Engineering & Architecture Admissions - Exam Prep Guide

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Engineering & Architecture Admissions

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Engineering & Architecture Admissions MCQ & Objective Questions

Engineering & Architecture Admissions play a crucial role in shaping the future of aspiring students in India. With the increasing competition in entrance exams, mastering MCQs and objective questions is essential for effective exam preparation. Practicing these types of questions not only enhances concept clarity but also boosts confidence, helping students score better in their exams.

What You Will Practise Here

Key concepts in Engineering Mathematics
Fundamentals of Physics relevant to architecture and engineering
Important definitions and terminologies in engineering disciplines
Essential formulas for solving objective questions
Diagrams and illustrations for better understanding
Conceptual theories related to structural engineering
Analysis of previous years' important questions

Exam Relevance

The topics covered under Engineering & Architecture Admissions are highly relevant for various examinations such as CBSE, State Boards, NEET, and JEE. Students can expect to encounter MCQs that test their understanding of core concepts, application of formulas, and analytical skills. Common question patterns include multiple-choice questions that require selecting the correct answer from given options, as well as assertion-reason type questions that assess deeper comprehension.

Common Mistakes Students Make

Misinterpreting the question stem, leading to incorrect answers.
Overlooking units in numerical problems, which can change the outcome.
Confusing similar concepts or terms, especially in definitions.
Neglecting to review diagrams, which are often crucial for solving problems.
Rushing through practice questions without understanding the underlying concepts.

FAQs

Question: What are the best ways to prepare for Engineering & Architecture Admissions MCQs?
Answer: Regular practice of objective questions, reviewing key concepts, and taking mock tests can significantly enhance your preparation.

Question: How can I improve my accuracy in solving MCQs?
Answer: Focus on understanding the concepts thoroughly, practice regularly, and learn to eliminate incorrect options to improve accuracy.

Start your journey towards success by solving practice MCQs today! Test your understanding and strengthen your knowledge in Engineering & Architecture Admissions to excel in your exams.

JEE Main

Q. A wire of length L and cross-sectional area A is stretched by a force F. What is the expression for the elongation ΔL?

A. ΔL = FL / (AE)
B. ΔL = AE / (FL)
C. ΔL = EFL / A
D. ΔL = A / (FL)

Solution

The elongation ΔL of a wire is given by ΔL = FL / (AE), where E is Young's modulus.

Correct Answer: A — ΔL = FL / (AE)

Q. A wire of length L and cross-sectional area A is stretched by a force F. What is the expression for the elongation of the wire?

A. ΔL = (F * L) / (A * Y)
B. ΔL = (Y * F) / (A * L)
C. ΔL = (A * Y) / (F * L)
D. ΔL = (F * A) / (Y * L)

Solution

The elongation ΔL of a wire is given by ΔL = (F * L) / (A * Y), where Y is Young's modulus.

Correct Answer: A — ΔL = (F * L) / (A * Y)

Q. According to Ampere's Law, the line integral of the magnetic field B around a closed path is equal to what?

A. Zero
B. The product of permeability and current
C. The product of permittivity and charge
D. The electric field times the area

Solution

Ampere's Law states that the line integral of the magnetic field B around a closed path is equal to μ₀ times the total current I enclosed by the path.

Correct Answer: B — The product of permeability and current

Q. According to Ampere's Law, the line integral of the magnetic field B around a closed loop is equal to what?

A. 0
B. μ₀ times the total current through the loop
C. μ₀ times the total charge
D. None of the above

Solution

Ampere's Law states ∮B·dl = μ₀I_enc, where I_enc is the enclosed current.

Correct Answer: B — μ₀ times the total current through the loop

Q. According to Ampere's Law, what is the line integral of the magnetic field around a closed loop equal to?

A. 0
B. μ₀ times the total current through the loop
C. μ₀ times the total charge
D. None of the above

Solution

Ampere's Law states that the line integral of B around a closed loop is μ₀ times the total current through the loop.

Correct Answer: B — μ₀ times the total current through the loop

Q. According to Ampere's Law, what is the magnetic field inside a long straight conductor carrying current I?

A. Zero
B. μ₀I/2πr
C. μ₀I/4πr
D. μ₀I/πr

Solution

Inside a long straight conductor, the magnetic field is zero because the contributions from all parts of the conductor cancel out.

