The Bachelor of Technology (B.Tech) 1st semester lays the groundwork for engineering education, introducing students to foundational subjects in science, mathematics, and basic engineering principles. Preparing for exams requires focusing on key topics and practicing important questions that frequently appear in assessments.
This guide provides a curated list of important questions for all typical 1st semester subjects, based on standard curricula across universities as of March 22, 2025. While specific questions may vary by institution, these examples align with common exam patterns, helping students in branches like Computer Science, Mechanical, Civil, and Electrical excel in their first academic step.
B Tech 1st Semester All Subjects Important Questions
Important Questions by Subject
Below are key topics and sample important questions for each subject typically taught in the B.Tech 1st semester:
1. Engineering Mathematics – I
- What are the applications of the Mean Value Theorem? Prove it.
- Solve: ∫(x^2 + 3x + 2) dx from 0 to 2.
- Find the rank of a 3×3 matrix using row reduction.
- Explain Taylor’s Series with an example expansion for sin(x).
- Determine the convergence of the series ∑(1/n^2) from n=1 to infinity.
2. Engineering Physics
- Derive the expression for Newton’s rings and explain fringe formation.
- What is the principle of superposition? Apply it to wave interference.
- Calculate the energy of an electron in the n=2 state of a hydrogen atom.
- Explain the working of a laser with a diagram.
- Solve a numerical on projectile motion with given initial velocity and angle.
3. Engineering Chemistry
- What is the Nernst Equation? Derive it and solve a related problem.
- Explain the structure of benzene with resonance theory.
- Calculate the pH of a 0.1M HCl solution.
- Describe the corrosion process and methods to prevent it.
- What are polymers? Classify them with examples.
4. Basic Electrical Engineering
- State and prove Kirchhoff’s Laws with a circuit example.
- Calculate the equivalent resistance of a series-parallel circuit.
- Explain the working principle of a transformer with a diagram.
- Find the current in a circuit using Norton’s Theorem.
- What is the difference between AC and DC? Illustrate with waveforms.
5. Engineering Graphics/Drawing
- Draw the orthographic projection of a given 3D object (e.g., a cube).
- Explain the concept of isometric projection with an example.
- Construct the front, top, and side views of a cylinder.
- What are the types of lines used in engineering drawing? Define their uses.
- Sketch the development of a cone’s surface.
6. Communication Skills (English)
- Write a formal letter to your college principal requesting a facility upgrade.
- Explain the difference between active and passive voice with examples.
- Draft a précis of a 300-word paragraph on technology.
- What are the barriers to effective communication? Discuss.
- Prepare a short speech on the importance of teamwork.
Tips for Preparation
- Practice numerical problems in Mathematics, Physics, and Electrical Engineering.
- Use diagrams where required (e.g., Physics, Graphics) for clarity.
- Focus on derivations and proofs, as they often carry high marks.
- Review past papers from your university to identify recurring question types.
- Time yourself while solving to improve speed for the exam.
Conclusion
The B.Tech 1st semester is a foundational phase where mastering subjects like Mathematics, Physics, and Engineering Graphics sets the tone for future success. As of March 22, 2025, the important questions listed here cover essential topics that align with standard curricula, offering students a robust starting point for exam preparation.
focusing on these questions, practicing consistently, and supplementing with university-specific resources, students can build confidence and achieve strong results, laying a solid groundwork for their engineering journey.
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