All Subjects
University of Engineering and Technology (UET) Lahore50 Questions
Engineering and Technology Admissions MCQs
Practice Engineering and Technology Admissions multiple-choice questions for University of Engineering and Technology (UET) Lahore competitive exams. Each question includes the correct answer and a short explanation, and past-paper questions are marked so you can revise both repeated and fresh material in one place.
±4
±8
±16
0
ExplanationFor equal roots, the discriminant D = b² - 4ac = 0. Here, (-k)² - 4(1)(16) = 0, so k² = 64, k = ±8.
1
5/3
3/5
0
ExplanationUsing the fundamental limit theorem lim(θ→0) sin(θ)/θ = 1, multiplying by 5/5 gives (5/3) * lim(x→0) (sin(5x)/5x) = 5/3.
1/4
3/4
1/2
2/3
ExplanationUsing the sum formula S = a / (1 - r), we have 12 = 3 / (1 - r), which simplifies to 1 - r = 3/12 = 1/4, so r = 3/4.
2e^(2x)ln(x) + e^(2x)/x
e^(2x)ln(x) + e^(2x)/x
2e^(2x)ln(x) + x*e^(2x)
e^(2x)/x
ExplanationUsing the product rule (uv)' = u'v + uv', where u = e^(2x) and v = ln(x), we get 2e^(2x)ln(x) + e^(2x)(1/x).
32/3
16/3
8/3
64/3
ExplanationArea = integral from -2 to 2 of (4 - x^2) dx = [4x - x^3/3] from -2 to 2 = (8 - 8/3) - (-8 + 8/3) = 16/3 + 16/3 = 32/3.
-2
2
10
-10
ExplanationThe determinant of [[a, b], [c, d]] is ad - bc. Thus, (1*4) - (2*3) = 4 - 6 = -2.
f(x) = x^3
f(x) = sin(x)
f(x) = x^2 + cos(x)
f(x) = x + 1
ExplanationA function is even if f(-x) = f(x). For x^2 + cos(x), (-x)^2 + cos(-x) = x^2 + cos(x).
3x + 4y = 25
4x + 3y = 25
3x + 4y = 5
x + y = 7
ExplanationThe equation of tangent at (x1, y1) to circle x² + y² = r² is xx1 + yy1 = r². Substituting (3, 4) and 25, we get 3x + 4y = 25.
1
7
16
36
Explanation(f ∘ g)(x) = f(g(x)) = f(x²). Substituting x=2, g(2)=4. Then f(4) = 3(4) - 5 = 7.
45,360
90,720
362,880
22,680
ExplanationTotal letters = 9. Repetitions: M=2, T=2, E=2. Permutations = 9! / (2! * 2! * 2!) = 362,880 / 8 = 45,360.
v²/r towards the center
v²/r away from the center
0
vr towards the center
ExplanationCentripetal acceleration is always directed towards the center of the circular path and is defined by the formula a = v²/r.
ΔU = 0
Q = 0
ΔT = 0
W = 0
ExplanationAn adiabatic process is defined as one where no heat transfer occurs between the system and the surroundings (Q = 0).
30 ohms
15 ohms
6.67 ohms
200 ohms
Explanation1/R_eq = 1/10 + 1/20 = 3/20. R_eq = 20/3 = 6.67 ohms.
sqrt(2GM/R)
sqrt(GM/R)
2GM/R
GM/R^2
ExplanationThe formula for escape velocity is derived from equating kinetic energy to gravitational potential energy: 0.5mv^2 = GMm/R.
Speed
Wavelength
Frequency
Amplitude
ExplanationFrequency is a characteristic of the source and remains unchanged when a wave enters a new medium.
Coulomb's Law
Faraday's Law
Ampere's Law
Gauss's Law
ExplanationFaraday's law of induction explicitly relates the induced electromotive force to the change in magnetic flux over time.
Only kinetic energy
Only momentum
Both momentum and kinetic energy
Neither momentum nor kinetic energy
ExplanationBy definition, an elastic collision is one where both total momentum and total kinetic energy are conserved.
2 m/s²
4 m/s²
5 m/s²
100 m/s²
ExplanationUsing Newton's Second Law, F = ma. a = F / m = 20 / 5 = 4 m/s².
Weber
Tesla
Henry
Ampere
ExplanationThe Tesla (T) is the SI unit for magnetic flux density. Weber is the unit for magnetic flux.
Double
Half
Four times
One-fourth
ExplanationCoulomb's Law states F ∝ 1/r². If r becomes 2r, F becomes 1/(2r)² = 1/4 of the original force.
NH3
CH4
BF3
H2O
ExplanationBoron trifluoride (BF3) has three bonding pairs around the central Boron atom with no lone pairs, resulting in a trigonal planar shape.
1
2
3
4
ExplanationpH = -log[H+]. For HCl, [H+] = 0.001 M = 10^-3 M. Therefore, pH = -log(10^-3) = 3.
+3
+6
+7
+2
ExplanationAssigning oxidation numbers: 2(+1) + 2(Cr) + 7(-2) = 0 => 2 + 2Cr - 14 = 0 => 2Cr = 12 => Cr = +6.
