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DRDO Previous Papers 2023 | Download CEPTAM Old Question Papers PDF Online

DRDO Previous Papers

Download the Free DRDO Previous Papers PDF from this page. Solving DRDO Old Question Papers regularly will help the applicants to understand the distribution of questions and the difficulty level of exam. You can also get online DRDO Previous Papers With Answers which will help the applicants to know which type of questions will be asked in DRDO CEPTAM Exam.


DRDO Previous Papers

DRDO Previous Papers

DRDO CEPTAM MTS Previous Year Question Paper PDF:

General Intelligence & Reasoning Ability Download
Quantitative Aptitude & Numerical Ability Download
General Science Download
General Maths Download
General English Download

DRDO Previous Papers Download PDF:

DRDO CEPTAM Previous Papers
DRDO CEPTAM Model Papers– Technical Papers Download
CEPTAM DRDO Sample Papers–Written Test Papers Download
DRDO Question Papers PDF – Interview Papers Download
DRDO Previous Papers Download

DRDO Previous Papers PDF Stream Wise:

DRDO Previous Year Question Paper For Electrical
DRDO Electronics Question Paper 1 Download
DRDO Electronics Question Paper 2 Download
DRDO Electronics Question Paper 3 Download
DRDO Electrical Question Paper 1 Download
DRDO Electrical Question Paper 2 Download
DRDO Electrical Question Paper 3 Download
DRDO Previous Year Question Paper For Mechanical
DRDO Mechanical Question Paper 1 Download
DRDO Previous Year Question Paper For Computer Science
DRDO CS Question Paper 1 Download

DRDO Previous Year Question with Answer

Q.1 Two coils in differential connection have self-inductance of 2 mH and 4 mH and a mutual inductance of 0.15 mH. The equivalent inductance of the combination is

  1. 7 mH
  2. 85 mH
  3. 6 mH
  4. 15 mH.


Q.2 If A + B means A is the mother of B; A – B means A is the brother B; A % B means A is the father of B and A x B means A is the sister of B, which of the following shows that P is the maternal uncle of Q?

  1. Q – N + M x P
  2. P + S x N – Q
  3. P – M + N x Q
  4. Q – S % P

Ans: 3

Q.3 Optocouplers combine

  1. SITs and BJTs
  2. IGBTs and MOSFETS
  3. Power transformers and silicon transistor
  4. Infrared light-emitting diode and a silicon phototransistor


Q.4 Frequency in the UHF range propagate by means of

  1. Ground waves
  2. Sky waves
  3. Surface waves
  4. Space waves.


Q.5 An instruction used to set the carry Flag in a computer can be classified as

  1. data transfer
  2. arithmetic
  3. logical
  4. program control


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Q.6 DC energy required for satellites is generally derived from

  1. Solar cells and nickel-cadmium cells
  2. Solar cells only
  3. Regulated d.c. poser supplies
  4. Some special batteries.


Q.7 The difference between the indicated value and the true value of a quantity is known as

  1. Gross error
  2. Absolute error
  3. Dynamic error
  4. Relative error


Q.8 Baretters and bolo meters are used for the measurement of

  1. VSWR
  2. transmission losses
  3. microwave power
  4. none of these


Q.9 The polarization required in ground wave propagation is

  1. Horizontal (linear)
  2. vertical (linear)
  3. Circular
  4. Elliptical


Q10. Look at this series: 53, 53, 40, 40, 27, 27, … What number should come next?

  1. 12
  2. 14
  3. 27
  4. 53

Ans: 2

Q.11 The deflection of hot wire instrument depends on

  1. RMS value of alternating current
  2. voltage
  3. average value of a.c. current
  4. instantaneous value of a.c. current


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Q.12 The electric field lines and equipotential lines

  1. Are parallel to each other.
  2. Are one and the same.
  3. Cut each other orthogonally.
  4. Can be inclined to each other at any angle.


Q.13 In a linear system, an input of 5 sin wt produces an output of 10 cos wt. The output corresponding to input 10 cos wt will be equal to

  1. + 5 sin wt
  2. – 5 sin wt
  3. + 20 sin wt
  4. – 20 sin wt


Q.14 A single instruction to clear the lower four bits of the accumulator I 8085 assembly language is:

  1. XRI OHF
  2. ANI FOH
  3. XRI FOH
  4. ANI OFH


Q.15 In ‘plasma’ state a gas

  1. loses electrical conductivity
  2. attracts moisture
  3. becomes perfect dielectric medium
  4. conducts electricity


Q16. Development expenditure of the Central government does not include

  1. defence expenditure
  2. expenditure on economic services
  3. expenditure on social and community services
  4. grant to states

Ans: 1

Q.17 Which type of transmission line will have the maximum value of characteristic impedance?

  1. Open wire line
  2. Twin lead line
  3. Coaxial cable
  4. All have same impedance


Q.18. The territory of Porus who offered strong resistance to Alexander was situated between the rivers of

  1. Sutlej and Beas
  2. Jhelum and Chenab
  3. Ravi and Chenab
  4. Ganga and Yamuna

Ans: 2

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Q.19. Where is the Railway Staff College located?

  1. Pune
  2. Allahabad
  3. Vadodara
  4. Delhi

Ans: 3

Q.20 Transponder comprises of

  1. Transmitter
  2. Receiver
  3. Antenna
  4. a, b, c combined

Ans: 4

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DRDO Previous Year Question Papers:

Defence Research and Development Organization (DRDO) is a reputable agency in India. It is responsible for the technology development of Indian Military. Its head office is situated in New Delhi. DRDO was initiated in year 1958. DRDO conducts recruitment exams to fill vacancies such as junior research fellow, scientist, clerk, etc.

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DRDO Previous Year Papers acts as a guide in understanding question pattern & the difficulty level of each paper. With the help of DRDO Solved Papers, applicants can prepare well and easily qualify the exam.

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