDO Question Pattern
DRDO Scientist Entry Test(SET) is a 3 hour test.It consists of
100 Technical Questions
25 Genral Knowledge Questions
25 Aptitude.
Technical Questions
----------------------
The technical questionnaire will be covering the entire engineering syllabus,whatever the stream you have applied for.It may contain questions from basic subjects to the advanced level.
So better use GATE coaching tests for the preparation.
Electronics and Communication paper usually have the following specialized subjects
Radar and Television
Satellite communication,
Electro magnetic and Antenna theory,
Digital communication and filter design
Microprocessors.
The questions from basic subjects like analog and digital electronics,networks will be usually easy but sometimes a little twisted.
Aptitude
-----------
The aptitude questions will be covering the usual topics like
Ratio & Proportion
Time and distance.
Time and work
Progression based questions.
Simple geometry.
Logarithms.
Standard aptitude text books like Agarwaal is recommended.
General knowledge.
----------------------
A sample GK paper is posted recently in this site.Current affairs and general questions on history,geography,science etc are asked.
Magazines like Competition Success Review,Year Books and GK related websites can be used.
Sample Questions of DRDO SET for E&C stream
----------------------------------------------------
1.The ethernet protocol uses
a. CSMA/CA
b.SCPC
c.CSMA/CD
d.Slotted ALOHA
2.A 1 kHz carrier is Amplitude Modulated to a depth of 60%.the total power of the modulated carrier is
a.1kW
b.1.06kW
c.1.6kW
d.1.18kW
3.A micro controller differs from microprocessor in terms of
a.I/O interfaces and memory configuration.
b.Data bus width and clock speed
c.memory configuration and instruction decoding.
d.I/O interfaces and instruction decoding.
4.An inductance of 1H is realised using air core with 100 turns.What will be the inductance if the number of turns are doubled?
a.1H
b.0.5H
c.2H
d.None of the above.
5.The divergence of magnetic flux density is
6.A straight line and a circle of radius r are given.a chord is drawn at random to this circle parallel to the given line.expected lenght of the chord ois
a. 2a
b.∏a
c.∏a/2
d.none
7.An inductor of inductance 0.1H,carrying a current of 6A will store energy of
a.6 J
b.36J
c.1.8J
d.3.6 J
8.When signal frequency is 2000KHz and IF is 455 KHz,the image frequency is
a.2910KHz
b.1645KHz
c.2455KHz
d.2090KHz
9.A source produces 4 symbols with a probability of 1/2,1/4,1/8,1/8.The avg. code word length is 2 bits/symbol.The efficiency of the code is
a.1
b.7/8
c.1/2
d.1/4
10.A man with n keys wants to open a lock.He tries his keys at random.The expected no. of attempts for his success is
a.n
b.n/2
c.n^1/2
d.none
11.In Radar equation,how the range depends upon frequency of the signal used.
12.The purpose of Cassegrain feed in parabolic reflector antenna is to
a.Acheive higher antenna gain
b.Reduce antenna size
c.Reduce beam-width
d.Ease of locating feed.
13.The advantage of ∏/4QPSK compared to conventional QPSKis
14.Unattenuated radiation field at the surface of the earth of a quarter-wave monopole will exist if the earth surface is
a.Lossy dielectric
b.Perfect insulator
c.Perfect conductor
d.None
15.What is the approximate skin depth in copper at 100MHz.
a.0.1 micron
b.10 micron
c.10mm
d.100 mm
General Knowledge for DRDO SET, Bank Probationary Test
====================================================================
(a)Prime Minister
(b)Speaker of the Lok Sabha
(c)Chief Justice of
(d)Deputy Chairman of Rajya Sabha
ANS (c)
2. Who among the following advocated Scientific Socialism?
(a) Robert
(b)Proudhon Pierre Joseph
(c)Karl Marx
(d)Saint Simon Henri Claude
ANS (c)
3. During the Mughal period, which one of the following trades were the first to come to
(a) Portuguese
(b) Dutch
(c) Danish
(d) English
ANS (a)
