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.
Q. What happens to the balancing length if the emf of the cell is increased while keeping the potentiometer wire constant?
A.
Balancing length increases
B.
Balancing length decreases
C.
No change in balancing length
D.
Balancing length becomes zero
Show solution
Solution
Increasing the emf of the cell increases the balancing length, as it requires a longer length to balance the higher voltage.
Correct Answer:
A
— Balancing length increases
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Q. What happens to the boiling point of a liquid when the atmospheric pressure decreases?
A.
It increases.
B.
It decreases.
C.
It remains the same.
D.
It becomes unpredictable.
Show solution
Solution
The boiling point of a liquid decreases with a decrease in atmospheric pressure.
Correct Answer:
B
— It decreases.
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Q. What happens to the boiling point of a solvent when a non-volatile solute is added?
A.
It decreases
B.
It remains the same
C.
It increases
D.
It becomes zero
Show solution
Solution
The boiling point of a solvent increases when a non-volatile solute is added due to boiling point elevation.
Correct Answer:
C
— It increases
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Q. What happens to the capacitance of a capacitor if the dielectric constant is doubled?
A.
It doubles
B.
It halves
C.
It remains the same
D.
It quadruples
Show solution
Solution
The capacitance C of a capacitor is directly proportional to the dielectric constant k. If k is doubled, C also doubles.
Correct Answer:
A
— It doubles
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Q. What happens to the capacitance of a parallel plate capacitor if the distance between the plates is doubled?
A.
It doubles
B.
It halves
C.
It remains the same
D.
It quadruples
Show solution
Solution
Capacitance C = ε₀A/d; if d is doubled, C is halved.
Correct Answer:
B
— It halves
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Q. What happens to the capacitance of a parallel plate capacitor if the distance between the plates is halved?
A.
It doubles
B.
It halves
C.
It quadruples
D.
It remains the same
Show solution
Solution
Capacitance, C = ε₀ * A / d. If d is halved, C doubles.
Correct Answer:
A
— It doubles
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Q. What happens to the conductivity of a semiconductor as temperature increases?
A.
Increases
B.
Decreases
C.
Remains constant
D.
Becomes zero
Show solution
Solution
The conductivity of a semiconductor increases with temperature due to the increased thermal energy that frees more charge carriers.
Correct Answer:
A
— Increases
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Q. What happens to the current in a circuit if the resistance is increased while the voltage remains constant?
A.
It increases
B.
It decreases
C.
It remains the same
D.
It becomes zero
Show solution
Solution
According to Ohm's Law, if resistance increases while voltage remains constant, the current decreases.
Correct Answer:
B
— It decreases
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Q. What happens to the current in a circuit if the voltage is tripled and the resistance remains constant?
A.
It triples
B.
It doubles
C.
It halves
D.
It remains the same
Show solution
Solution
According to Ohm's Law, if voltage (V) is tripled and resistance (R) remains constant, the current (I) will also triple: I = V / R.
Correct Answer:
A
— It triples
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Q. What happens to the current in the galvanometer when the Wheatstone bridge is balanced?
A.
Increases
B.
Decreases
C.
Becomes zero
D.
Fluctuates
Show solution
Solution
When the Wheatstone bridge is balanced, the current in the galvanometer becomes zero.
Correct Answer:
C
— Becomes zero
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Q. What happens to the current through the galvanometer when the bridge is balanced?
A.
It increases.
B.
It decreases.
C.
It becomes zero.
D.
It becomes maximum.
Show solution
Solution
When the bridge is balanced, the current through the galvanometer becomes zero.
Correct Answer:
C
— It becomes zero.
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Q. What happens to the current through the galvanometer when the Wheatstone bridge is unbalanced?
A.
It becomes zero
B.
It increases
C.
It decreases
D.
It becomes infinite
Show solution
Solution
When the Wheatstone bridge is unbalanced, there is a non-zero potential difference across the galvanometer, causing current to flow through it.
Correct Answer:
B
— It increases
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Q. What happens to the current through the galvanometer when the Wheatstone bridge is balanced?
A.
It increases
B.
It decreases
C.
It becomes zero
D.
It becomes infinite
Show solution
Solution
When the Wheatstone bridge is balanced, the potential difference across the galvanometer is zero, resulting in zero current through it.
Correct Answer:
C
— It becomes zero
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Q. What happens to the current through the galvanometer when the Wheatstone bridge is perfectly balanced?
A.
It flows in one direction.
B.
It flows in both directions.
C.
It is zero.
D.
It is maximum.
Show solution
Solution
When the Wheatstone bridge is perfectly balanced, the current through the galvanometer is zero.
Correct Answer:
C
— It is zero.
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Q. What happens to the density of a gas when it is compressed at constant temperature?
A.
Increases
B.
Decreases
C.
Remains constant
D.
Becomes zero
Show solution
Solution
According to the ideal gas law, compressing a gas at constant temperature increases its density.
