Assistant Engineer (Instrumentation) – Interactive MCQs Q1–25 | Exam Practice Online

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Candidates preparing for Assistant Engineer (Instrumentation) competitive examinations can now practice Interactive MCQs (Questions 1–25) in an easy-to-use HTML format. This online practice set is designed to improve concept clarity, accuracy, and exam readiness through instant answer validation and explanations.

These questions are aligned with the official syllabus and exam pattern, covering core topics from Engineering Mathematics, Electrical Engineering, Electronics, Signals & Systems, and Instrumentation basics.

Electrical Engineering – Interactive MCQs (Q1–Q19)

Electrical Engineering – Interactive MCQs

Q1. In a cable capacitor, the voltage gradient is maximum at the surface of the:
Q2. In an RC circuit connected across a dc voltage source, which of the following is zero at the beginning of the transient state?
Q3. The rms value of a half-wave rectified current is 10A, its value for full wave rectification would be:
Q4. A sine wave has a frequency of 50Hz. Its angular frequency is:
Q5. If power factor of a circuit is unity, its reactive power will be:
Q6. A transformer with R=0.06?, X=0.19?, I=50A, V=200V at 0.8 PF lag has an approximate voltage regulation of:
Q7. In a three phase induction motor, the maximum torque is independent of:
Q8. The group delay is defined as:
Q9. If the impulse response for a continuous-time LTI system is given, the system function H(s) has:
Q10. The convolution operation is:
Q11. The DTFT of a discrete sequence {x[n]} is periodic in:
Q12. For a real odd periodic signal, the Fourier series coefficients are:
Q13. The impulse response of a real-coefficient FIR filter with linear phase must be:
Q14. The ROC of two-sided z-transform lies:
Q15. Continuous convolution of two bandlimited signals results in:
Q16. For the system y”(t)+5y'(t)+6y(t)=x(t) with zero initial conditions, the Laplace transform Y(s)/X(s) is:
Q17. The convolution theorem is applicable to:
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Why Use Interactive MCQs (Q1–25)?

Unlike static PDFs, this interactive HTML MCQ format allows candidates to actively engage with each question. Once an option is selected, the system instantly shows whether the answer is correct or wrong, along with a clear explanation.

Key advantages:

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  • Instant answer checking with reasoning
  • Mobile-friendly and browser-compatible
  • No login or download required
  • Ideal for CBT-based exam preparation
  • Saves time during revision

Exam Details Covered

  • Post: Assistant Engineer (Instrumentation)
  • Paper Code: 131/2025/OL
  • Category No: 069/2024
  • Question Range: MCQs 1–25

Topics Included in Questions 1–25

This practice set includes frequently asked and high-weightage areas such as:

  • Engineering Mathematics
  • Network Theorems
  • Magnetic Circuits
  • AC & DC Fundamentals
  • Transients in RC Circuits
  • Induction Motors
  • Signals & Systems
  • Fourier Series & Transforms
  • Probability and Statistics

Who Should Practice This Set?

This interactive MCQ series is highly useful for:

  • Assistant Engineer (Instrumentation) aspirants
  • Diploma & Degree Engineering students
  • PSC / State Engineering exam candidates
  • Candidates preparing for online objective tests
  • Quick revision before exams

How to Use This Interactive MCQ Page

  1. Read each question carefully
  2. Click on the option you think is correct
  3. Instantly view result (Correct / Wrong)
  4. Learn from the explanation provided
  5. Move to the next question

Practicing Questions 1–25 regularly will help you build a strong foundation before moving to Q26–50 and advanced-level MCQs.

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