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Boilers Mechanical Engineering QUESTION #2493

In the dynamic equilibrium (D'Alembert) formulation for a rigid body in planar motion, the inertia moment $M_{in}$ about the center of mass C is:

$M_{in} = I_C\alpha$
$M_{in} = -I_C\alpha$✔️
$M_{in} = -m|\mathbf{a}_C|$
$M_{in} = I_C\omega^2$

Correct Answer Logic:

The inertia moment is $M_{in}=-I_C\alpha$, where $I_C$ is the mass moment of inertia about the center of mass and $\alpha$ is the angular acceleration.

Uploaded by: Fani Warraich

Accounting & Finance QUESTION #1211

Question 6222

In a sales mix decision, the product with the highest contribution margin per unit should be:

Sold exclusively, regardless of customer demand.
Prioritized when resources are constrained.✔️
Avoided to reduce risk.
Discounted to maximize revenue.

Correct Answer Logic:

When resources (such as machine hours or materials) are constrained, products should be ranked by contribution margin per unit of the limiting factor (not just per unit). The product yielding the highest contribution margin per scarce resource should be prioritized to maximize total contribution and profit. Selling exclusively ignores demand and other constraints.

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Accounting Finance and Punjab Sales Tax on Services QUESTION #2578

Question 6223

Under section 51 of the Act, the Authority may compound an offence warranting prosecution. At what stage can compounding occur?

Only before institution of prosecution proceedings
Only after institution of prosecution proceedings
Either before OR after the institution of any proceedings for prosecution✔️
Only upon order of the Special Judge

Correct Answer Logic:

Section 51 explicitly states that the Authority may compound the offence and terminate proceedings EITHER BEFORE OR AFTER THE INSTITUTION OF ANY PROCEEDINGS for prosecution, provided the person pays the tax due along with default surcharge and penalty as determined.

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Security Measures to Maintain Law and Order QUESTION #860

Question 6224

The "Right to Privacy" in an airport context is legally balanced against:

Revenue goals
Public Safety & Security✔️
Flight schedules
Staff comfort

Correct Answer Logic:

While passengers have a right to privacy, the ASF Act (Section 6 & 7) allows for necessary intrusions (searches) for the higher purpose of public safety.

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English QUESTION #8492

Question 6225

Select the word SIMILAR in meaning to: Luxuriant

beautiful
ugly
abundant✔️
lovely

Correct Answer Logic:

Luxuriant means rich and abundant in growth.

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General Knowledge QUESTION #8906

Question 6226

Famous Punjabi poet Waris Shah wrote his epic 'Heer Ranjha' while living in which town?

Harbanspura
Malka Hans✔️
Takht Hazara
Jhang

Correct Answer Logic:

Waris Shah lived in Malka Hans.

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General Ability and Fire Fighting QUESTION #5616

Question 6227

What is the primary mechanism by which water extinguishes a fire?

It removes the fuel
It absorbs heat and cools the fuel below ignition temperature✔️
It smothers the fire
It breaks the chemical chain reaction

Correct Answer Logic:

Water's primary action is cooling — it absorbs large amounts of heat and brings the fuel temperature below its ignition point

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CISA QUESTION #6833

Question 6228

An auditor reviews a service level agreement between an organization and its cloud service provider. The SLA contains detailed uptime guarantees but no provisions for data ownership, data destruction procedures, or right to audit. What is the MOST significant omission?

Incomplete performance metrics
Lack of data governance and audit rights creates unmanageable risk✔️
Insufficient technical specifications
Limited scope

Correct Answer Logic:

While uptime is important, fundamental issues of data ownership, secure data destruction, and audit rights are critical for risk management and compliance. Without these provisions, the organization cannot verify security controls, ensure data is properly destroyed when the relationship ends, or establish clear ownership rights.

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Logical Reasoning QUESTION #7881

Question 6229

Given: All omnivores are herbivores. No herbivores are carnivores. Some carnivores are humans. Which conclusions are TRUE? I. Some humans are carnivores. II. No carnivores are omnivores. III. Some omnivores are carnivores.

I and II✔️
I and III
II and III
Only III

Correct Answer Logic:

Conclusion I is true (Some carnivores are humans implies some humans are carnivores). Conclusion II is true (omnivores are herbivores, and no herbivores are carnivores, so no carnivores are omnivores). Conclusion III is false (it contradicts the given statements). So I and II are true.

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General Knowledge QUESTION #4484

Question 6230

An economic model to eliminate waste and reuse resources is called:

Rational consumption
Mercantilism
Circular economy✔️
None of these

Correct Answer Logic:

Circular economy focuses on reuse, recycling, and sustainability.

