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Any change in the budget of a Division
The interpretation of the Rules of Business a change in allocation of business between Divisions and the terms and conditions of personal staff of Ministers and dignitaries✔️
Any appointment to BPS-20 and above
Any change in the recruitment rules of a Division

Correct Answer Logic:

Rule 10(1) lists three specific categories requiring mandatory prior consultation with Cabinet Division: (a) interpretation of Rules; (b) change in allocation of business between Divisions; and (c) strength terms and conditions of personal staff of Ministers Ministers of State Special Assistants and other dignitaries of Minister/Minister of State rank.

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Mechanical Engineering QUESTION #2423

Question 6085

The Biot number (Bi) in transient heat conduction is defined as $Bi = hL_c/k$. It represents:

Convective resistance at surface divided by conductive resistance inside body
Internal conductive resistance to external convective resistance: $Bi = hL_c/k = \frac{L_c/(kA)}{1/(hA)}$✔️
Thermal diffusivity to kinematic viscosity
Inertial forces to viscous forces

Correct Answer Logic:

Biot number: $Bi=hL_c/k$, the ratio of internal conductive resistance $L_c/(kA)$ to external convective resistance $1/(hA)$. When $Bi\ll 0.1$, the lumped capacitance method is valid.

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Mechanical Engineering QUESTION #2524

Question 6086

Poisson's relations for a rotating reference frame with angular velocity $\boldsymbol{\omega}$ give the time derivatives of unit vectors $\hat{i},\hat{j},\hat{k}$ as:

$\dot{\hat{i}}=\hat{i}+\boldsymbol{\omega}$
$\dot{\hat{i}}=\boldsymbol{\omega}\times\hat{i}$✔️
$\dot{\hat{i}}=\boldsymbol{\omega}\cdot\hat{i}$
$\dot{\hat{i}}=\hat{i}/\omega$

Correct Answer Logic:

Poisson's relations state that the time derivatives of the rotating unit vectors are: $\dot{\hat{i}}=\boldsymbol{\omega}\times\hat{i}$, $\dot{\hat{j}}=\boldsymbol{\omega}\times\hat{j}$, $\dot{\hat{k}}=\boldsymbol{\omega}\times\hat{k}$.

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Mathematics QUESTION #766

Question 6087

$\sin(180° + \theta) =$ ?

$-\sin\theta$✔️
$-\cos\theta$
Both
None

Correct Answer Logic:

$\sin(180° + \theta) = -\sin\theta$ by the supplementary angle identity in the third quadrant.

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Agronomy QUESTION #2037

Question 6088

Post-harvest losses in cereal grains during storage are MOST significantly caused by:

Exposure to ultraviolet radiation during daytime
Improper moisture content (above 13–14% for cereals) leading to mold growth, mycotoxin production, and insect infestation✔️
Use of metallic storage bins instead of gunny bags
Storage at temperatures below 10°C

Correct Answer Logic:

Grain moisture above 13–14% creates conditions favorable for fungal growth (Aspergillus, Penicillium), mycotoxin (aflatoxin) production, and insect multiplication. Maintaining safe moisture levels through proper drying is the single most critical factor in preventing post-harvest storage losses.

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Geography QUESTION #6305

Question 6089

Thermohaline circulation in oceans is primarily driven by:

Wind stress at ocean surface
Density differences caused by temperature and salinity variations✔️
Tidal forces from moon and sun
Coriolis effect deflecting ocean currents

Correct Answer Logic:

Thermohaline circulation (the global ocean conveyor belt) is driven by density gradients created by temperature (thermo-) and salinity (-haline) variations. Cold, salty water sinks in polar regions, driving deep ocean circulation, while warm water flows poleward at the surface.

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Pakistan Affairs QUESTION #129

Question 6090

The second five-year plan in Pakistan was introduced in:

1957
1958
1960✔️
1962

Correct Answer Logic:

The Second Five-Year Plan (1960–1965) was a highly successful economic development plan.

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Boilers Mechanical Engineering QUESTION #4064

Question 6091

'Hydro-pneumatic' systems use a combination of:

Oil and Water
Air and Water pressure✔️
Steam and Electricity
Wind and Solar

Correct Answer Logic:

Often used for surge tanks and maintaining steady pressure.

