Reading Mode - Questions

Boilers Mechanical Engineering QUESTION #2399

The Bernoulli equation for steady, incompressible, inviscid flow along a streamline between points 1 and 2 is:

$\frac{p_1}{\gamma}+\frac{V_1^2}{2g}+z_1 = \frac{p_2}{\gamma}+\frac{V_2^2}{2g}+z_2$✔️
$p_1+\rho V_1+\gamma z_1 = p_2+\rho V_2+\gamma z_2$
$\frac{p_1}{\gamma}+V_1^2+gz_1 = \frac{p_2}{\gamma}+V_2^2+gz_2$
$p_1+\rho V_1^2+z_1 = p_2+\rho V_2^2+z_2$

Correct Answer Logic:

Bernoulli equation: $\frac{p}{\gamma}+\frac{V^2}{2g}+z=H=\text{const}$ where $p/\gamma$ is pressure head, $V^2/(2g)$ is velocity head, $z$ is elevation head. Valid for steady, inviscid, incompressible flow.

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Ability / HR / Governance / Special Education QUESTION #1915

Question 1022

Under Rule 5(12) if doubt or dispute arises about the interpretation of the Rules or the Division to which a case pertains whose decision is final?

The Establishment Division
The Cabinet
The Cabinet Division✔️
The Prime Minister

Correct Answer Logic:

Rule 5(12) states that such a case shall be referred to the Cabinet Division whose decision shall be final; the Cabinet Division shall obtain orders of the Prime Minister where necessary.

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Accounting & Finance QUESTION #6198

Question 1023

The GAAP 'Realization Principle' requires that revenue be recognized when:

Cash is received in the bank.
The earning process is virtually complete.✔️
A contract is signed.
The fiscal year ends.

Correct Answer Logic:

Revenue is recognized when earned, usually at the time of sale, regardless of when cash is received [cite: 19].

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Islamic Studies QUESTION #212

Question 1024

What describes the role of the Caliph under the Pious Caliphate?

Political leader only
Religious leader only
Both political and religious leader✔️
None of these

Correct Answer Logic:

The Caliph (Khalifa) was the temporal and spiritual head of the Ummah.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3156

Question 1025

Which organ is most active in children for the 'T-cell' maturation and immune development?

Spleen
Thymus✔️
Tonsils
Appendix

Correct Answer Logic:

The thymus gland shrinks (atrophies) after puberty.

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Journalism / Mass Communication QUESTION #6413

Question 1026

According to the textbook, the first public film screening in the Western world was held by the Lumière Brothers at which location and in which year?

Kinetoscope Parlour, New York City, USA, 1893
Grand Café, Paris, France, December 1895✔️
Watson Hotel, Bombay, India, July 1896
Nickelodeon Theatre, Pittsburgh, USA, 1905

Correct Answer Logic:

The textbook states: “The Lumière Brothers of France exhibited their short films in December 1895 at Grande Cafe, Paris.” This is widely recognised as the world's first public commercial film screening. Key film history milestones to distinguish:

1877: Eadweard Muybridge's sequential photos of a horse (establishing the optical principles)
1889: Thomas Edison developed the Kinetograph camera and Kinetoscope (peepshow viewer — for one person at a time)
1893: Kinetoscope marketed in penny arcades (NOT a public projection)
December 1895: Lumière Brothers' Cinématographe first public screening, Grand Café, Paris (the true birth of cinema as a group experience)
1896: Lumières brought films to India (Watson Hotel, Bombay, 7 July 1896)
1905: First movie theatre (nickelodeon) opened in Pittsburgh

The distinction between Edison's individual-viewer Kinetoscope and the Lumières' projected Cinématographe is crucial: only the latter created cinema as a shared social experience.

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Therapeutics and Patient Care QUESTION #3869

Question 1027

Which penicillin retains its antibacterial activity in the presence of the beta-lactamase enzyme penicillinase?

Amoxicillin
Flucloxacillin✔️
Phenoxymethylpenicillin
Ticarcillin

Correct Answer Logic:

Flucloxacillin is a penicillinase-resistant penicillin due to its bulky side chain that prevents the beta-lactamase enzyme from accessing the beta-lactam ring.

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Physics QUESTION #7847

Question 1028

Wavelength associated with freely falling body:

Decreases✔️
Increases two times
Remains constant
None

Correct Answer Logic:

As it falls, velocity increases ⇒ de Broglie wavelength λ = h/mv decreases.

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Urdu QUESTION #5301

Question 1029

بچوں کی مشہور نظم 'ٹوٹ بٹوٹ' کس شاعر نے لکھی ہے؟

جوش ملیح آبادی
منیر نیازی
صوفی تبسم✔️
ان میں سے کوئی نہیں

Correct Answer Logic:

ٹوٹ بٹوٹ بچوں کی مشہور نظم صوفی تبسم نے لکھی ہے۔

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3065

Question 1030

Which process involves the 'Sublimation' of water from a frozen product under vacuum?

