Reading Mode - Questions

Boilers Mechanical Engineering QUESTION #2504

The octahedral shear stress theory (von Mises criterion) for yielding states that yielding begins when:

$\sigma_{vm} = \sqrt{\sigma_1^2 + \sigma_2^2 + \sigma_3^2} \geq S_y$
$\sigma_{vm} = \sigma_1 - \sigma_3 \geq S_y$
$\sigma_{vm} = \frac{1}{\sqrt{2}}\sqrt{(\sigma_1-\sigma_2)^2+(\sigma_2-\sigma_3)^2+(\sigma_3-\sigma_1)^2} \geq S_y$✔️
$\sigma_{vm} = \frac{\sigma_1+\sigma_2+\sigma_3}{3} \geq S_y$

Correct Answer Logic:

The von Mises (distortion energy) criterion: $\sigma_{vm}=\frac{1}{\sqrt{2}}\sqrt{(\sigma_1-\sigma_2)^2+(\sigma_2-\sigma_3)^2+(\sigma_3-\sigma_1)^2}\geq S_y$.

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Ability / HR / Governance / Special Education QUESTION #1906

Question 11242

On which exact date did the Rules of Business 1973 come into force?

23rd March 1973
14th August 1973✔️
1st July 1973
25th December 1973

Correct Answer Logic:

Rule 1(2) specifically states that the Rules of Business 1973 shall come into force on the fourteenth day of August 1973.

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Education QUESTION #10869

Question 11243

The level of school administration can best be judged through:

Head teacher-teacher relations
Beautiful building
Learning outcomes✔️
Teacher-student relations

Correct Answer Logic:

The true measure of school administration quality is learning outcomes — the actual academic achievement, skills, and development of students. While relationships, facilities, and discipline are important, they are means to an end. Good administration translates into students who learn effectively, achieve academically, and develop holistically. All administrative efforts ultimately exist to improve what students know, can do, and become.

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Civil Engineering QUESTION #6591

Question 11244

The flexibility matrix method of structural analysis primarily computes first:

Nodal displacements
Support reactions
Member forces✔️
Member strains

Correct Answer Logic:

The flexibility (force) method selects redundant forces as unknowns, sets up compatibility equations, and solves for member forces (redundants) first. Displacements and reactions are derived subsequently.

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MBBS QUESTION #10167

Question 11245

A patient develops communicating (non-obstructive) hydrocephalus following subarachnoid hemorrhage. This most often results from impaired CSF reabsorption at which site?

Arachnoid granulations✔️
Foramen of Luschka
Cerebral aqueduct
Foramen of Monro

Correct Answer Logic:

Blood products from subarachnoid hemorrhage can obstruct or fibrose the arachnoid granulations, impairing CSF reabsorption into the venous sinuses and producing communicating hydrocephalus, in contrast to obstructive hydrocephalus caused by blockage within the ventricular system itself.

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Physics QUESTION #7840

Question 11246

Induced emf in 1m copper rod moving at 20 m/s perpendicular to 0.6 T field:

12 V✔️
19.4 V
20.6 V
25 V

Correct Answer Logic:

ε = Bℓv = 0.6 × 1 × 20 = 12 V.

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3037

Question 11247

'Autoclaving' uses which type of heat for sterilization?

Dry heat
Moist heat (Steam under pressure)✔️
Radiant heat
Chemical heat

Correct Answer Logic:

Autoclaving is the most effective method of moist heat sterilization.

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Academic/Professional (Social Sciences) QUESTION #10114

Question 11248

Symbolic Interactionism holds that meaning arises primarily through:

Fixed biological drives
Social interaction and interpretation of symbols✔️
State legislation
Economic structures alone

Correct Answer Logic:

Symbolic Interactionism emphasizes that meaning is constructed through interaction and symbol interpretation.

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Tourism & Hospitality Management QUESTION #1602

Question 11249

In the Hospitality Operations course, 'yield management' as applied to hotel rooms refers to which management practice?

The process of growing food yields for hotel restaurants
A revenue optimization strategy that adjusts room rates and availability based on forecasted demand, booking patterns, and market conditions✔️
The annual financial audit of hotel rooms revenue
The housekeeping schedule for turning over rooms efficiently

Correct Answer Logic:

Yield management is covered in the Hospitality Operations course (Module 5: Rooms Operations) as a revenue optimization technique that strategically controls room pricing, availability, and overbooking thresholds based on demand forecasts — maximizing revenue per available room (RevPAR) across different booking periods.

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General Knowledge QUESTION #11561

Question 11250

What is the minimum column width setting supported in MS Word?

0 inches
0.5 inches✔️
1 inch
1.5 inches

Correct Answer Logic:

The minimum column width in MS Word is 0.5 inches. Word will not allow a column width below this value when adjusting table columns or document columns. This minimum ensures column content remains readable and the document layout remains valid.

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Mathematics QUESTION #4149

Question 11251

For $y'' + y = \sec(x)$, using variation of parameters, what is $u_1'$ where $y_p = u_1\cos(x) + u_2\sin(x)$?

$-\sin(x)\sec(x)$
$-\sin(x)\sec(x) = -\tan(x)$✔️
$\cos(x)\sec(x) = 1$
$\tan(x)$

Correct Answer Logic:

$u_1' = -\frac{y_2 f(x)}{W} = -\frac{\sin(x) \sec(x)}{1} = -\tan(x)$.