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Pakistan Affairs QUESTION #9034

Question 6231

'Bala Hissar' (The Elevated Fort) is situated in which Pakistani city?

Quetta
Peshawar✔️
Swat
Hyderabad

Correct Answer Logic:

Bala Hissar is an ancient fort in Peshawar.

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Quantitative Reasoning QUESTION #8022

Question 6232

Choose the word that is most nearly opposite in meaning to VENERATION

derision✔️
blame
avoidance
ostracism

Correct Answer Logic:

VENERATION means great respect or reverence. The opposite would be disrespect or contempt. Derision is correct: derision means contemptuous ridicule or mockery, which is the opposite of veneration (deep respect).

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Physics QUESTION #7044

Question 6233

Beams A and B are plane-polarised with perpendicular planes. Initially, a polaroid shows maximum intensity for A and zero for B. Rotating the polaroid by $30^\circ$ makes them look equally bright. Find the ratio of their initial intensities $\frac{I_A}{I_B}$.

$1$
$\frac{1}{3}$✔️
$3$
$\frac{3}{2}$

Correct Answer Logic:

Initially, beam A's plane is parallel to the polaroid ($\theta_A = 0^\circ$) and B's is perpendicular ($\theta_B = 90^\circ$).

After $30^\circ$ rotation, the angles become $30^\circ$ and $60^\circ$ respectively.

Equal brightness means: $I_A \cos^2(30^\circ) = I_B \cos^2(60^\circ)$

$I_A \left( \frac{\sqrt{3}}{2} \right)^2 = I_B \left( \frac{1}{2} \right)^2 \implies I_A \cdot \frac{3}{4} = I_B \cdot \frac{1}{4} \implies \frac{I_A}{I_B} = \frac{1}{3}$.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3364

Question 6234

'Cold Sterilization' refers to the use of:

Freezers
Radiation or chemicals instead of heat✔️
Boiling water
Ice cubes

Correct Answer Logic:

It is used for items that melt or degrade when heated.

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Academic/Professional (Social Sciences) QUESTION #6493

Question 6235

Which type of poverty describes a situation where an individual lacks the basic necessities for survival (food, water, shelter)?

Relative Poverty
Absolute Poverty✔️
Subjective Poverty
Structural Poverty

Correct Answer Logic:

Absolute poverty is a fixed standard of what a household needs to survive.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3241

Question 6236

'Fatigue' in skeletal muscle is primarily caused by the accumulation of:

Glucose
Oxygen
Lactic Acid and $H^+$ ions✔️
ATP

Correct Answer Logic:

Anaerobic respiration leads to acid buildup, which interferes with muscle contraction.

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The Elections Act 2017 QUESTION #9454

Question 6237

Section 125(2) allows a contesting candidate aggrieved by Senate vote-count proceedings to file an appeal with the Commission within:

Seven days following completion of the count
Five days following completion of the count
Three days next following the date of completion of count of votes by the Returning Officer✔️
Fourteen days following declaration of result

Correct Answer Logic:

Section 125(2) states: 'An appeal under sub-section (1) may be filed by the candidate in person or through a person authorized in writing by the candidate in this behalf, within three days next following the date of the completion of the count of votes by the Returning Officer.'

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Mathematics QUESTION #4120

Question 6238

Using the definition of limit, what is $\lim_{x \to 2} \frac{x^3 - 4}{x^2 + 1}$?

$\frac{4}{5}$✔️
$\frac{4}{3}$
$2$
$0$

Correct Answer Logic:

Direct substitution: $\frac{2^3 - 4}{2^2 + 1} = \frac{8-4}{4+1} = \frac{4}{5}$. The function is continuous at $x=2$.

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The Elections Act 2017 QUESTION #9448

Question 6239

Under Section 95(7) [as amended 2023], after recount under sub-sections (5) or (6), consolidation proceedings must be completed within seven days in case of National Assembly elections. For Provincial Assembly elections, consolidation must be completed within:

Three days after the polling day
Ten days after the polling day
Five days after the polling day✔️
Fourteen days after the polling day

Correct Answer Logic:

Section 95(7) proviso [2023 amendment] specifies: 'seven days after the polling day in the case of elections to the National Assembly; and five days after the polling day in the case of elections to a Provincial Assembly.'

Uploaded by: Fani Warraich

Egnlish QUESTION #696

Question 6240

In "Hamlet," who says "To be, or not to be"?

Claudius
Polonius
Hamlet✔️
None of these

Correct Answer Logic:

This is the opening line of Hamlet's most famous soliloquy on the nature of existence and death.

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