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 entropy of a system when it undergoes a reversible process?
A.
It decreases
B.
It remains constant
C.
It increases
D.
It can either increase or decrease
Show solution
Solution
In a reversible process, the total entropy of the system and surroundings remains constant.
Correct Answer:
B
— It remains constant
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Q. What happens to the entropy of a system when it undergoes a spontaneous process?
A.
It decreases
B.
It remains constant
C.
It increases
D.
It becomes zero
Show solution
Solution
In a spontaneous process, the entropy of a system increases.
Correct Answer:
C
— It increases
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Q. What happens to the entropy of a system when it undergoes an irreversible process?
A.
It decreases
B.
It remains constant
C.
It increases
D.
It becomes zero
Show solution
Solution
The entropy of a system increases when it undergoes an irreversible process.
Correct Answer:
C
— It increases
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Q. What happens to the entropy of an isolated system?
A.
It decreases
B.
It remains constant
C.
It increases
D.
It can either increase or decrease
Show solution
Solution
The second law of thermodynamics states that the entropy of an isolated system always increases.
Correct Answer:
C
— It increases
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Q. What happens to the equilibrium constant if the reaction is reversed?
A.
K remains the same
B.
K is doubled
C.
K is inverted
D.
K is halved
Show solution
Solution
When a reaction is reversed, the equilibrium constant for the reverse reaction is the reciprocal of the equilibrium constant for the forward reaction.
Correct Answer:
C
— K is inverted
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Q. What happens to the equilibrium constant when a reaction is reversed?
A.
It remains the same
B.
It doubles
C.
It is inverted
D.
It is halved
Show solution
Solution
When a reaction is reversed, the equilibrium constant is inverted (1/K).
Correct Answer:
C
— It is inverted
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Q. What happens to the Fermi level in a p-type semiconductor compared to an intrinsic semiconductor?
A.
Moves up
B.
Moves down
C.
Remains the same
D.
Becomes zero
Show solution
Solution
In a p-type semiconductor, the Fermi level moves up towards the valence band due to the increased hole concentration.
Correct Answer:
A
— Moves up
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Q. What happens to the focal length of a lens when it is immersed in a medium with a higher refractive index than the lens material?
A.
Focal length increases
B.
Focal length decreases
C.
Focal length remains the same
D.
Focal length becomes infinite
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Solution
When a lens is immersed in a medium with a higher refractive index, its effective focal length decreases due to the reduced refractive power.
Correct Answer:
B
— Focal length decreases
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Q. What happens to the focal length of a lens when it is immersed in water?
A.
Increases
B.
Decreases
C.
Remains the same
D.
Becomes infinite
Show solution
Solution
The focal length of a lens decreases when immersed in a medium with a higher refractive index than air.
Correct Answer:
B
— Decreases
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Q. What happens to the freezing point of a solvent when a non-volatile solute is added?
A.
It increases
B.
It decreases
C.
It remains the same
D.
It fluctuates
Show solution
Solution
The freezing point of a solvent decreases when a non-volatile solute is added, a phenomenon known as freezing point depression.
Correct Answer:
B
— It decreases
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Q. What happens to the frequency of a damped oscillator as damping increases?
A.
Frequency increases
B.
Frequency decreases
C.
Frequency remains the same
D.
Frequency becomes zero
Show solution
Solution
As damping increases, the frequency of the damped oscillator decreases.
Correct Answer:
B
— Frequency decreases
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Q. What happens to the frequency of oscillation in a damped system compared to an undamped system?
A.
It increases
B.
It decreases
C.
It remains the same
D.
It becomes zero
Show solution
Solution
The frequency of oscillation in a damped system is lower than that of an undamped system due to energy loss.
Correct Answer:
B
— It decreases
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Q. What happens to the fringe pattern in Young's double-slit experiment if the distance to the screen is halved?
A.
Fringe width increases
B.
Fringe width decreases
C.
Fringe separation remains the same
D.
Fringe visibility decreases
Show solution
Solution
Fringe width (β) is inversely proportional to the distance to the screen (D). If D is halved, the fringe width decreases.
Correct Answer:
B
— Fringe width decreases
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Q. What happens to the galvanometer reading in a Wheatstone bridge when it is balanced?
A.
It shows maximum current
B.
It shows minimum current
C.
It shows zero current
D.
It shows fluctuating current
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Solution
When the Wheatstone bridge is balanced, the potential difference across the galvanometer is zero, resulting in zero current.
Correct Answer:
C
— It shows zero current
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Q. What happens to the gravitational force between two masses if one mass is tripled?
A.
It triples
B.
It doubles
C.
It remains the same
D.
It increases by a factor of 9
Show solution
Solution
The gravitational force is directly proportional to the product of the masses. If one mass is tripled, the force also triples.
Correct Answer:
A
— It triples
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Q. What happens to the gravitational force between two masses if the distance between them is tripled?
