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. How many grams of KCl can be produced from the reaction of 10 g of K with excess Cl2?
A.
74.5 g
B.
37.25 g
C.
148.5 g
D.
18.5 g
Show solution
Solution
10 g of K = 0.25 moles. K + Cl2 → KCl, so 0.25 moles of KCl = 0.25 * 74.5 g = 18.625 g.
Correct Answer:
A
— 74.5 g
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Q. How many grams of NaOH are needed to neutralize 1 mole of HCl?
A.
40 g
B.
36.5 g
C.
58.5 g
D.
23 g
Show solution
Solution
The reaction between NaOH and HCl is 1:1. The molar mass of NaOH is 40 g/mol, so 1 mole of NaOH is needed, which weighs 40 g.
Correct Answer:
C
— 58.5 g
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Q. How many grams of NaOH are needed to prepare 0.5 moles of NaOH solution?
A.
20 g
B.
40 g
C.
10 g
D.
30 g
Show solution
Solution
The molar mass of NaOH is 40 g/mol. Therefore, to prepare 0.5 moles, you need 0.5 x 40 g = 20 g.
Correct Answer:
B
— 40 g
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Q. How many grams of NaOH are needed to prepare 0.5 moles of NaOH solution? (Molar mass of NaOH = 40 g/mol)
A.
20 g
B.
40 g
C.
10 g
D.
30 g
Show solution
Solution
To find the mass, use the formula: mass = moles × molar mass. Thus, 0.5 moles × 40 g/mol = 20 g.
Correct Answer:
A
— 20 g
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Q. How many grams of solute are needed to prepare 0.5 L of a 1 M NaCl solution? (Molar mass of NaCl = 58.5 g/mol)
A.
29.25 g
B.
58.5 g
C.
14.625 g
D.
0.5 g
Show solution
Solution
Mass of solute = moles × molar mass = 1 mol × 58.5 g/mol = 58.5 g. For 0.5 L, it is 0.5 mol × 58.5 g/mol = 29.25 g.
Correct Answer:
A
— 29.25 g
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Q. How many grams of solute are needed to prepare 2 L of a 1 M solution? (Molar mass = 58.5 g/mol)
A.
58.5 g
B.
117 g
C.
29.25 g
D.
145 g
Show solution
Solution
Grams of solute = moles x molar mass = 2 moles x 58.5 g/mol = 117 g.
Correct Answer:
B
— 117 g
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Q. How many isomers does C4H10 have?
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Solution
C4H10 has 2 structural isomers: n-butane and isobutane.
Correct Answer:
B
— 2
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Q. How many isomers does C5H12 have?
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Solution
C5H12 has 3 structural isomers: pentane, isopentane, and neopentane.
Correct Answer:
C
— 4
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Q. How many millimeters are there in a meter?
A.
10
B.
100
C.
1000
D.
10000
Show solution
Solution
There are 1000 millimeters in a meter.
Correct Answer:
C
— 1000
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Q. How many molecules are present in 2 moles of water (H2O)?
A.
6.022 x 10^23
B.
1.2044 x 10^24
C.
3.011 x 10^23
D.
12.044 x 10^24
Show solution
Solution
Number of molecules = moles x Avogadro's number = 2 moles x 6.022 x 10^23 molecules/mole = 1.2044 x 10^24 molecules.
Correct Answer:
B
— 1.2044 x 10^24
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Q. How many moles are in 1.5 kg of KCl?
Show solution
Solution
Molar mass of KCl = 39 + 35.5 = 74.5 g/mol. Number of moles = mass/molar mass = 1500 g / 74.5 g/mol ≈ 20.1 moles.
Correct Answer:
B
— 20
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Q. How many moles are in 10 grams of NaOH?
A.
0.25
B.
0.5
C.
0.75
D.
1
Show solution
Solution
Molar mass of NaOH = 23 + 16 + 1 = 40 g/mol. Number of moles = mass/molar mass = 10 g / 40 g/mol = 0.25 moles.
Correct Answer:
A
— 0.25
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Q. How many moles are in 100 grams of CaCO3?
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Solution
Molar mass of CaCO3 = 40 + 12 + 3*16 = 100 g/mol. Number of moles = mass/molar mass = 100 g / 100 g/mol = 1 mole.
Correct Answer:
A
— 1
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Q. How many moles are in 180 grams of water?
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Solution
Molar mass of H2O = 2*1 + 16 = 18 g/mol. Number of moles = 180 g / 18 g/mol = 10 moles.
Correct Answer:
A
— 1
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Q. How many moles are in 200 grams of H2O?