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Tourism & Hospitality Management QUESTION #1650

Question 11252

The Emerging Trends course addresses 'the future of online tourism and hospitality' in Module 7. Which specific digital trends are identified as shaping the future of online travel?

Only the growth of hotel booking websites
Mobile technology, Semantic Web, Customization, Media vs. Transaction Models, Differentiation Beyond Price, Social Media, and Metasearch (Travel Search Engines)✔️
The replacement of all travel agents with artificial intelligence by 2025
Government regulation of online travel platforms

Correct Answer Logic:

Module 7 of the Emerging Trends course — 'What's Next for Online Tourism and Hospitality' — specifically identifies: Mobile technology, Semantic Web, Customization, Media Versus Transaction Models, Differentiation Beyond Price, Travel Company Media Offerings/Monetizing Downstream Traffic, Social Media, and Metasearch (Travel Search Engines) as the key digital forces reshaping online tourism.

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Biology Zoology Botany QUESTION #10837

Question 11253

The hearing sensitivity range of the avian (bird) ear is approximately:

100–15,000 Hz
1,000–15,000 Hz✔️
500–20,000 Hz
100–10,000 Hz

Correct Answer Logic:

Birds can hear sounds in the range of approximately 1,000–15,000 Hz, with peak sensitivity around 1,000–4,000 Hz. This is narrower than human hearing (20–20,000 Hz) but sufficient for song recognition and communication. Some owls have exceptional hearing with asymmetrically placed ears for precise 3D sound location. Echolocating bats hear ultrasound up to 200,000 Hz, far beyond avian and human ranges.

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Physics QUESTION #7222

Question 11254

Using mass ($M$), length ($L$), time ($T$), and electric current ($A$) as fundamental quantities, the dimensions of magnetic permeability are:

$[M^1L^1T^{-2}A^{-2}]$
$[ML^{-2}T^{-2}A^{-1}]$
$[MLT^{-2}A^{-2}]$✔️
$[MLT^{-1}A^{-1}]$

Correct Answer Logic:

Magnetic permeability $\mu_0$ appears in: $F = \dfrac{\mu_0}{4\pi}\dfrac{I_1 I_2 l}{r}$

$[\mu_0] = \dfrac{[F][r]}{[I]^2[l]} = \dfrac{MLT^{-2} \cdot L}{A^2 \cdot L} = MLT^{-2}A^{-2}$

Alternatively, from $B = \mu_0 H$: $[H] = AL^{-1}$, $[B] = MT^{-2}A^{-1}$, so $[\mu_0] = \frac{[B]}{[H]} = \frac{MT^{-2}A^{-1}}{AL^{-1}} = MLT^{-2}A^{-2}$

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Administration QUESTION #2923

Question 11255

When an administrator transfers specific tasks and decision-making power to subordinates, it is known as:

Centralization
Delegation✔️
Regulation
Bureaucratization

Correct Answer Logic:

Delegation allows managers to distribute the workload and empower lower-level employees to handle specific responsibilities.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3521

Question 11256

'Anaphylaxis' is:

A mild skin rash
A severe, potentially life-threatening systemic allergic reaction✔️
A type of plant
A medicine

Correct Answer Logic:

Anaphylactic shock requires immediate medical attention (usually Epinephrine).

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General Knowledge QUESTION #8723

Question 11257

Which country has the highest average life expectancy for males?

Japan✔️
Germany
Iceland
None above

Correct Answer Logic:

Japan consistently has the highest life expectancy.

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Islamic Studies QUESTION #8239

Question 11258

What were the maximum number of Huffaz-e-Quran martyred in the:

Jang-e-Khandaq
Jang-e-Uhad
Jang-e-Yamama✔️
Other than these three

Correct Answer Logic:

The maximum number of Huffaz (memorizers of the Quran) were martyred in the Battle of Yamama in 632 CE (11 AH) during the caliphate of Hazrat Abu Bakr (RA). Approximately 70 Huffaz were killed in this battle against the false prophet Musaylimah. This tragic loss prompted Hazrat Umar (RA) to suggest to Abu Bakr (RA) the compilation of the Quran in written form to preserve it, leading to the first official compilation.

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Law QUESTION #5658

Question 11259

Before trial the issues to be adjudicated upon must be clearly identified and articulated. Where an issue is contested it:

has to be adjudicated upon in the light of admissible evidence✔️
has to be deferred till the final determination of the case
has to be clubbed with other relevant issues
has to be dropped

Correct Answer Logic:

A contested issue must be adjudicated upon in the light of admissible evidence. Contested issues are resolved through evidence presented at trial — they are neither deferred nor dropped.

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Islamic Studies QUESTION #8202

Question 11260

How many Surahs does the Holy Quran comprise of?

114 Surahs✔️
115 Surahs
116 Surahs
117 Surahs

Correct Answer Logic:

The Holy Quran contains 114 Surahs (chapters). These Surahs vary in length from 3 verses (Surah Al-Kawthar) to 286 verses (Surah Al-Baqarah). The Quran is divided into 30 Juz (parts) for easy recitation during Ramadan. 86 Surahs were revealed in Makkah (Makki) and 28 in Medina (Madani). Each Surah has a distinct name and covers various aspects of faith, law, and guidance.

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