4. Among the following States, which one sends the highest number of members to the Lok Sabha?
(a) Andhra Pradesh
(b)
(c) Karnataka
(d) Madhya Pradesh
ANS (a)
5. With reference to the Indian Parliament, consider the following statements :
1. A member of the Lok Sabha cannot be arrested by the police under any case when the Parliament is in session.
2. Members of the Indian Parliament have the privilege of exemption from attendance as witnesses in the law courts.
Which of these statement is/are correct ?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
ANS (b)
6. Who among the following was appointed by Ashoka to administer justice in his empire?
(a) Shramana
(b) Uparika
(c) Rajuka
(d) Kumaramaya
ANS (c)
7. Consider the following statement :
1. Jainism in ancient
2. Jain religious literature was written in Ardhamgadhi.
3. Mahavira admitted women into the order of his follows.
Which if these statement is/are correct ?
(a) G. G. Agarkar
(b) M. G. Ranade
(c) R. G. Bhandarkar
(d) G. H. Deshmukh
ANS (b)
8. Who among the following was the author of Rajtarangini, commonly regarded as the first genuine history of
(a) Banbhatta
(b) Ravikirti
(c) Pushpananda
(d) Kalhana
ANS (d)
9. Who among the following was the first economist to hold the office of Secretary, Department of Economic Affairs in the Union Finance Ministry?
(a) Dr. I.G. Patel
(b) Dr. Manmohan Singh
(c) Rakesh Mohan
(d) Dr. M.S. Ahluwalia
ANS (a)
10.What does the abbreviation ATR stand for?
(a) Action Taken Result
(b) Actually True Report
(c) Action Taken Report
(d) Action Taken Rejoinder
ANS (c)
11. Which of the following cities will host 2012 Olympics Games?
(a)
(b)
(c)
(d)
ANS (c)
12. Why among the following was the founder of the Nyay Darshan, on of the six, major schools of ancient Indian philosophy?
(a) Patanjali
(b) Panini
(c) Kapil
(d) Gautam
ANS (d)
13. Which of the following companies has started a rural marketing network called “e-chaupal”?
(a) ITC
(b)Dabur
(c)
(d) Procter & Gamble
ANS (a)
14. Th e decision to from the Indian National Army (Azad Hind Fauj) was taken at :
(a)
(b)
(c)
(d)
ANS (d)
15. Th e decision to from the Indian National Army (Azad Hind Fauj) was taken at :
(a)
(b)
(c)
(d)
ANS (d)
16. Give the correct chronological sequence of the following :
1. Russian Revolution
2. American War of
3. Spanish Revolution
4. The French Revolution
(a) 1 2 4 3
(b) 2 4 3 1
(c) 2 1 4 3
(d) 4 2 3 1
ANS (b)
17. Which of the following States has the highest female literacy rate, according to 2001 Census?
(a) Mizoram
(b) Kerala
(c) Tamil Nadu
(d) Meghalaya
ANS (b)
18. Who among the following has been choosen the FDI Personality of the Year 2007 in
(a) P. Chidambaram
(b) Kamal Nath
(c) Ratish Nayaar
(d) Kaushik Rai
ANS (b)
19. At which of the following places
(a) Mumbai
(b) Noida
(c) Chennai
(d)
ANS (c)
20. Which of the following Fortune 500 Indian companies has suffered loss for the first time in the first quarter of 2005-06? (a) Indian Oil Corporation
(b) ONGC
(c) Reliance Industries
(d) Bharat Petroleum Corporation
ANS (a)
21. Answers Correct Answer User Answer
(a) V.K. Duggal
(b) Jairam Ramesh
(c) Dr. I.G. Patel
(d) Jagmohan
ANS (d)
22. Which one of the following is not a land-locked country?
(a)
(b )
(c)
(d)
ANS (d)
23. Who invented polio vaccine (oral)?
(a) Albert Sabin
(b) Burkholder
(c) Luise Pasture
(d) Jonas Salk
ANS (a)
24. Which one of the following processes is not related with chemical weathering?
(a) Exfoliation
(b) Carbonation
(c) Hydration
(d) Oxidation
ANS (a)
25. Mist is caused by :
(a) Dry ice
(b) Ice at low temperature
(c) Water vapours at low temperature
(d) Carbon-monoxide in solid form
ANS (c)
