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Dairy Food Science and Technology QUESTION #5897

In CIP (Cleaning-In-Place) of dairy equipment, the correct sequence of steps is:

Hot water rinse $\rightarrow$ caustic wash $\rightarrow$ acid wash $\rightarrow$ sanitizer $\rightarrow$ final rinse
Pre-rinse (warm water $35\text{–}40^{\circ}\text{C}$) $\rightarrow$ caustic wash (NaOH $1\text{–}2\%$, $70\text{–}80^{\circ}\text{C}$) $\rightarrow$ intermediate rinse $\rightarrow$ acid wash $\rightarrow$ final rinse $\rightarrow$ sanitizer✔️
Acid wash $\rightarrow$ caustic wash $\rightarrow$ pre-rinse $\rightarrow$ sanitizer
Sanitizer $\rightarrow$ caustic wash $\rightarrow$ acid wash $\rightarrow$ water rinse

Correct Answer Logic:

Standard CIP sequence: (1) Pre-rinse with warm water ($35\text{–}40^{\circ}\text{C}$); (2) Alkaline wash (NaOH $1\text{–}2\%$ at $70\text{–}80^{\circ}\text{C}$) to remove proteins and fats; (3) Intermediate water rinse; (4) Acid wash ($\text{HNO}_3$ or $\text{H}_3\text{PO}_4$ $0.5\text{–}1\%$) to remove milkstone; (5) Final water rinse; (6) Sanitizer before use.

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Professional QUESTION #1809

Question 4282

According to Rule 19(3), the Authority is required to evaluate and decide upon a blacklisting review petition within how many days of its filing?

Thirty days
Sixty days
Ninety days✔️
One hundred and twenty days

Correct Answer Logic:

Rule 19(3) stipulates that once a review petition against blacklisting or debarment is filed before the Authority, the Authority shall evaluate the case and render its decision within ninety days of filing. The decision of the Authority is considered final.

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GATE General Aptitude QUESTION #3766

Question 4283

Four landmarks H1, H2, H3, and H4 are located in a park. 1) H2 and H3 are not the easternmost. 2) H2 and H3 are not the westernmost. 3) The easternmost and westernmost are not the southernmost. 4) Two landmarks are west of H2. 5) The southernmost has at least two landmarks to its east. Which landmark is the southernmost?

H1✔️
H2
H3
H4

Correct Answer Logic:

Based on logical deduction of positions, H1 is the only landmark satisfying the condition of being the southernmost with at least two hills to its east.

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #2980

Question 4284

In which year was the first edition of the British Pharmacopoeia (BP) published?

1858
1864✔️
1898
1914

Correct Answer Logic:

The first BP was published in 1864, merging the London, Edinburgh, and Dublin pharmacopoeias.

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Physics QUESTION #1050

Question 4285

A balloon of surface tension $S$, outlet area $A$, gas density $\rho$, radius $R$. Gas flows out: radius changes from $R$ to 0 in time $T$. Speed $v(r)\propto r^a$ and $T\propto S^\alpha A^\beta \rho^\gamma R^\delta$. Then:

$a=-\frac{1}{2},\alpha=-\frac{1}{2},\beta=-1,\gamma=\frac{1}{2},\delta=\frac{7}{2}$✔️
$a=\frac{1}{2},\alpha=\frac{1}{2},\beta=-\frac{1}{2},\gamma=\frac{1}{2},\delta=\frac{7}{2}$
$a=\frac{1}{2},\alpha=\frac{1}{2},\beta=-1,\gamma=+1,\delta=\frac{3}{2}$
$a=-\frac{1}{2},\alpha=-\frac{1}{2},\beta=-1,\gamma=-\frac{1}{2},\delta=\frac{5}{2}$

Correct Answer Logic:

Pressure inside balloon $=\frac{4S}{r}$. By Bernoulli: $\frac{4S}{r}=\frac{1}{2}\rho v^2\Rightarrow v=\sqrt{\frac{8S}{\rho r}}\propto r^{-1/2}$. So $a=-\frac{1}{2}$. For time: $T\propto \frac{R}{v(R)}\cdot f(geometry)$. Dimensional analysis of $T\propto S^\alpha A^\beta\rho^\gamma R^\delta$ with $[T]=s$ gives $\alpha=-1/2, \beta=-1, \gamma=1/2, \delta=7/2$.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3519

Question 4286

An 'Allergen' is a substance that:

Causes a disease
Triggers an allergic reaction (hypersensitivity)✔️
Cures a headache
Increases energy

Correct Answer Logic:

Allergens stimulate the immune system to react excessively.