Single bond
Double bond
Triple bond
Ionic bond
ExplanationA single bond involves one shared pair, while a double bond involves two shared electron pairs.
Decreasing temperature
Adding an inhibitor
Increasing surface area
Decreasing concentration of reactants
ExplanationIncreasing surface area allows for more collisions between reactant particles, thereby increasing the reaction rate.
Magnesium
Silicon
Aluminum
Sodium
ExplanationThe total number of electrons is 13, which is the atomic number of Aluminum.
Charles's Law
Boyle's Law
Avogadro's Law
Gay-Lussac's Law
ExplanationBoyle's Law defines the inverse relationship between pressure and volume for a fixed amount of gas at a constant temperature.
3d
4s
4p
3p
ExplanationUsing (n+l): 3p(3+1=4), 4s(4+0=4), 3d(3+2=5), 4p(4+1=5). Between 3p and 4s, 3p has lower 'n', hence lower energy.
sp
sp²
sp³
dsp²
ExplanationCarbon in methane forms four single bonds, requiring 4 hybrid orbitals, which is characteristic of sp³ hybridization.
CH₃COOH
H₂CO₃
HNO₃
HF
ExplanationNitric acid (HNO₃) completely dissociates in water, categorizing it as a strong acid, whereas the others are weak acids.
Clear
Mysterious
Logical
Simple
ExplanationEnigmatic means difficult to interpret or understand; mysterious is the closest synonym.
Each of the students have finished their work.
Each of the students has finished his work.
Each of the students have finished his work.
Each of the student has finished their work.
Explanation'Each' is singular, so it requires the singular verb 'has' and singular pronoun 'his'.
Temporary
Fleeting
Permanent
Brief
ExplanationTransient means lasting only for a short time; permanent is the direct opposite.
Accomodation
Acommodation
Accommodation
Accomodationn
ExplanationAccommodation is the correct spelling, containing two 'c's and two 'm's.
was
were
is
has been
ExplanationIn 'neither/nor' constructions, the verb agrees with the subject closest to it (students), which is plural.
Inarticulate
Fluent
Hesitant
Confused
ExplanationEloquent describes someone who expresses themselves clearly and fluently.
He don't know the answer.
He doesn't know the answer.
He not know the answer.
He do not know the answer.
ExplanationThe third-person singular subject 'He' requires the singular auxiliary verb 'doesn't'.
is
are
was
been
ExplanationWhen collective nouns like 'committee' imply individuals acting separately, a plural verb is used.
Theoretical
Practical
Idealistic
Fanatical
ExplanationPragmatic means dealing with things sensibly and realistically, which is synonymous with being practical.
Acquire
Cede
Defend
Assert
ExplanationTo cede is to give up power or territory, often by treaty.
Queue
Linked List
Stack
Array
ExplanationA stack is a LIFO data structure where the last element added is the first one removed.
PSBOHF
PSBOIF
PQBOHF
PSBOHG
ExplanationEach letter in the word is shifted by +1 in the alphabet (A+1=B, P+1=Q, etc.). Applying this to ORANGE gives PSBOHF.
OR gate
AND gate
XOR gate
NOT gate
ExplanationThe AND gate follows the Boolean multiplication rule, requiring all inputs to be high for a high output.
To compile code
To manage hardware and software resources
To browse the internet
To design graphics
ExplanationThe OS acts as an intermediary between user applications and the computer hardware, managing resources efficiently.
ROM
Hard Disk
RAM
Flash Drive
ExplanationRandom Access Memory (RAM) requires power to maintain the stored information; it loses data when power is removed.
It must be unsorted
It must be sorted
It must be empty
It must contain only integers
ExplanationBinary search works by repeatedly dividing the search interval in half; this requires the data to be in order.
FCV
FDW
ECW
GDW
ExplanationThe pattern is +3, +2, +1. C+3=F, A+2=C, T+1=U (Correction: D+3=G, O+1=P, G+1=H; wait, the logic is index+3,+1,+1. Pattern: C+3=F, A+3=D, T+3=W = FDW).
A key used for searching non-indexed columns
A unique identifier for every record in a table
A key shared across multiple databases
A key that allows null values
ExplanationA primary key must be unique and cannot contain null values, serving to distinguish each row.
NAND
NOR
XOR
AND
ExplanationA NOR gate acts as an OR gate followed by NOT; it only yields 1 if neither input is 1.
O(n)
O(n log n)
O(n²)
O(log n)
ExplanationBubble sort uses nested loops to compare adjacent elements, resulting in a quadratic time complexity of O(n²).
Frequently Asked Questions
Are these Engineering and Technology Admissions MCQs free?
Yes. Every Engineering and Technology Admissions MCQ on this page is free to practice, including the correct answer and explanation.
Do these include past-paper questions?
Yes — questions sourced from past papers are clearly marked with a "Past Paper" badge, alongside fresh practice questions.
Which exams do these Engineering and Technology Admissions MCQs help with?
They are aimed at University of Engineering and Technology (UET) Lahore and related Pakistani competitive exams that test Engineering and Technology Admissions.
How should I practice subject-wise MCQs?
Attempt each question first, then reveal the answer and read the explanation. Short, focused sessions on one subject work better than long unstructured reading.