Correct Answer:
A
— Increases
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Q. What happens to the diffraction pattern when monochromatic light is replaced with white light?
A.
It becomes monochromatic
B.
It disappears
C.
It becomes colored
D.
It remains unchanged
Show solution
Solution
Replacing monochromatic light with white light results in a colored diffraction pattern due to the different wavelengths.
Correct Answer:
C
— It becomes colored
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Q. What happens to the diffraction pattern when the distance between the slits in a double-slit experiment is increased?
A.
Fringe width increases
B.
Fringe width decreases
C.
Fringe pattern disappears
D.
Fringe intensity increases
Show solution
Solution
Increasing the distance between the slits decreases the fringe width, as fringe width is inversely proportional to the slit separation.
Correct Answer:
B
— Fringe width decreases
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Q. What happens to the diffraction pattern when the distance to the screen is increased?
A.
Fringe width decreases
B.
Fringe width increases
C.
Fringe intensity increases
D.
Fringe intensity decreases
Show solution
Solution
Increasing the distance to the screen results in an increase in fringe width in the diffraction pattern.
Correct Answer:
B
— Fringe width increases
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Q. What happens to the diffraction pattern when the slit width is decreased?
A.
Pattern becomes wider
B.
Pattern becomes narrower
C.
No change in pattern
D.
Pattern disappears
Show solution
Solution
Decreasing the slit width increases the diffraction angle, causing the diffraction pattern to become wider.
Correct Answer:
A
— Pattern becomes wider
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Q. What happens to the electric field if the charge is tripled while keeping the distance constant?
A.
It triples
B.
It halves
C.
It remains the same
D.
It quadruples
Show solution
Solution
The electric field is directly proportional to the charge. Tripling the charge will triple the electric field.
Correct Answer:
A
— It triples
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Q. What happens to the electric field inside a conductor in electrostatic equilibrium?
A.
It is zero
B.
It is constant
C.
It varies linearly
D.
It is maximum at the center
Show solution
Solution
In electrostatic equilibrium, the electric field inside a conductor is zero.
Correct Answer:
A
— It is zero
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Q. What happens to the electric field inside a conductor when it is in electrostatic equilibrium?
A.
It increases
B.
It decreases
C.
It becomes zero
D.
It remains constant
Show solution
Solution
In electrostatic equilibrium, the electric field inside a conductor is zero.
Correct Answer:
C
— It becomes zero
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Q. What happens to the electric field inside a conductor when it reaches electrostatic equilibrium?
A.
It becomes uniform
B.
It becomes zero
C.
It increases
D.
It decreases
Show solution
Solution
In electrostatic equilibrium, the electric field inside a conductor is zero.
Correct Answer:
B
— It becomes zero
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Q. What happens to the electric field strength if the distance from a point charge is tripled?
A.
It becomes one-third
B.
It becomes one-ninth
C.
It becomes three times
D.
It remains the same
Show solution
Solution
The electric field strength E ∝ 1/r², so if distance is tripled, the field strength becomes 1/9 of the original.
Correct Answer:
B
— It becomes one-ninth
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Q. What happens to the electric potential as you move away from a positive charge?
A.
Increases
B.
Decreases
C.
Remains constant
D.
Becomes negative
Show solution
Solution
The electric potential decreases as you move away from a positive charge.
Correct Answer:
B
— Decreases
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Q. What happens to the electric potential energy of a charge when it moves against an electric field?
A.
It increases
B.
It decreases
C.
It remains constant
D.
It becomes zero
Show solution
Solution
When a charge moves against an electric field, its electric potential energy increases.
Correct Answer:
A
— It increases
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Q. What happens to the electric potential energy of a system of charges when they are brought closer together?
A.
Increases
B.
Decreases
C.
Remains constant
D.
Becomes zero
Show solution
Solution
The electric potential energy of a system of charges decreases when they are brought closer together, especially if they are of opposite signs.
Correct Answer:
B
— Decreases
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Q. What happens to the electric potential energy when two like charges are brought closer together?
A.
Increases
B.
Decreases
C.
Remains the same
D.
Becomes zero
Show solution
Solution
The electric potential energy increases as like charges repel each other.
Correct Answer:
A
— Increases
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Q. What happens to the energy stored in a capacitor if the voltage across it is doubled?
A.
It doubles
B.
It quadruples
C.
It remains the same
D.
It halves
Show solution
Solution
The energy stored in a capacitor is given by U = 1/2 C V². If the voltage is doubled, the energy increases by a factor of four.
Correct Answer:
B
— It quadruples
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Q. What happens to the entropy of a system when it undergoes a reversible isothermal expansion?
A.
Increases
B.
Decreases
C.
Remains constant
D.
Depends on the gas
Show solution
Solution
During a reversible isothermal expansion, the entropy of the system increases as the gas expands and does work on the surroundings.
Correct Answer:
A
— Increases
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