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MCQs Section QUESTION #4874

Question 4287

Correct antonym of "TENTATIVE" is

Expedient✔️
Nominal
Provisional
Alternative

Correct Answer Logic:

Tentative means not certain or fixed; done as a trial. Its antonym is 'expedient,' meaning suitable and practical for a particular purpose — implying decisiveness rather than hesitation.

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Paper-I (Pharmaceutics II (Industrial and Quality Control) and Pharmaceutics III (Hospital and Community Pharmacy)) QUESTION #5686

Question 4288

In the context of the Young's rule for pediatric dosing, if the adult dose is $D_{A}$, the child's age is $n$, the dose for the child $D_{C}$ is calculated as:

$D_{C} = D_{A} \times \frac{n}{n+12}$✔️
$D_{C} = D_{A} \times \frac{n}{20}$
$D_{C} = D_{A} \times \frac{weight}{70}$
$D_{C} = D_{A} \times \frac{n}{150}$

Correct Answer Logic:

Young's rule is defined as: Child's dose = [Age / (Age + 12)] x Adult dose.

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Physics QUESTION #365

Question 4289

When a helium atom loses an electron

it becomes:✔️
An alpha particle
Proton
A positive helium ion

Correct Answer Logic:

2

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Tourism & Hospitality Management QUESTION #1601

Question 4290

The Cultural Tourism course identifies 'globalization' as both an opportunity and a challenge. In the context of Pakistan's cultural tourism, globalization primarily threatens which aspect?

The financial revenue generated by cultural tourism
The authenticity and continuity of endangered local cultures and traditions✔️
The number of international tourist arrivals
The government's ability to build new museums

Correct Answer Logic:

Module 4 of the Cultural Tourism course lists Globalization under 'Cultural Tourism Issues & Challenges' alongside Terrorism, Poverty, and Preservation — recognizing that globalization can homogenize cultures, erode local traditions, and threaten the authenticity of tangible and intangible cultural heritage that forms Pakistan's cultural tourism base.

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Others section QUESTION #4751

Question 4291

WAFA is the official news agency of which entity?

Syria
Jordan
Egypt
Palestine✔️

Correct Answer Logic:

WAFA (Wakalat Anba'a Falastiniyya) is the official Palestinian news agency, established in 1972 and operating under the Palestinian Authority.

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Urdu QUESTION #5081

Question 4292

کلام میں شاعر جب مناسبت والے الفاظ استعمال کرے تو کون سی صنعت کہلائے گی؟

صنعتِ لف و نشر✔️
مرأۃ النظیر
صنعتِ ترصیع
ان میں سے کوئی نہیں

Correct Answer Logic:

جب شاعر ایک ہی نوع کے الفاظ استعمال کرے تو صنعتِ لف و نشر کہلاتی ہے۔

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3088

Question 4293

The 'True Ribs' are those that:

Are not attached to the sternum
Are attached directly to the sternum via cartilage✔️
Are attached to the vertebrae only
Are made of pure muscle

Correct Answer Logic:

The first 7 pairs of ribs are 'true' because they connect directly to the sternum.

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Physics QUESTION #4400

Question 4294

A phase difference of $90°$ is equal to:

$\pi$ radians
$\dfrac{\pi}{2}$ radians✔️
$\pi n$ radians
$\dfrac{\pi}{4}$ radians

Correct Answer Logic:

Converting degrees to radians: $\theta_{rad} = \theta_{deg} \times \dfrac{\pi}{180}$. So $90° = 90 \times \dfrac{\pi}{180} = \dfrac{\pi}{2}$ radians.