A.
11.11
B.
10
C.
9
D.
8.89
Show solution
Solution
Molar mass of H2O = 18 g/mol. Number of moles = mass / molar mass = 200 g / 18 g/mol = 11.11 moles.
Correct Answer:
A
— 11.11
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Q. How many moles are in 200 grams of H2SO4?
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Solution
Molar mass of H2SO4 = 2 + 32 + 16*4 = 98 g/mol. Number of moles = 200 g / 98 g/mol = 2.04 moles.
Correct Answer:
B
— 2
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Q. How many moles are in 36 grams of water (H2O)?
Show solution
Solution
Molar mass of H2O = 2*1 + 16 = 18 g/mol. Number of moles = mass/molar mass = 36 g / 18 g/mol = 2 moles.
Correct Answer:
A
— 1
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Q. How many moles are in 5.6 liters of a gas at STP?
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Solution
At STP, 1 mole of gas occupies 22.4 L. Number of moles = volume / molar volume = 5.6 L / 22.4 L/mole = 0.25 moles.
Correct Answer:
C
— 1
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Q. How many moles are in 5.6 liters of an ideal gas at STP?
Show solution
Solution
At STP, 1 mole of gas occupies 22.4 L. Therefore, number of moles = 5.6 L / 22.4 L/mole = 0.25 moles.
Correct Answer:
B
— 0.5
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Q. How many moles are in 50 grams of CaCO3?
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Solution
Molar mass of CaCO3 = 100 g/mol. Number of moles = mass / molar mass = 50 g / 100 g/mol = 0.5 moles.
Correct Answer:
B
— 1
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Q. How many moles are in 50 grams of H2O?
A.
2.78
B.
1.39
C.
0.56
D.
3.06
Show solution
Solution
Molar mass of H2O = 2*1 + 16 = 18 g/mol. Number of moles = mass/molar mass = 50 g / 18 g/mol = 2.78 moles.
Correct Answer:
B
— 1.39
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Q. How many moles are in 50 grams of NaOH?
Show solution
Solution
Molar mass of NaOH = 23 + 16 + 1 = 40 g/mol. Number of moles = mass/molar mass = 50 g / 40 g/mol = 1.25 moles.
Correct Answer:
B
— 0.5
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Q. How many moles are in 50 grams of sodium (Na)?
A.
1.08
B.
2.5
C.
0.5
D.
0.25
Show solution
Solution
Molar mass of Na = 23 g/mol. Number of moles = mass / molar mass = 50 g / 23 g/mol ≈ 2.17 moles.
Correct Answer:
A
— 1.08
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Q. How many moles are in 500 mL of a 2 M NaCl solution?
Show solution
Solution
Moles = molarity x volume (in L) = 2 M x 0.5 L = 1 mole.
Correct Answer:
B
— 1
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Q. How many moles are in 88 grams of CH4?
Show solution
Solution
Molar mass of CH4 = 12 + 4*1 = 16 g/mol. Number of moles = mass/molar mass = 88 g / 16 g/mol = 5.5 moles.
Correct Answer:
B
— 2
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Q. How many moles are in 88 grams of O2?
Show solution
Solution
Molar mass of O2 = 16*2 = 32 g/mol. Number of moles = mass/molar mass = 88 g / 32 g/mol = 2.75 moles.
Correct Answer:
B
— 2
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Q. How many moles are in 88 grams of oxygen (O2)?
Show solution
Solution
Molar mass of O2 = 32 g/mol. Number of moles = mass / molar mass = 88 g / 32 g/mol = 2.75 moles.
Correct Answer:
A
— 2
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Q. How many moles of CO2 are produced from the complete combustion of 1 mole of C3H8?
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Solution
C3H8 + 5O2 → 3CO2 + 4H2O. 1 mole of C3H8 produces 3 moles of CO2.
Correct Answer:
A
— 3
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Q. How many moles of KCl are produced when 2 moles of K react with 2 moles of Cl2?
A.
1 mole
B.
2 moles
C.
3 moles
D.
4 moles
Show solution
Solution
The balanced equation is 2K + Cl2 → 2KCl. Therefore, 2 moles of K will produce 2 moles of KCl.
Correct Answer:
B
— 2 moles
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Q. How many moles of NaOH are produced when 2 moles of Na react with 2 moles of water?
A.
1 mole
B.
2 moles
C.
3 moles
D.
4 moles
Show solution
Solution
2Na + 2H2O → 2NaOH. Therefore, 2 moles of Na produce 2 moles of NaOH.
Correct Answer:
B
— 2 moles
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