A.
It triples
B.
It becomes one-third
C.
It becomes one-ninth
D.
It remains the same
Show solution
Solution
The gravitational force is inversely proportional to the square of the distance. If the distance is tripled, the force becomes 1/(3^2) = 1/9 of the original force.
Correct Answer:
C
— It becomes one-ninth
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Q. What happens to the gravitational force between two objects if one object's mass is tripled?
A.
It triples
B.
It halves
C.
It remains the same
D.
It increases by a factor of 9
Show solution
Solution
The gravitational force is directly proportional to the product of the masses. If one mass is tripled, the force also triples.
Correct Answer:
A
— It triples
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Q. What happens to the gravitational force between two objects if the mass of one object is tripled?
A.
It becomes three times stronger
B.
It becomes six times stronger
C.
It becomes nine times stronger
D.
It remains the same
Show solution
Solution
The gravitational force is directly proportional to the product of the masses, so tripling one mass triples the force.
Correct Answer:
A
— It becomes three times stronger
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Q. What happens to the gravitational force if the mass of one object is tripled?
A.
It becomes three times stronger
B.
It becomes six times stronger
C.
It remains the same
D.
It becomes nine times stronger
Show solution
Solution
The gravitational force is directly proportional to the product of the masses, so tripling one mass triples the force.
Correct Answer:
A
— It becomes three times stronger
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Q. What happens to the gravitational force on a satellite as it moves further away from the Earth?
A.
It increases
B.
It decreases
C.
It remains constant
D.
It becomes zero
Show solution
Solution
The gravitational force on a satellite decreases as it moves further away from the Earth, following the inverse square law.
Correct Answer:
B
— It decreases
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Q. What happens to the gravitational force on a satellite as it moves to a higher orbit?
A.
It increases.
B.
It decreases.
C.
It remains constant.
D.
It becomes zero.
Show solution
Solution
The gravitational force on a satellite decreases as it moves to a higher orbit due to the inverse square law of gravitation.
Correct Answer:
B
— It decreases.
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Q. What happens to the gravitational force on a satellite if its altitude is doubled?
A.
It doubles
B.
It remains the same
C.
It becomes four times weaker
D.
It becomes eight times weaker
Show solution
Solution
The gravitational force decreases with the square of the distance from the center of the Earth. If the altitude is doubled, the distance from the center of the Earth becomes R + 2h, and the force becomes weaker by a factor of four.
Correct Answer:
C
— It becomes four times weaker
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Q. What happens to the gravitational potential as you move away from a mass?
A.
It increases
B.
It decreases
C.
It remains constant
D.
It oscillates
Show solution
Solution
The gravitational potential decreases as you move away from a mass.
Correct Answer:
B
— It decreases
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Q. What happens to the gravitational potential as you move away from a massive body?
A.
It increases
B.
It decreases
C.
It remains constant
D.
It oscillates
Show solution
Solution
The gravitational potential decreases as you move away from a massive body.
Correct Answer:
B
— It decreases
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Q. What happens to the gravitational potential energy of a satellite as it moves further away from the Earth?
A.
It increases
B.
It decreases
C.
It remains constant
D.
It becomes zero
Show solution
Solution
As a satellite moves further away from the Earth, its gravitational potential energy increases because it is moving to a higher potential.
Correct Answer:
A
— It increases
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Q. What happens to the gravitational potential energy of a satellite as it moves to a higher orbit?
A.
It increases
B.
It decreases
C.
It remains constant
D.
It becomes zero
Show solution
Solution
As a satellite moves to a higher orbit, its gravitational potential energy increases due to the increase in distance from the Earth.
Correct Answer:
A
— It increases
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Q. What happens to the gravitational potential energy of an object as it moves away from a planet?
A.
It increases.
B.
It decreases.
C.
It remains constant.
D.
It becomes zero.
Show solution
Solution
As an object moves away from a planet, its gravitational potential energy increases (becomes less negative).
Correct Answer:
A
— It increases.
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Q. What happens to the gravitational potential energy of an object as it moves away from the Earth?
A.
It increases.
B.
It decreases.
C.
It remains constant.
D.
It becomes zero.
Show solution
Solution
As an object moves away from the Earth, its gravitational potential energy increases.
Correct Answer:
A
— It increases.
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Q. What happens to the image distance when the object is moved closer to a convex lens beyond its focal point?
A.
Increases
B.
Decreases
C.
Remains the same
D.
Becomes negative
Show solution
Solution
As the object moves closer, the image distance increases.
Correct Answer:
A
— Increases
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Q. What happens to the image formed by a concave lens when the object is placed at infinity?
A.
Real and inverted
B.
Virtual and upright
C.
Real and upright
D.
No image formed
Show solution
Solution
When an object is placed at infinity, a concave lens forms a virtual image at its focal point, which is upright.
Correct Answer:
B
— Virtual and upright
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