Correct Answer: A — Zero

Q. According to Boyle's law, if the volume of a gas is doubled at constant temperature, what happens to the pressure?

A. It doubles
B. It halves
C. It remains constant
D. It quadruples

Solution

Boyle's law states that pressure is inversely proportional to volume at constant temperature, so if the volume is doubled, the pressure halves.

Correct Answer: B — It halves

Q. According to Boyle's law, if the volume of a gas is doubled, what happens to its pressure?

A. It doubles
B. It halves
C. It remains constant
D. It quadruples

Solution

Boyle's law states that pressure is inversely proportional to volume at constant temperature, so if volume is doubled, pressure is halved.

Correct Answer: B — It halves

Q. According to Charles's Law, how does the volume of a gas change with temperature at constant pressure?

A. V ∝ T
B. V ∝ 1/T
C. V + T = constant
D. VT = constant

Solution

Charles's Law states that the volume of a gas is directly proportional to its absolute temperature at constant pressure, expressed as V ∝ T.

Correct Answer: A — V ∝ T

Q. According to Charles's Law, what happens to the volume of a gas when the temperature increases at constant pressure?

A. Volume decreases
B. Volume remains constant
C. Volume increases
D. Volume becomes zero

Solution

Charles's Law states that the volume of a gas is directly proportional to its absolute temperature at constant pressure, meaning that as temperature increases, volume also increases.

Correct Answer: C — Volume increases

Q. According to Faraday's law, the induced EMF in a circuit is directly proportional to what?

A. The rate of change of magnetic flux
B. The strength of the magnetic field
C. The resistance of the circuit
D. The length of the conductor

Solution

Faraday's law states that the induced EMF is directly proportional to the rate of change of magnetic flux through the circuit.

Correct Answer: A — The rate of change of magnetic flux

Q. According to Faraday's law, the induced EMF in a circuit is proportional to what?

A. The rate of change of magnetic flux
B. The strength of the magnetic field
C. The resistance of the circuit
D. The length of the conductor

Solution

Faraday's law states that the induced EMF is directly proportional to the rate of change of magnetic flux through the circuit.

Correct Answer: A — The rate of change of magnetic flux

Q. According to Graham's law of effusion, the rate of effusion of a gas is inversely proportional to what?

A. Molar mass
B. Temperature
C. Pressure
D. Volume

Solution

Graham's law states that the rate of effusion is inversely proportional to the square root of the molar mass of the gas.

Correct Answer: A — Molar mass

Q. According to Kirchhoff's Current Law, if three currents enter a junction as 2A, 3A, and 4A, what is the current leaving the junction?

A. 1A
B. 3A
C. 5A
D. 9A

Solution

According to Kirchhoff's Current Law, the sum of currents entering a junction equals the sum of currents leaving. Therefore, I_out = 2A + 3A + 4A = 9A.

Correct Answer: D — 9A

Q. According to Kirchhoff's Current Law, if three currents enter a junction as 2A, 3A, and 1A, what is the total current leaving the junction?

A. 6A
B. 5A
C. 4A
D. 3A

Solution

According to Kirchhoff's Current Law, total current entering = total current leaving. 2A + 3A + 1A = 6A.

Correct Answer: B — 5A

Q. According to Kirchhoff's Current Law, if three currents enter a junction as 2A, 3A, and 4A, what is the total current leaving the junction?

A. 1A
B. 3A
C. 5A
D. 9A

Solution

According to Kirchhoff's Current Law, the total current entering a junction equals the total current leaving it. Total entering = 2A + 3A + 4A = 9A.

Correct Answer: D — 9A

Q. According to Kirchhoff's Current Law, if three currents entering a junction are 2A, 3A, and 5A, what is the total current leaving the junction?

A. 10A
B. 5A
C. 3A
D. 2A

Solution

According to Kirchhoff's Current Law, the total current entering a junction equals the total current leaving it. Therefore, total current leaving = 2A + 3A + 5A = 10A.

Correct Answer: A — 10A

Q. According to Kirchhoff's Voltage Law, the sum of the potential differences around any closed loop in a circuit must equal what?

A. Zero
B. The total current
C. The total resistance
D. The total power

Solution

Kirchhoff's Voltage Law states that the sum of the electrical potential differences (voltage) around any closed circuit is zero.