16. What is the full form of the term ?PIARC? ?
(A) Permanent International Association of Road Congress
(B) Permanent Indian Association of Road Congress
(C) Permanent International Accident of Road Congress
(D) Permanent International Association of Rapid Congress
(E) None of these
Ans (A)
17. What is the percentage of the African countries in the earth areas ?
(A) 28%
(B) 18%
(C) 20%
(D) 25%
(E) 35%
Ans (C)
18. International women?s day is celebrated every year on ?
(A) January 26
(B) March 8
(C) August 26
(D) December 8
(E) None of these
Ans (B)
19. Gary Kirsten signed a two year contract with BCCI to coach the Indian Cricket team, belongs to :
(A)
(B)
(C) West Indies
(D)
(E)
Ans (A)
20. Capital formation in an economy depends on :
(A) Total income
(B) Total savings
(C) Total demand
(D) Total Production
(E) None of these
Ans (D)
21. The National Old age Pension Scheme has now been extended to cover the entire BPL people above———- of age
(A) 55 years
(B) 60 years
(C) 62 years
(D) 65 years
(E) None of these
Ans (D)
22. According to the Union Finance Minister , by which year will
(A) 2015
(B) 2025
(C) 2030
(D) 2032
(E) 2040
Ans (B)
ANALOG ELECTRONICS INTERVIEW QUESTIONS-PART II
=======================================================
1) what are the different modes of operation of mosfet and BJT ( Linear & Switching and Cut off)
2) how do you implement a current source using BJT or MOSFET.
3) what is hysteresis. and what are the advantages and disadvantages of it.
4) what are the effects of vias on PCB.
5) how do you design a voltage to frequency converter.
6) 8051 architecture.
7) Ethernet communication
8) Different types of serial communications ex. I2C
9) Different types of memory devices ( ROM, RAM,SRAM and EEPROM etc)
10) How to select an Opto coupler.
11) what is the main advantage of using a bridge rectifier rather than using a full wave rectifier.
12) what are the applications of zener diode.
13) what are the applications of schottky diode.
14) why do we need a Gate Driver for Mosfet in Switching operations.
15) what is pulse width modulation. give any examples.
16) how does SMPS ( Switch mode power supply works)
17) what does it mean by PID control.
18) what are different types of Flip flops.
19) what is meant by quiescent current and what is the significance of it.
20) How does an instrumentation amplifier differs from normal operational amplifier
21) What are snubbers and how does they protect switching circuits.
22) What is sampling time and how to fix it.
23) What is Rogowski coil and what are its advantages over normal current transformer.
24) What is Ringing, Overshoot and Undershoot how to reduce them.
25) what is a relaxation oscillator.
26) what is hysteresis.
27) what are the different applications of comparators.
28) how does a Unijunction Transistor works.
29) how does programable unijunction transistor works.
30) what are the differences between ASIC, FPGA and CPLD.
31) how to select a network processor.
32) what is the difference between radiated emissions and conducted emissions how to detect and reduce them.
33) what are the different types of negative resistance devices and what are their applications.
34) What is the major application of Zener Diode.
35) When do we use Schottky diode.
36) What is the difference between RISC and CISC processors.
37) What is tri-state logic.
38) What is the difference between Hardware reset and Software reset.
39) How do you determine the response time of any circuit.[loop response]
40) What is an integrator how do design it.
41) What factors will impact the characteristic impedance of the PCB (Dielectric property of insulating material, Seperation between the planes, thickness of the trace.)
42) What are the advantages of using differential signal routing in PCB.
43) How do we make sure that the impedance matching between driver and reciever are maintained?
6:49 AM |
Category:
Hardware Placement Papers,
Technical interviews,
Technical Question Banks
|
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ANALOG ELECTRONICS INTERVIEW QUESTIONS & TUTORIALS
==================================================
Its said that Analog Electronics is the most difficult area in elctronics engineering stream and analog electronics engineers and circuit designers are the most intelligent among the
elctronics engineers.Hence analog electronics questions are asked in most Electronics Interviews
for testing the indepth knowledge of the candidate.Here is a question bank for Analog Electronics containing important interview questions asked in major technical interviews a from this topic.
ANALOG ELECTRONICS --PART I
===========================
1) How does a MosFet works.