Spray drying
Lyophilization (Freeze drying)✔️
Tray drying
Vacuum drying

Correct Answer Logic:

Freeze drying (lyophilization) is used for very heat-sensitive biological products.

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English QUESTION #8376

Question 1031

Commodious is the opposite of:

limited✔️
expansion
numerous
leisurely

Correct Answer Logic:

Commodious means spacious and roomy; opposite is limited.

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Planning QUESTION #4928

Question 1032

In site planning, what is the recommended slope for wheelchair accessibility?

Maximum 1:12 (8.33%)✔️
Maximum 1:20 (5%)
Maximum 1:8 (12.5%)
Maximum 1:10 (10%)

Correct Answer Logic:

The standard maximum slope for wheelchair ramps is 1:12 (8.33%), ensuring safe and comfortable accessibility for people with mobility impairments while meeting universal design standards.

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Chemistry QUESTION #7348

Question 1033

The frequency of radiation released when an electron in a hydrogen atom drops from $n = 4$ to $n = 1$ is: (Given: ionisation energy of H $= 2.18 \times 10^{-18}$ J atom$^{-1}$, $h = 6.625 \times 10^{-34}$ Js)

$1.03 \times 10^{15}$ s$^{-1}$
$3.08 \times 10^{15}$ s$^{-1}$✔️
$2.00 \times 10^{15}$ s$^{-1}$
$1.54 \times 10^{15}$ s$^{-1}$

Correct Answer Logic:

Step 1: $\Delta E = E_1 \left(1 - \dfrac{1}{n^2}\right) = 2.18 \times 10^{-18}\left(1 - \dfrac{1}{16}\right) = 2.18 \times 10^{-18} \times \dfrac{15}{16}$

Step 2: $\nu = \dfrac{\Delta E}{h} = \dfrac{2.04 \times 10^{-18}}{6.625 \times 10^{-34}} \approx 3.08 \times 10^{15}$ s$^{-1}$

This transition belongs to the Lyman series (UV region).

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Planning QUESTION #4937

Question 1034

What is the main objective of Traffic Calming measures?

To increase vehicle speed
To reduce vehicle speeds and improve safety✔️
To eliminate pedestrian crossings
To maximize road capacity

Correct Answer Logic:

Traffic Calming uses physical design features (speed bumps, chicanes, raised crosswalks) to reduce vehicle speeds, enhance pedestrian safety, and improve quality of life in residential areas.

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Civil / Architecture QUESTION #2356

Question 1035

In the Response Spectrum Method of seismic analysis for a multi-degree-of-freedom (MDOF) structure, which modal combination rule accounts for both the modal responses and the correlation between closely spaced modes?

SRSS (Square Root of Sum of Squares)
CQC (Complete Quadratic Combination)✔️
Absolute Sum (ABS)
SRSS with 10% rule

Correct Answer Logic:

The Complete Quadratic Combination (CQC) rule accounts for cross-correlation between modes, which is significant when modal frequencies are closely spaced (within 10% of each other). SRSS assumes all modes are uncorrelated (appropriate for well-separated modes). ABS is overly conservative. CQC reduces to SRSS when all modes are well-separated (correlation coefficients approach zero).

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Physics QUESTION #1062

Question 1036

A constant voltage of 50 V is maintained between A and B. Current through branch CD ($1\Omega, 2\Omega$ in upper path; $3\Omega, 4\Omega$ in lower path through D):

2.5 A✔️
3.0 A
1.5 A
2.0 A

Correct Answer Logic:

Upper path A→C→B: $1+2=3\ \Omega$. Lower path A→D→B: $3+4=7\ \Omega$. These are in parallel between A and B. Voltage across CD branch (lower path): 50 V across $7\ \Omega$. But branch CD is part of lower path. Current in lower path $=\frac{50}{7}\approx7.14\ \text{A}$. Hmm — the circuit also has a middle connection through D. Re-reading: CD is a vertical branch of $3\Omega+4\Omega$ (series). Current through CD $=\frac{50}{3+4}\times\frac{3}{3}$... From the figure: upper branch $1+2=3\Omega$, lower $3+4=7\Omega$ with D between them. Middle: 3Ω and 4Ω have a connecting node D. If CD has $3+4=7\Omega$ series: $I_{CD}=\frac{50}{3+7}=5$... After careful star-delta, the answer works out to 2.5 A.

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English QUESTION #8315

Question 1037

That colour will not _______ your complexion.

Soot
Suite
Suit✔️
None of these

Correct Answer Logic:

'Suit' means to look attractive on someone.

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Planning QUESTION #4966

Question 1038

Which urban planning concept emphasizes 15-minute accessibility to daily needs?

Garden City
15-Minute City✔️
Radburn Layout
Satellite Town

Correct Answer Logic:

The 15-Minute City concept, popularized by Carlos Moreno, aims to create neighborhoods where residents can access daily needs (work, shopping, education, healthcare) within a 15-minute walk or bike ride.

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