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Boilers Mechanical Engineering QUESTION #2422
Question 6561
The thermal resistance for convection at a surface with heat transfer coefficient \(h\) and surface area \(A\) is:
  • \(R_{th,conv} = h \cdot A\)
  • \(R_{th,conv} = h/(kA)\)
  • \(R_{th,conv} = 1/(hA)\)โœ”๏ธ
  • \(R_{th,conv} = A/h\)
Correct Answer Logic:
Convective thermal resistance: \(R_{th,conv}=1/(hA)\) (K/W). This follows from \(q=hA(T_s-T_\infty)=\Delta T/R_{th,conv}\).
Uploaded by: Fani Warraich
Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3167
Question 6562
The process of 'Mitosis' results in:
  • Two identical daughter cellsโœ”๏ธ
  • Four different daughter cells
  • One large cell
  • No cells
Correct Answer Logic:
Mitosis is for growth and repair, producing exact genetic copies.
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Home Economics QUESTION #6247
Question 6563
A 'Flashcard' is an example of which type of extension aid?
  • Audio aid
  • Visual aidโœ”๏ธ
  • Audio-visual aid
  • Electronic aid
Correct Answer Logic:
Visual aids rely on sight to convey information or reinforce a message.
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Boilers Mechanical Engineering QUESTION #4072
Question 6564
'Purging' the furnace before ignition is done to:
  • Clean the dust
  • Remove any unburnt fuel/gases to prevent an explosion (mishap)โœ”๏ธ
  • Heat the furnace
  • Cool the burner
Correct Answer Logic:
A high-volume air purge is the first step in any safe burner start-up sequence.
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Correct Answer Logic:
Infinitive "to forge" indicates purpose: reprogrammed in order to forge a tool.
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Correct Answer Logic:
Rule 13 second proviso states that for Pakistan Missions abroad, relaxation of citizenship requirement shall not be accorded for a period exceeding one year at a time.
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Accounting & Finance QUESTION #6104
Question 6567

Motor vehicles costing $530,000 were depreciated at 10% straight-line instead of the correct 25%. After incorrect entries: Motor vehicles at cost $530,000; Provision for depreciation $53,000. Which journal entries will correct the error?

  • Debit: Provision for depreciation $79,500 | Credit: Statement of profit or loss $79,500
  • Debit: Provision for depreciation $132,500 | Credit: Statement of profit or loss $132,500
  • Debit: Statement of profit or loss $79,500 | Credit: Provision for depreciation $79,500โœ”๏ธ
  • Debit: Statement of profit or loss $132,500 | Credit: Provision for depreciation $132,500
Correct Answer Logic:

Option C is correct.

Correct depreciation = $530,000 × 25% = $132,500

Already charged = $530,000 × 10% = $53,000

Additional needed = $132,500 − $53,000 = $79,500

Entry: Debit Statement of profit or loss $79,500 | Credit Provision for depreciation $79,500