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Professional QUESTION #1820

Question 4295

Which of the following categories of persons is expressly EXCLUDED from the definition of 'civil servant' under Section 2(b) of the Civil Servants Act 1973?

A member of an All-Pakistan Service
A person holding a civil post connected with defence
A person employed on contract or on work-charged basis✔️
A person holding a permanent post in a civil service of the Federation

Correct Answer Logic:

Section 2(b) provides that a civil servant does not include: (i) a person on deputation from a Province; (ii) a person employed on contract, work-charged basis, or paid from contingencies; or (iii) a worker/workman under the Factories Act 1934 or Workman's Compensation Act 1923. Contract and work-charged employees are explicitly excluded.

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Biology QUESTION #550

Question 4296

Chlorophylls absorb mainly __________ wave length.

Yellow
Green
Violet-blue✔️
Indigo

Correct Answer Logic:

Chlorophyll absorbs violet-blue and red light

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Pakistan Affairs QUESTION #147

Question 4297

What argument did Sir Syed Ahmad Khan make in his seven-volume Commentary on the Quran?

The Quran contains allegorical interpretations of divine laws
The Quran is the word of God, and nature is the work of God✔️
The Quran promotes the separation of religion and science
None of these

Correct Answer Logic:

He argued that there can be no contradiction between the Word of God (Quran) and the Work of God (Nature).

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Mathematics QUESTION #1270

Question 4298

For $f(Z)=\dfrac{1}{Z}$, writing $Z=re^{i\theta}$, the function satisfies the polar C-R equations because:

It is not analytic anywhere
It is analytic everywhere except $Z=0$✔️
It is analytic everywhere
It is analytic only on the real axis

Correct Answer Logic:

$f(Z)=\dfrac{1}{Z}=\dfrac{1}{r}e^{-i\theta}=\dfrac{1}{r}(\cos\theta-i\sin\theta)$. So $u=\dfrac{\cos\theta}{r}$, $v=-\dfrac{\sin\theta}{r}$. The polar C-R equations are satisfied for all $r\neq0$, confirming $f$ is analytic everywhere except at the singularity $Z=0$.

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Tourism & Hospitality Management QUESTION #1639

Question 4299

The Restaurant Management course covers 'SERVQUAL' as an assessment tool. In the restaurant context, SERVQUAL measures service quality across which five dimensions?

Speed, Efficiency, Reliability, Value, and Quality
Tangibles, Reliability, Responsiveness, Assurance, and Empathy✔️
Menu variety, Pricing, Ambiance, Staff appearance, and Cleanliness
Hygiene, Taste, Presentation, Portioning, and Temperature

Correct Answer Logic:

SERVQUAL — covered in Module 3 of the Restaurant Management course under 'Services technicalities' — is the standard service quality measurement instrument assessing five dimensions: Tangibles (physical facilities and staff appearance), Reliability (consistent service delivery), Responsiveness (willingness to help), Assurance (knowledge and courtesy), and Empathy (individualized customer care).

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Architecture QUESTION #2344

Question 4300

For a steel compression member using AISC LRFD, the design compressive strength with $\phi_c = 0.90$ for the inelastic buckling range where $\lambda_c \leq 1.5$ uses:

$F_{cr} = \left(\dfrac{0.877}{\lambda_c^2}\right) F_y$
$F_{cr} = \left(0.658^{\lambda_c^2}\right) F_y$✔️
$F_{cr} = \dfrac{\pi^2 E}{(KL/r)^2}$
$F_{cr} = F_y (1 - 0.25\lambda_c^2)$

Correct Answer Logic:

Per AISC LRFD: For $\lambda_c \leq 1.5$ (inelastic): $F_{cr} = (0.658^{\lambda_c^2}) F_y$. For $\lambda_c > 1.5$ (elastic): $F_{cr} = (0.877/\lambda_c^2) F_y$. The slenderness parameter $\lambda_c = \dfrac{KL}{r\pi}\sqrt{\dfrac{F_y}{E}}$. The design strength is $\phi_c P_n = 0.90 F_{cr} A_g$.

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