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Dairy Food Science and Technology QUESTION #5907

Question 6092

The purpose of the 'holding tube' in an HTST pasteurizer is:

It pre-heats milk before the heat exchanger; time $= V/Q$ using fastest particle velocity
It maintains milk at $\geq 72^{\circ}\text{C}$ for the required minimum time ($\geq 15$ s); minimum length $= 2 \bar{v} \times 15\;\text{s}$, using the fastest particle velocity as the worst case✔️
It holds milk at $4^{\circ}\text{C}$ after cooling to prevent recontamination
It mixes raw and pasteurized milk for energy recovery

Correct Answer Logic:

The holding tube ensures EVERY particle receives the minimum heat treatment ($72^{\circ}\text{C}$ for $\geq 15$ s for HTST). The critical design parameter uses the FASTEST-moving particle ($\approx 2\times$ mean velocity in turbulent flow) as the worst case: minimum length $= 2\bar{v} \times 15\;\text{s}$.

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Basic Mathematics QUESTION #2904

Question 6093

A man walks $6$ km in $2$ hours. How much distance in $5$ hours?

12 km
15 km✔️
18 km
20 km

Correct Answer Logic:

Speed $= 6/2 = 3$ km/h. Distance in $5$ hours $= 3 \times 5 = 15$ km.

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Physics QUESTION #1056

Question 6094

A photon and electron (mass $m$) have same energy $E$. Ratio $\lambda_{photon}/\lambda_{electron}$ is ($c$ = speed of light):

$c\sqrt{\dfrac{2m}{E}}$✔️
$\dfrac{1}{c}\sqrt{\dfrac{E}{2m}}$
$\sqrt{\dfrac{E}{2m}}$
$c\sqrt{2mE}$

Correct Answer Logic:

Photon: $\lambda_{ph}=\frac{hc}{E}$. Electron (non-relativistic): $\lambda_{el}=\frac{h}{\sqrt{2mE}}$. Ratio: $\frac{\lambda_{ph}}{\lambda_{el}}=\frac{hc}{E}\cdot\frac{\sqrt{2mE}}{h}=\frac{c\sqrt{2mE}}{E}=c\sqrt{\frac{2m}{E}}$.

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General Science and Ability QUESTION #252

Question 6095

The minimum amount of vitamin stored in the human body is of:

Vitamin D
Vitamin C✔️
Vitamin E
Vitamin A

Correct Answer Logic:

Water-soluble vitamins like Vitamin C are not stored in large amounts compared to fat-soluble ones.+2

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Urdu QUESTION #5051

Question 6096

انکار کی شاعرہ کون ہیں؟

نوشی گیلانی✔️
پروین شاکر
ادا جعفری
ریحانہ قمر

Correct Answer Logic:

نوشی گیلانی اردو کی مشہور شاعرہ ہیں جن کا مجموعہ 'انکار' خاصا مقبول ہوا۔

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English QUESTION #671

Question 6097

"Negative Capability" is a concept introduced by:

William Wordsworth
P.B. Shelley
John Keats✔️
Lord Byron

Correct Answer Logic:

Keats defined it as the ability to remain in uncertainties and mysteries without reaching after fact or reason.

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Security Measures to Maintain Law and Order QUESTION #915

Question 6098

What is the main objective of crowd management in a security scenario?

Immediate dispersal
Safety and security of the public✔️
Identifying individual threats
Minimizing ambient noise

Correct Answer Logic:

The core goal of crowd control is protecting individuals while maintaining order to prevent escalation.

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CISA QUESTION #1738

Question 6099

What is the primary justification for securing and protecting audit documentation and working papers throughout and after an engagement?

Audit evidence must be made publicly available to satisfy regulatory disclosure obligations.
A documented paper trail is required to substantiate that the auditor's conclusions are correct and the auditee was wrong.
The auditor may need to prove illegal activity in a judicial proceeding.
Audit working papers often contain highly confidential information that must be protected from unauthorised disclosure or loss, and must be safeguarded through appropriate security and backup controls.✔️

Correct Answer Logic:

Audit documentation inevitably contains sensitive and confidential information about the client's systems, processes, vulnerabilities, and personnel. Disclosure of this material could cause serious harm — including enabling further attacks or exploitation. The auditor is professionally and ethically obligated to implement appropriate controls to protect the confidentiality, integrity, and availability of all audit documentation, including maintaining secure backups.

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Commerce QUESTION #1224

Question 6100

Which of the following is the main tool of Fiscal Policy?

Deficit Financing
Subsidies
Transfer Payments
Taxes✔️

Correct Answer Logic:

Taxes are the primary tool of fiscal policy. Fiscal policy involves the use of government revenue (taxation) and government expenditure (spending) to influence the economy. Taxes are the government's main instrument to raise revenue and regulate economic activity. While subsidies and transfer payments are also fiscal tools, taxation is considered the main one.

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