Uploaded by: Fani Warraich
Paper-I (Pharmaceutics II (Industrial and Quality Control) and Pharmaceutics III (Hospital and Community Pharmacy)) QUESTION #5715
Question 6568
A mixture that contains $0.5\% \text{ w/v}$ of a drug. How many milligrams are in $5 \text{ mL}$?
  • $2.5 \text{ mg}$
  • $25 \text{ mg}$โœ”๏ธ
  • $50 \text{ mg}$
  • $0.25 \text{ mg}$
Correct Answer Logic:
Calculation: $0.5\text{ g}$ in $100\text{ mL} \Rightarrow 500\text{ mg} / 100\text{ mL} = 5\text{ mg/mL}$. So, $5\text{ mL} \times 5\text{ mg/mL} = 25\text{ mg}$.
Uploaded by: Fani Warraich
Library Sciences QUESTION #1559
Question 6569
The principle of 'hospitality' in classification refers to:
  • The welcoming attitude of library staff toward users
  • The capacity of a classification system to accommodate new subjects without disrupting the existing notationโœ”๏ธ
  • The practice of providing comfortable reading spaces
  • The cooperation between libraries in sharing resources
Correct Answer Logic:
Hospitality in classification theory means a system's ability to insert new subjects, disciplines, or topics into the existing structure without requiring fundamental reorganization. DDC and UDC are considered more hospitable than older enumerative systems because of their faceted and hierarchical structure.
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Contracts QUESTION #5840
Question 6570
A Seller agrees to sell a custom machine to a Buyer for $450$. Later, they orally agree to add a cooling unit, raising the total price to $550$. Is the oral modification enforceable?
  • Yes, because the original contract was under $500$.
  • Yes, because modifications never require a writing under the UCC.
  • No, because the contract as modified falls within the Statute of Frauds.โœ”๏ธ
  • No, because custom goods always require a signed writing.
Correct Answer Logic:
UCC ยง2-209(3) requires a writing if the contract as modified falls within the Statute of Frauds ($500$ or more).
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General Knowledge QUESTION #8681
Question 6571
What does 'chauvinism' mean?
  • Strong belief that your country or gender is superiorโœ”๏ธ
  • Male dominance in society
  • Politics of non-issues
  • None of above
Correct Answer Logic:
Chauvinism means excessive or prejudiced loyalty to a group.
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Pakistan Affairs QUESTION #9110
Question 6572
The Sir Creek channel is a disputed area between Pakistan and India. Where is it located?
  • Punjab & Indian Punjab
  • Punjab & Himachal Pradesh
  • Sindh & Indian Gujaratโœ”๏ธ
  • None of above
Correct Answer Logic:
Sir Creek is in the Rann of Kutch between Sindh and Gujarat.
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Electrical Engineering QUESTION #2161
Question 6573
Using Norton's theorem, a circuit has $I_N = 4\,\text{A}$ and $R_N = 6\,\Omega$. The maximum power deliverable to a load is:
  • $24\,\text{W}$โœ”๏ธ
  • $48\,\text{W}$
  • $12\,\text{W}$
  • $96\,\text{W}$
Correct Answer Logic:
Maximum power transfer requires $R_L = R_N = 6\,\Omega$. Thevenin voltage $V_{th} = I_N R_N = 24\,\text{V}$. $P_{max} = \frac{V_{th}^2}{4R_N} = \frac{576}{24} = 24\,\text{W}$.
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Islamic Studies QUESTION #8211
Question 6574
Qazaf Means:
  • False accusation of adulteryโœ”๏ธ
  • False accusation of robbery
  • False accusation of rape
  • False accusation of murder
Correct Answer Logic:
Qazaf is the Islamic legal term for falsely accusing a chaste person of adultery or fornication. It is a serious crime in Islamic law (Hudud). The punishment for Qazaf is 80 lashes (as prescribed in Surah An-Nur 24:4) and the rejection of the accuser's testimony unless they bring four witnesses. This strict requirement protects people's honor and reputation. The only exception is Li'an, where a husband can accuse his wife under specific procedures with serious consequences.
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Islamic Studies QUESTION #8228
Question 6575
What is the duty of the Angel Mekail?
  • In-charge of the protection and also to bring rainsโœ”๏ธ
  • To blow the trumpet on the Day of judgment
  • In charge of taking the life of living creatures
  • None of these
Correct Answer Logic:
Hazrat Mikail (Michael) AS is the angel in charge of rain, sustenance, and natural phenomena. He manages the distribution of provisions to all living creatures and controls weather patterns. Along with Jibreel (Gabriel), Mikail is one of the highest-ranking angels mentioned in the Quran (2:98). While Jibreel brings revelation, Mikail manages the natural order that sustains life on Earth.
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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3350
Question 6576
'Diatoms' are a type of:
  • Fungi
  • Algae with silica cell wallsโœ”๏ธ
  • Virus
  • Protozoa
Correct Answer Logic:
Their remains (diatomaceous earth) are used in filters.
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Math Physics Chemistry Biology QUESTION #4270
Question 6577
Best description of the process of crossing over during meiosis:
  • Duplication of chromosome
  • Exchange of genes between non-sister chromatidsโœ”๏ธ
  • Movement of chromosome to opposite poles
  • Separation of sister chromatids
Correct Answer Logic:
Crossing over occurs during prophase I of meiosis when non-sister chromatids of homologous chromosomes exchange segments, increasing genetic diversity.
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Islamic Studies QUESTION #227
Question 6578
Ghazwa Khandaq is also called:
  • Yum Al-Furqan
  • Ghazwa Zaat-ul-Salsil
  • Ghazwa al-Ahzabโœ”๏ธ
  • None of these
Correct Answer Logic:
It is known as the Battle of the Trench or the Battle of the Confederates (Al-Ahzab).
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Correct Answer Logic:
Rule 25(3) prescribes that the Secretary of each Division shall inform the Cabinet Secretary within ninety days at the end of the financial year about availability of the Year Book.
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Islamic Studies QUESTION #231
Question 6580
Hudaybiyyah peace document was written from the Muslims' side by:
  • Abu Bakar Siddiq
  • Zaid bin Thabit
  • Ali bin Abi Talibโœ”๏ธ
  • None of these
Correct Answer Logic:
Hazrat Ali (RA) served as the scribe for the Treaty of Hudaybiyyah.
Uploaded by: Fani Warraich