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Civil Engineering QUESTION #6579

A barrage constructed across a river is primarily designed for:

River diversion✔️
Water storage
River diversion and storage
Recreational purposes

Correct Answer Logic:

A barrage is a low-head hydraulic structure built primarily to divert river water into canals/channels for irrigation. Unlike a dam, it provides minimal storage.

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HR and Management QUESTION #6433

Question 982

A Compressed Workweek allows employees to:

Work fewer total hours per week
Fulfill work obligations in fewer than five days✔️
Take extended lunch breaks
Work split shifts throughout the day

Correct Answer Logic:

A compressed workweek is any arrangement of work hours that permits employees to fulfill their work obligation in fewer days than the typical five-day workweek (e.g., four 10-hour days instead of five 8-hour days).

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Islamic Studies QUESTION #7921

Question 983

What is the backbone of economic system of Islam?

Zakat✔️
Tax
Jihad
Ushr

Correct Answer Logic:

Zakat is considered the backbone of the Islamic economic system. It is a mandatory 2.5% annual charity on savings, ensuring wealth circulation from rich to poor. Zakat purifies wealth, reduces inequality, and creates social welfare. Along with Ushr (agricultural tax), it forms the foundation of Islamic economic justice.

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General Ability and Fire Fighting QUESTION #5624

Question 984

Removing one side of the Fire Tetrahedron will:

Increase the intensity of the fire
Have no effect on combustion
Extinguish or suppress the fire✔️
Only slow the fire temporarily

Correct Answer Logic:

If any one of the four elements (Fuel

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Islamic Studies QUESTION #7698

Question 985

Punishment of false accusation of Zina is mentioned in which surah of Holy Quran?

Al-Qamar
Al-Najam
Al-Nisa
None of these✔️

Correct Answer Logic:

The punishment for false accusation of adultery (Qadhf) is mentioned in Surah Al-Nur (Chapter 24), not in the options provided. The punishment is 80 lashes for those who falsely accuse chaste women without bringing four witnesses.

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Mathematics QUESTION #968

Question 986

The area of the region enclosed by the curves $y = x^2 - 4x + 4$ and $y^2 = 16 - 8x$ is:

$\dfrac{8}{3}$✔️
$\dfrac{4}{3}$
8
5

Correct Answer Logic:

Rewrite: $y=(x-2)^2$ (parabola) and $y^2=8(2-x)$ (leftward parabola). Finding intersections and integrating between them gives area $=\dfrac{8}{3}$.

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Boilers Mechanical Engineering QUESTION #2552

Question 987

A rigid body is acted on by exactly three non-parallel coplanar forces. For equilibrium, these forces MUST be:

Equal in magnitude and mutually perpendicular
Concurrent at a single point✔️
Uniformly distributed
Acting along the body's axes of symmetry

Correct Answer Logic:

The three-force body theorem states: if a rigid body is in equilibrium under exactly three forces that are not all parallel, those forces must be concurrent (meeting at a single point).

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General Abilities QUESTION #7960

Question 988

Evaluate: $\dfrac{5 \times 7}{14 \times 10}$

$\dfrac{50}{97}$
$\dfrac{35}{140}$
$\dfrac{1}{4}$✔️
6

Correct Answer Logic:

$\dfrac{5 \times 7}{14 \times 10} = \dfrac{35}{140} = \dfrac{1}{4}$. Both B and C are equivalent; the simplified form is $\dfrac{1}{4}$.

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Accounting & Finance QUESTION #6212

Question 989

Under Section 254(3) of the Companies Ordinance 1984, which of the following scenarios creates a legal disqualification for an auditor?

A person who was a director of the company 5 years ago
A person who is a Chartered Accountant with a QCR rating
A person whose spouse holds shares in the client company but fails to disinvest within 90 days✔️
A person who provides tax management services to the company

Correct Answer Logic:

While a person holding shares can be appointed, they must disinvest within 90 days. Failure to do so results in disqualification. Directors are only disqualified if they held office within the last three years.

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Political Science QUESTION #6691

Question 990

The US Senate consists of how many members?

50
100✔️
435
None of these

Correct Answer Logic:

The Senate has 100 members—two from each of the 50 states.

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Disaster Management QUESTION #6553

Question 991

What makes multi-hazard early warning systems more effective than single-hazard approaches?

They cost more✔️
They integrate multiple hazard monitoring into unified communication systems, reducing warning fatigue and improving resource efficiency
They're more complex
They require more staff

Correct Answer Logic:

Section 7.1 promotes Multi-Hazard Early Warning Systems (MHEWS) integrated into NCOP. While unified systems improve efficiency and reduce warning fatigue, the question asks about effectiveness - integration prevents gaps between hazards and ensures comprehensive coverage, making option 1 most accurate about why they're more effective.

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Home Economics QUESTION #6287

Question 992

Which management style involves the leader making all decisions without consulting family members?

Autocratic✔️
Participatory
Democratic
Laissez-faire

Correct Answer Logic:

Autocratic management is centralized and leaves no room for group input.

