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 is the mode of the following data set: 1, 1, 2, 3, 3, 3, 4, 5?
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Solution
Mode = 3 (most frequent value).
Correct Answer:
C
— 3
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Q. What is the mode of the following data set: 1, 2, 2, 3, 4, 4, 4, 5?
Show solution
Solution
The mode is 4 as it appears most frequently (3 times).
Correct Answer:
C
— 4
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Q. What is the mode of the following data set: 1, 2, 2, 3, 4?
Show solution
Solution
Mode is the number that appears most frequently. Here, mode = 2.
Correct Answer:
B
— 2
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Q. What is the mode of the following data set: {1, 1, 2, 2, 3, 3, 3, 4}?
Show solution
Solution
Mode is 3 as it appears most frequently (3 times).
Correct Answer:
C
— 3
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Q. What is the modulus of the complex number z = -3 + 4i?
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Solution
The modulus |z| = √((-3)^2 + (4)^2) = √(9 + 16) = √25 = 5.
Correct Answer:
A
— 5
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Q. What is the molality of a solution containing 3 moles of KCl dissolved in 1 kg of water?
A.
3 m
B.
1.5 m
C.
2 m
D.
4 m
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Solution
Molality (m) = moles of solute / kg of solvent = 3 moles / 1 kg = 3 m.
Correct Answer:
A
— 3 m
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Q. What is the molality of a solution prepared by dissolving 3 moles of KCl in 1 kg of water?
A.
3 m
B.
1.5 m
C.
2 m
D.
4 m
Show solution
Solution
Molality (m) = moles of solute / kg of solvent = 3 moles / 1 kg = 3 m.
Correct Answer:
A
— 3 m
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Q. What is the molality of a solution prepared by dissolving 5 moles of NaCl in 2 kg of water?
A.
2.5 mol/kg
B.
5 mol/kg
C.
1.5 mol/kg
D.
3 mol/kg
Show solution
Solution
Molality (m) = moles of solute / mass of solvent (kg) = 5 moles / 2 kg = 2.5 mol/kg.
Correct Answer:
A
— 2.5 mol/kg
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Q. What is the molar mass of CaCO3?
A.
100 g/mol
B.
120 g/mol
C.
80 g/mol
D.
60 g/mol
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Solution
Molar mass of CaCO3 = 40 + 12 + 16*3 = 100 g/mol.
Correct Answer:
A
— 100 g/mol
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Q. What is the molar mass of sulfuric acid (H2SO4)?
A.
98 g/mol
B.
96 g/mol
C.
100 g/mol
D.
92 g/mol
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Solution
Molar mass = 2*1 + 32 + 4*16 = 98 g/mol.
Correct Answer:
A
— 98 g/mol
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Q. What is the molar mass of the product formed when 1 mole of Mg reacts with 2 moles of HCl?
A.
24.3 g
B.
36.5 g
C.
58.5 g
D.
74.5 g
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Solution
Mg + 2HCl → MgCl2 + H2. Molar mass of MgCl2 = 24.3 + 2*35.5 = 95.3 g.
Correct Answer:
D
— 74.5 g
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Q. What is the molar mass of the product formed when 1 mole of nitrogen reacts with 3 moles of hydrogen?
A.
28 g
B.
14 g
C.
32 g
D.
18 g
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Solution
N2 + 3H2 → 2NH3. Molar mass of NH3 = 14 + 3 = 17 g.
Correct Answer:
A
— 28 g
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Q. What is the molar mass of water (H2O)?
A.
16 g/mol
B.
18 g/mol
C.
20 g/mol
D.
22 g/mol
Show solution
Solution
The molar mass of water is calculated as follows: H (1 g/mol) x 2 + O (16 g/mol) = 18 g/mol.
Correct Answer:
B
— 18 g/mol
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Q. What is the molar volume of an ideal gas at standard temperature and pressure (STP)?
A.
22.4 L
B.
24.5 L
C.
18.0 L
D.
30.0 L
Show solution
Solution
The molar volume of an ideal gas at STP is 22.4 L.
Correct Answer:
A
— 22.4 L
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Q. What is the molar volume of an ideal gas at STP (Standard Temperature and Pressure)?
A.
22.4 L
B.
24.5 L
C.
18.0 L
D.
30.0 L
Show solution
Solution
The molar volume of an ideal gas at STP is 22.4 L.
Correct Answer:
A
— 22.4 L
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Q. What is the molar volume of an ideal gas at STP?
A.
22.4 L
B.
24.5 L
C.
18.0 L
D.
30.0 L
Show solution
Solution
The molar volume of an ideal gas at standard temperature and pressure (STP) is 22.4 L.