2) What are different types of BJT configurations and when do we use them.
3) What is the difference between TTL and CMOS ?
4) What is noise margin?
5) Which is the most important pin the micro-controller?
6) Explain about Ground Bounce and Vcc Sag.
7) What is EMI and what are different types of it.
8) One question on any kind of sensors you are aware of Ex: hall sensor etc.
9) What is LVDT.
10) How do we select the correct value of decoupling capacitor (or) what is the purpose of using a decoupling capacitor.
11) What is parasitic capacitance & what are the effects of it.
12) What is the difference between microprocessor and micro controller.
13) What are different types of micro processor architectures
14) What is the difference between by pass capacitor and decoupling capacitor
15) How do you select an op amp ( this can apply to other components also)
16) Single ended and Differential signals.
17) How do you decide the layer stack up on PCB.
18) Questions fromFilter Design: Analog and Digital Filters, different types of filters.
19) What is signal integrity?
20) What is meta stability?
21) Difference between CPLD and FPGA
22) Difference between DDR and DDR2 RAM.
23) What is termination? What are the different types of terminations?
24) When do you need to use an heat sink and how do you decide on that?
25) What is the difference between clock buffer and clock driver?
26) What is Jitter?
27) What is gain bandwidth product?
28) Define settling time of op amp?
29) What is slew rate of op amp, define common mode rejection ratio and input offset voltage?
30) What is the difference between static response and dynamic response?
31) What is an integrator and differentiator?
32) Define the parameters of an ADC or types of ADC etc?
33) What is sample and hold circuit?
34) What is a comparator?( some questions related to schmitt trigger or positive feed back of op amp)
35) What is Fan Out?
36) Different types of Voltage regulators. ( Linear, Switching etc..)
37) How do you create a basic delay circuit?
38) What is characteristic impedance?
39) What is ringing, undershoot and overshoot of a signal why do they occur and how to reduce them?
40)What are the parameters to be taken into consideration while selecting a mosfet?
1:46 AM |
Category:
Analog electronics,
Electronics interviews,
Technical interviews,
Technical Question Banks
|
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Tips for Professional Resume Writing
If you're writing a resume for a technical position here are a few valid guidelines.
1) Put your Technical Skills first
The most important resume tip is to highlight your technical skills, training and knowledge in the best manner. Make sure it is detailed and organized and that your technical expertise is clear. Your resume will most likely be electronically perused for the important keywords before routing it to the prospective employer. So always make sure you include relevant keywords, such as industry or job jargon, on all operating systems and programs with which you are proficient.
2) Customize Your Qualifications for the applied position.
The second resume tip is to customize your qualifications according to their relevance to the position for which you are applying, with the most relevant listed first. Your degree or certification is only listed if relevant to the available position. If, for example, you are applying for a graphic designer post and one of the prior positions you've held is as a graphic designer that job should be listed first - no matter where it appeared in your work experience chronologically.
3) Quantify Your Past Results
The third tip is to quantify your past experience and the knowledge gained. You could, for instance, enumerate the code lines you debugged, the amount of money you contributed to company’s turn-over, or the number of websites you have designed or developed.
4) Be active in your reference.
The fourth resume tip is to be active rather than passive in your resume. Begin each sentence with an action, keeping it in the past tense.
Eg. - Provided website maintenance services to an average of 25 customers per day for a period of 2 years.
It is important to clearly describe the value you provided to the employer in the past tense and starting with an action word. This will surely boost your chances since employers always prefer actions to words.
5) Sell yourself well.
The fifth resume tip is to blow your own horn. This is not the time to be shy. Treat your resume as a marketing and sales tool for yourself. Write it as if you are the product and the employer the consumer. Sell yourself. If you have a significant accomplishment that doesn't seem relevant to the job list it separately, but do list it.
6) Clear and Concise
The sixth tip is to be concise but the at same time put your point. Try to complete your resume in one to two pages. Don’t elaborate the details of past projects where you were not a vital part. Also keep in mind not to give any unnecessary information regarding yourself or your previous company to the potential employer.
7) Check for Silly Mistakes
The final tip is to check for errors. Check yourself for grammatical and punctuation errors or typographical mistakes. These types of mistakes gives you an image of carelessness.
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