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Physics QUESTION #7232

Question 993

The dimensional formula of polarisation (electric dipole moment per unit volume) is:

$[L^{-2}T^1A^1]$✔️
$[L^2T^1A^{-1}]$
$[L^{-2}T^1A^1]$
$[L^{-3}T^{-1}A^1]$

Correct Answer Logic:

Electric polarisation $P = \dfrac{\text{dipole moment}}{\text{volume}}$

Electric dipole moment $p = q \cdot d$, so $[p] = C \cdot L = A \cdot T \cdot L$

$[P] = \dfrac{[p]}{[V]} = \dfrac{ATL}{L^3} = ATL^{-2} = L^{-2}T^1A^1$

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CISA QUESTION #6841

Question 994

An IS auditor finds that a critical application processes financial transactions but has no input validation controls—any values can be entered including negative numbers and special characters. What is the MOST significant risk?

Data entry errors
Data integrity compromise allowing fraudulent or erroneous transactions✔️
Slow processing
User frustration

Correct Answer Logic:

Lack of input validation in financial systems creates critical data integrity risks. Attackers or users could enter negative values to reverse charges, use special characters for SQL injection, or submit invalid data causing processing errors. This represents both fraud risk and system integrity risk.

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Math (Module-1) QUESTION #5384

Question 995

A certain function $f$ is defined by $f(x) = 14 + 11x$. What is the value of $f(x)$ when $x = 2$?

$14$
$25$
$36$✔️
$39$

Correct Answer Logic:

Substitute $x = 2$ into the function: $f(2) = 14 + 11(2) = 14 + 22 = 36$.

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Mathematics QUESTION #1269

Question 996

The Cauchy-Riemann equations in polar form are:

$\dfrac{\partial u}{\partial r}=\dfrac{\partial v}{\partial\theta},\quad \dfrac{\partial u}{\partial\theta}=-\dfrac{\partial v}{\partial r}$
$\dfrac{\partial u}{\partial r}=\dfrac{1}{r}\dfrac{\partial v}{\partial\theta},\quad \dfrac{\partial u}{\partial\theta}=-r\dfrac{\partial v}{\partial r}$✔️
$r\dfrac{\partial u}{\partial r}=\dfrac{\partial v}{\partial\theta},\quad \dfrac{\partial u}{\partial\theta}=-r\dfrac{\partial v}{\partial r}$
$\dfrac{\partial u}{\partial r}=\dfrac{\partial v}{\partial\theta},\quad r\dfrac{\partial u}{\partial\theta}=\dfrac{\partial v}{\partial r}$

Correct Answer Logic:

In polar coordinates $z=re^{i\theta}$, the Cauchy-Riemann equations become: $\dfrac{\partial u}{\partial r}=\dfrac{1}{r}\dfrac{\partial v}{\partial\theta}$ and $\dfrac{1}{r}\dfrac{\partial u}{\partial\theta}=-\dfrac{\partial v}{\partial r}$. These are the standard polar C-R equations.

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Civil / Architecture QUESTION #2364

Question 997

In soil compaction, the Zero Air Voids (ZAV) curve or 100% saturation curve represents:

The maximum dry density achievable for a given soil at any compactive effort
The theoretical maximum dry density $\gamma_{d,max}$ at a given water content $w$ if all air voids are eliminated, given by $\gamma_d = \dfrac{G_s \gamma_w}{1 + w G_s}$✔️
The field density achieved by standard Proctor compaction test
The relationship between void ratio and effective stress during consolidation

Correct Answer Logic:

The ZAV curve is the theoretical upper bound of dry density at any moisture content, computed as $\gamma_d = \dfrac{G_s \gamma_w}{1 + w G_s}$, assuming $S = 100\%$ (all voids filled with water, no air). In practice, compaction curves plot below and to the left of the ZAV curve. The ZAV curve does not represent an achievable state during compaction but serves as a reference limit.

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Disaster Management QUESTION #6550

Question 998

What represents the primary value of integrating indigenous knowledge into risk assessments?

It's free
It provides local context, historical hazard patterns, traditional coping mechanisms, and community-validated understanding of risks✔️
It replaces scientific data
It satisfies stakeholders

Correct Answer Logic:

Section 5.1 emphasizes integrating indigenous knowledge with scientific assessments. Local communities possess generations of observations about hazard patterns, environmental changes, and effective coping strategies that complement but don't replace scientific data.

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Mathematics QUESTION #1303

Question 999

Green's Theorem relates the line integral around a closed curve $C$ to the double integral over the enclosed region $R$ by:

$\oint_C(P\,dx+Q\,dy)=\iint_R\left(\dfrac{\partial Q}{\partial y}-\dfrac{\partial P}{\partial x}\right)dA$
$\oint_C(P\,dx+Q\,dy)=\iint_R\left(\dfrac{\partial Q}{\partial x}-\dfrac{\partial P}{\partial y}\right)dA$✔️
$\oint_C(P\,dx+Q\,dy)=\iint_R(P+Q)\,dA$
$\oint_C\vec{F}\cdot d\vec{r}=\iint_R|\vec{F}|\,dA$

Correct Answer Logic:

Green's Theorem: $\oint_C(P\,dx+Q\,dy)=\iint_R\left(\dfrac{\partial Q}{\partial x}-\dfrac{\partial P}{\partial y}\right)dA$, where $C$ is traversed counter-clockwise. This converts a 1D line integral into a 2D area integral over the region enclosed by $C$.

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General Abilities QUESTION #4615

Question 1000

Which number is both even and prime?

$4$
$6$
$2$✔️
No such number

Correct Answer Logic:

$2$ is the only even prime number. All other even numbers are divisible by $2$, so they have more than two factors.

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