Correct Answer:
A
— 22.4 L
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Q. What is the molarity of a solution containing 5 moles of solute in 2 liters of solution?
A.
2.5 M
B.
5 M
C.
10 M
D.
0.5 M
Show solution
Solution
Molarity (M) = moles of solute / liters of solution = 5 moles / 2 L = 2.5 M.
Correct Answer:
A
— 2.5 M
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Q. What is the molarity of a solution if 10 g of glucose (C6H12O6) is dissolved in 250 mL of water? (Molar mass = 180 g/mol)
A.
0.22 M
B.
0.5 M
C.
0.75 M
D.
1 M
Show solution
Solution
Moles of glucose = 10 g / 180 g/mol = 0.0556 moles. Molarity = 0.0556 moles / 0.25 L = 0.222 M.
Correct Answer:
A
— 0.22 M
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Q. What is the molarity of a solution if 10 grams of CaCl2 is dissolved in 250 mL of solution? (Molar mass of CaCl2 = 110 g/mol)
A.
0.25 M
B.
0.5 M
C.
1 M
D.
2 M
Show solution
Solution
Moles of CaCl2 = 10 g / 110 g/mol = 0.0909 moles. Molarity = 0.0909 moles / 0.25 L = 0.3636 M.
Correct Answer:
B
— 0.5 M
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Q. What is the molarity of a solution if 5 moles of solute are dissolved in 2 liters of solution?
A.
2.5 M
B.
5 M
C.
10 M
D.
0.5 M
Show solution
Solution
Molarity (M) = moles of solute / liters of solution = 5 / 2 = 2.5 M
Correct Answer:
A
— 2.5 M
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Q. What is the molarity of a solution prepared by dissolving 5 moles of NaCl in 2 liters of water?
A.
2.5 M
B.
5 M
C.
10 M
D.
1 M
Show solution
Solution
Molarity (M) = moles of solute / liters of solution = 5 moles / 2 L = 2.5 M.
Correct Answer:
A
— 2.5 M
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Q. What is the mole fraction of solute in a solution containing 2 moles of solute and 8 moles of solvent?
A.
0.2
B.
0.25
C.
0.5
D.
0.1
Show solution
Solution
Mole fraction of solute = moles of solute / (moles of solute + moles of solvent) = 2 / (2 + 8) = 2 / 10 = 0.2.
Correct Answer:
B
— 0.25
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Q. What is the mole fraction of solute in a solution containing 3 moles of solute and 7 moles of solvent?
A.
0.3
B.
0.7
C.
0.5
D.
0.2
Show solution
Solution
Mole fraction of solute = moles of solute / total moles = 3 / (3 + 7) = 0.3.
Correct Answer:
A
— 0.3
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Q. What is the molecular formula of benzene?
A.
C6H6
B.
C6H12
C.
C6H10
D.
C6H8
Show solution
Solution
Benzene has the molecular formula C6H6, indicating it is an aromatic hydrocarbon.
Correct Answer:
A
— C6H6
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Q. What is the molecular formula of ethylene?
A.
C2H2
B.
C2H4
C.
C3H6
D.
C4H8
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Solution
Ethylene is an alkene with the molecular formula C2H4.
Correct Answer:
B
— C2H4
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Q. What is the molecular formula of fructose?
A.
C6H12O6
B.
C5H10O5
C.
C6H10O5
D.
C5H12O6
Show solution
Solution
Fructose has the same molecular formula as glucose, which is C6H12O6.
Correct Answer:
A
— C6H12O6
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Q. What is the molecular formula of hydrogen peroxide?
A.
H2O
B.
H2O2
C.
H2
D.
O2
Show solution
Solution
Hydrogen peroxide has the molecular formula H2O2.
Correct Answer:
B
— H2O2
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Q. What is the molecular formula of water?
A.
H2O
B.
H2O2
C.
HO
D.
H2
Show solution
Solution
The molecular formula of water is H2O.
Correct Answer:
A
— H2O
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Q. What is the molecular geometry of ammonia (NH3)?
A.
Linear
B.
Trigonal planar
C.
Tetrahedral
D.
Trigonal pyramidal
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Solution
Ammonia has a trigonal pyramidal geometry due to the presence of a lone pair on nitrogen.
Correct Answer:
D
— Trigonal pyramidal
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Q. What is the molecular geometry of BF3 according to VSEPR theory?
A.
Trigonal planar
B.
Tetrahedral
C.
Octahedral
D.
Linear
Show solution
Solution
BF3 has three bonding pairs and no lone pairs, resulting in a trigonal planar geometry.
Correct Answer:
A
— Trigonal planar
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