Correct Answer: A — Zero

Q. According to Kirchhoff's Voltage Law, the sum of the potential differences around any closed loop in a circuit is equal to what?

A. Zero
B. The total current
C. The total resistance
D. The total power

Solution

Kirchhoff's Voltage Law states that the sum of the electromotive forces and potential differences in any closed loop is zero.

Correct Answer: A — Zero

Q. According to Newton's third law, if object A exerts a force on object B, what does object B do?

A. Exerts a greater force on A
B. Exerts an equal and opposite force on A
C. Exerts no force
D. Exerts a lesser force on A

Solution

Newton's third law states that for every action, there is an equal and opposite reaction.

Correct Answer: B — Exerts an equal and opposite force on A

Q. According to the Biot-Savart Law, the magnetic field dB at a point due to a current element Idl is proportional to which of the following?

A. Idl
B. sin(θ)
C. 1/r^2
D. Both Idl and sin(θ)

Solution

The magnetic field dB is proportional to Idl and sin(θ), where θ is the angle between the current element and the line connecting the current element to the point of interest.

Correct Answer: D — Both Idl and sin(θ)

Q. According to the ideal gas law, which of the following is the correct equation?

A. PV = nRT
B. PV = nR
C. P = nRT/V
D. V = nP/RT

Solution

The ideal gas law is represented by the equation PV = nRT.

Correct Answer: A — PV = nRT

Q. According to the kinetic molecular theory, which of the following statements is true?

A. Gas particles have significant volume.
B. Gas particles are in constant motion.
C. Gas particles attract each other.
D. Gas particles do not collide.

Solution

According to the kinetic molecular theory, gas particles are in constant motion.

Correct Answer: B — Gas particles are in constant motion.

Q. According to the kinetic theory of gases, the pressure exerted by a gas is due to:

A. the gravitational force on the gas
B. the collisions of gas molecules with the walls of the container
C. the temperature of the gas
D. the volume of the gas

Solution

The pressure exerted by a gas is due to the collisions of gas molecules with the walls of the container, which transfers momentum to the walls.

Correct Answer: B — the collisions of gas molecules with the walls of the container

Q. According to the kinetic theory, the pressure exerted by a gas is due to which of the following?

A. The weight of the gas molecules.
B. The collisions of gas molecules with the walls of the container.
C. The temperature of the gas.
D. The volume of the gas.

Solution

The pressure of a gas is caused by the collisions of gas molecules with the walls of the container, which exert force on the walls.

Correct Answer: B — The collisions of gas molecules with the walls of the container.

Q. According to the kinetic theory, the pressure exerted by a gas is due to:

A. Gravitational force
B. Molecular collisions with the walls
C. Temperature of the gas
D. Volume of the gas

Solution

The pressure exerted by a gas is due to the collisions of gas molecules with the walls of the container.

Correct Answer: B — Molecular collisions with the walls

Q. According to VSEPR theory, what is the shape of the molecule with the formula AX2E2?

A. Linear
B. Bent
C. Trigonal planar
D. Tetrahedral

Solution

AX2E2 indicates two bonding pairs and two lone pairs, resulting in a bent shape.

Correct Answer: B — Bent

Q. An object is dropped from a height of 80 m. How long will it take to reach the ground? (Assume g = 10 m/s²)

A. 4 s
B. 5 s
C. 6 s
D. 8 s

Solution

Using the formula: h = 0.5 * g * t². 80 = 0.5 * 10 * t². Solving gives t² = 16, so t = 4 s.

Correct Answer: B — 5 s

Q. An object is dropped from a height of 80 m. How long will it take to reach the ground?

A. 4 s
B. 5 s
C. 6 s
D. 8 s

Solution

Using the formula: h = 0.5 * g * t², where h = 80 m and g = 9.8 m/s². Solving for t gives t = sqrt(2h/g) = sqrt(2*80/9.8) ≈ 4.04 s, approximately 4 s.

Correct Answer: B — 5 s

Q. An object is in equilibrium. If two forces of 10 N and 15 N act on it in opposite directions, what is the net force?

A. 5 N
B. 10 N
C. 15 N
D. 0 N

Solution

In equilibrium, the net force is zero. The forces cancel each other out: 15 N - 10 N = 5 N.

Correct Answer: A — 5 N

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